Device List curd

1. 补充技术栈详细说明 2. 完善项目结构说明 3. 细化功能模块说明 4. 添加开发指南 5. 补充分支管理和提交规范

.gitignore

@@ -38,4 +38,7 @@ artifacts/
 *.suo
 *.user
 *.userosscache
-*.sln.docstates 
+*.sln.docstates
+
+# Node modules
+node_modules/ 

CellularManagement.sln

@@ -15,14 +15,13 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "CellularManagement.Applicat
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "CellularManagement.Infrastructure", "src\CellularManagement.Infrastructure\CellularManagement.Infrastructure.csproj", "{6CF192C7-060B-4328-B9F4-B05BD7401232}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "CellularManagement.WebSocket", "src\CellularManagement.WebSocket\CellularManagement.WebSocket.csproj", "{155D6C93-9A46-45CD-B21F-0F60719515D0}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
 		Release|Any CPU = Release|Any CPU
 	EndGlobalSection
-	GlobalSection(SolutionProperties) = preSolution
-		HideSolutionNode = FALSE
-	EndGlobalSection
 	GlobalSection(ProjectConfigurationPlatforms) = postSolution
 		{0E228A93-4B80-450E-BDBB-BAF576E6FC73}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{0E228A93-4B80-450E-BDBB-BAF576E6FC73}.Debug|Any CPU.Build.0 = Debug|Any CPU
@@ -44,6 +43,13 @@ Global
 		{6CF192C7-060B-4328-B9F4-B05BD7401232}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{6CF192C7-060B-4328-B9F4-B05BD7401232}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{6CF192C7-060B-4328-B9F4-B05BD7401232}.Release|Any CPU.Build.0 = Release|Any CPU
+		{155D6C93-9A46-45CD-B21F-0F60719515D0}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{155D6C93-9A46-45CD-B21F-0F60719515D0}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{155D6C93-9A46-45CD-B21F-0F60719515D0}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{155D6C93-9A46-45CD-B21F-0F60719515D0}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
 	EndGlobalSection
 	GlobalSection(NestedProjects) = preSolution
 		{0E228A93-4B80-450E-BDBB-BAF576E6FC73} = {C0426B52-8F01-41DE-966C-ADC8DD078638}
@@ -51,5 +57,6 @@ Global
 		{95F5B3F8-8293-43D0-98CF-88A9A224D20E} = {C0426B52-8F01-41DE-966C-ADC8DD078638}
 		{FE169440-2554-4810-97D6-CC44808AAA56} = {C0426B52-8F01-41DE-966C-ADC8DD078638}
 		{6CF192C7-060B-4328-B9F4-B05BD7401232} = {C0426B52-8F01-41DE-966C-ADC8DD078638}
+		{155D6C93-9A46-45CD-B21F-0F60719515D0} = {C0426B52-8F01-41DE-966C-ADC8DD078638}
 	EndGlobalSection
 EndGlobal

README.md

@@ -1,36 +1,189 @@
 # CellularManagement 项目说明
 
 ## 项目概述
-CellularManagement 是一个基于 Clean Architecture 架构的蜂窝网络管理系统。该项目采用领域驱动设计(DDD)原则，实现了高度模块化和可维护的代码结构。
+CellularManagement 是一个基于 Clean Architecture 架构的蜂窝网络管理系统。该项目采用领域驱动设计(DDD)原则，实现了高度模块化和可维护的代码结构。系统提供了完整的用户认证、权限管理、实时通信等功能，适用于大规模分布式部署场景。
 
 ## 技术栈
 - .NET 8.0
+  - 最新的 .NET 运行时和框架特性
+  - 高性能的异步编程模型
+  - 内置的依赖注入容器
 - Entity Framework Core
+  - 支持多种数据库提供程序
+  - 强大的 LINQ 查询功能
+  - 自动迁移和数据库版本控制
 - ASP.NET Core
+  - RESTful API 支持
+  - WebSocket 实时通信
+  - 中间件管道
 - Clean Architecture
+  - 清晰的层次结构
+  - 依赖倒置原则
+  - 领域驱动设计
 - DDD (领域驱动设计)
+  - 领域模型
+  - 聚合根
+  - 值对象
+  - 领域事件
+- WebSocket
+  - 实时双向通信
+  - 连接状态管理
+  - 消息广播
 
 ## 项目结构
 ```
 CellularManagement/
 ├── src/
 │   ├── CellularManagement.Application/     # 应用层
+│   │   ├── Common/                        # 通用组件
+│   │   ├── Features/                      # 功能模块
+│   │   └── Services/                      # 应用服务
 │   ├── CellularManagement.Domain/          # 领域层
+│   │   ├── Entities/                      # 领域实体
+│   │   ├── Events/                        # 领域事件
+│   │   ├── Interfaces/                    # 领域接口
+│   │   └── ValueObjects/                  # 值对象
 │   ├── CellularManagement.Infrastructure/  # 基础设施层
+│   │   ├── Persistence/                   # 数据持久化
+│   │   ├── Services/                      # 基础设施服务
+│   │   └── Identity/                      # 身份认证
 │   └── CellularManagement.WebApi/          # 表现层
+│       ├── Controllers/                   # API 控制器
+│       ├── Middleware/                    # 中间件
+│       └── Filters/                       # 过滤器
 ```
 
 ## 主要功能
-- 用户认证与授权
-- 角色管理
-- 缓存服务
-- JWT令牌管理
-- 密钥轮换服务
+
+### 用户认证与授权
+- JWT 令牌认证
+  - 基于标准的 JWT 规范
+  - 支持令牌刷新机制
+  - 自动令牌过期处理
+- 基于角色的访问控制 (RBAC)
+  - 灵活的角色定义
+  - 角色继承关系
+  - 动态角色分配
+- 细粒度的权限管理
+  - 功能级权限控制
+  - 数据级权限控制
+  - 操作级权限控制
+- 权限代码化存储
+  - 统一的权限标识符
+  - 权限分组管理
+  - 权限描述文档
+- 多角色权限合并
+  - 自动权限去重
+  - 权限优先级处理
+  - 权限冲突解决
+
+### 角色管理
+- 角色创建与编辑
+- 角色权限分配
+- 角色继承关系
+- 角色用户管理
+
+### 缓存服务
+- 分布式缓存支持
+- 多级缓存策略
+- 缓存自动失效
+- 缓存预热机制
+
+### JWT令牌管理
+- 令牌生成与验证
+- 令牌刷新机制
+- 令牌黑名单
+- 安全策略配置
+
+### 密钥轮换服务
+- 自动密钥轮换
+- 密钥版本管理
+- 密钥备份恢复
+- 安全审计日志
+
+### WebSocket实时通信
+- 实时消息推送
+  - 点对点消息
+  - 广播消息
+  - 分组消息
+- 连接管理
+  - 连接状态监控
+  - 自动重连机制
+  - 心跳检测
+- 消息管道处理
+  - 消息过滤
+  - 消息转换
+  - 消息路由
+- 分布式WebSocket管理
+  - 集群支持
+  - 会话共享
+  - 负载均衡
+- 性能监控
+  - 连接数统计
+  - 消息吞吐量
+  - 延迟监控
+
+## 角色管理模块
+
+角色管理模块提供了完整的角色 CRUD 操作，采用 CQRS 模式实现，将命令和查询职责分离。
+
+### 功能特性
+
+- 创建角色
+- 删除角色
+- 获取单个角色
+- 获取所有角色
+
+### API 端点
+
+| 方法   | 端点                | 描述         |
+|--------|-------------------|--------------|
+| POST   | /api/roles/create | 创建新角色    |
+| DELETE | /api/roles/{id}   | 删除角色     |
+| GET    | /api/roles/{id}   | 获取单个角色  |
+| GET    | /api/roles        | 获取所有角色  |
+
+### 代码结构
+
+```
+Features/Roles/
+├── Commands/
+│   ├── CreateRole/
+│   │   ├── CreateRoleCommand.cs
+│   │   ├── CreateRoleCommandHandler.cs
+│   │   └── CreateRoleResponse.cs
+│   ├── DeleteRole/
+│   │   ├── DeleteRoleCommand.cs
+│   │   ├── DeleteRoleCommandHandler.cs
+│   │   └── DeleteRoleResponse.cs
+│   └── RoleCommandHandler.cs
+└── Queries/
+    ├── GetRole/
+    │   ├── GetRoleQuery.cs
+    │   └── GetRoleResponse.cs
+    ├── GetAllRolesQuery.cs
+    └── RoleQueryHandler.cs
+```
+
+### 设计模式
+
+- CQRS（命令查询职责分离）
+- 单一职责原则
+- 依赖注入
+- 异常处理
+- 日志记录
 
 ## 开发环境要求
 - .NET 8.0 SDK
+  - 最新的 .NET 开发工具
+  - 跨平台支持
 - Visual Studio 2022 或 VS Code
+  - 完整的 IDE 支持
+  - 调试工具
+  - 代码分析
 - SQL Server (可选，根据实际需求)
+  - 支持其他数据库
+  - 数据迁移工具
 
 ## 如何运行
 1. 克隆项目
@@ -50,9 +203,56 @@ dotnet run --project src/CellularManagement.WebApi
 
 ## 项目特点
 - 采用 Clean Architecture 架构，实现关注点分离
+  - 清晰的层次结构
+  - 依赖倒置原则
+  - 领域驱动设计
 - 使用 DDD 设计模式，提高代码可维护性
+  - 领域模型
+  - 聚合根
+  - 值对象
 - 模块化设计，便于扩展和维护
+  - 功能模块化
+  - 插件化架构
+  - 配置驱动
 - 完善的依赖注入机制
+  - 自动注册
+  - 生命周期管理
+  - 作用域控制
+- 实时通信支持
+  - WebSocket
+  - 消息队列
+  - 事件总线
+- 分布式架构支持
+  - 服务发现
+  - 负载均衡
+  - 配置中心
+- 性能监控和指标收集
+  - 性能计数器
+  - 健康检查
+  - 日志追踪
+
+## 开发指南
+
+### 代码规范
+- 遵循 C# 编码规范
+- 使用 XML 文档注释
+- 编写单元测试
+- 代码审查流程
+
+### 分支管理
+- master: 主分支，稳定版本
+- develop: 开发分支
+- feature/*: 功能分支
+- hotfix/*: 紧急修复分支
+
+### 提交规范
+- feat: 新功能
+- fix: 修复
+- docs: 文档
+- style: 格式
+- refactor: 重构
+- test: 测试
+- chore: 构建
 
 ## 贡献指南
 1. Fork 项目
@@ -62,4 +262,15 @@ dotnet run --project src/CellularManagement.WebApi
 5. 创建 Pull Request
 
 ## 许可证
-[MIT License](LICENSE) 
+[MIT License](LICENSE)
+
+## 分支说明
+
+### norm 分支
+- 创建时间：2024年
+- 分支目的：规范化代码结构和实现
+- 主要更新：
+  - 代码结构优化
+  - 命名规范统一
+  - 注释完善
+  - 文档更新 

docs/JWT-Implementation-Guide.md

@@ -0,0 +1,211 @@
+# JWT 实现指南
+
+## 1. JwtOptions（配置类）
+
+### 1.1 主要职责
+- 存储和管理 JWT 相关的所有配置项
+- 提供配置验证功能
+- 支持从配置文件加载配置
+
+### 1.2 关键配置项
+```csharp
+public class JwtOptions
+{
+    public string SecretKey { get; set; }        // JWT 密钥
+    public string Issuer { get; set; }           // 颁发者
+    public string Audience { get; set; }         // 受众
+    public int ExpiryMinutes { get; set; }       // 访问令牌过期时间
+    public int RefreshTokenExpiryDays { get; set; } // 刷新令牌过期时间
+    public int ClockSkewMinutes { get; set; }    // 时钟偏差
+    public int KeyRotationDays { get; set; }     // 密钥轮换间隔
+    public int MinKeyLength { get; set; }        // 密钥最小长度
+}
+```
+
+### 1.3 配置验证
+- 验证所有必需字段不为空
+- 验证数值字段的有效性
+- 验证密钥格式和长度
+
+## 2. JwtOptionsExtensions（扩展方法类）
+
+### 2.1 主要职责
+- 提供 JwtOptions 的扩展功能
+- 实现密钥强度验证
+- 提供熵值计算功能
+
+### 2.2 关键方法
+```csharp
+public static class JwtOptionsExtensions
+{
+    // 验证密钥强度
+    public static void ValidateKeyStrength(this JwtOptions options)
+    
+    // 计算字符串熵值
+    private static double CalculateEntropy(string input)
+}
+```
+
+### 2.3 验证标准
+- 密钥不能为空
+- 密钥必须是有效的 Base64 字符串
+- 密钥长度必须满足最小长度要求
+- 密钥熵值必须大于 3.5（确保足够的随机性）
+
+## 3. KeyRotationService（密钥管理服务）
+
+### 3.1 主要职责
+- 管理 JWT 密钥的生命周期
+- 实现密钥自动轮换
+- 提供密钥生成和验证功能
+
+### 3.2 关键功能
+- 密钥初始化
+- 密钥轮换
+- 密钥强度验证
+- 密钥缓存管理
+
+### 3.3 安全特性
+- 定期自动轮换密钥
+- 支持密钥预热
+- 防止密钥泄露
+- 密钥强度保证
+
+## 4. JwtProvider（JWT 令牌提供者）
+
+### 4.1 主要职责
+- 生成 JWT 访问令牌和刷新令牌
+- 验证 JWT 令牌
+- 管理令牌黑名单
+- 提供令牌解析功能
+
+### 4.2 关键方法
+```csharp
+public interface IJwtProvider
+{
+    string GenerateAccessToken(IEnumerable<Claim> claims);
+    string GenerateRefreshToken(IEnumerable<Claim> claims);
+    bool ValidateToken(string token);
+    void RevokeToken(string token);
+    void AddToBlacklist(string token);
+    IEnumerable<Claim> GetClaimsFromToken(string token);
+}
+```
+
+### 4.3 安全特性
+- 令牌撤销机制
+- 令牌黑名单
+- 完整的令牌验证
+- 支持自定义声明
+
+## 5. JwtBearerOptionsSetup（JWT Bearer 认证配置）
+
+### 5.1 主要职责
+- 配置 ASP.NET Core JWT Bearer 认证
+- 设置令牌验证参数
+- 配置认证事件处理
+
+### 5.2 关键配置
+```csharp
+public class JwtBearerOptionsSetup : IConfigureOptions<JwtBearerOptions>
+{
+    public void Configure(JwtBearerOptions options)
+    {
+        // 配置令牌验证参数
+        options.TokenValidationParameters = new TokenValidationParameters
+        {
+            ValidateIssuer = true,
+            ValidIssuer = _jwtOptions.Issuer,
+            ValidateAudience = true,
+            ValidAudience = _jwtOptions.Audience,
+            ValidateLifetime = true,
+            // ... 其他配置
+        };
+    }
+}
+```
+
+### 5.3 安全特性
+- 强制使用 HTTPS
+- 完整的令牌验证
+- 详细的日志记录
+- 异常处理机制
+
+## 安全最佳实践
+
+1. **密钥管理**
+   - 使用足够长的随机密钥
+   - 定期轮换密钥
+   - 使用安全的密钥存储机制
+
+2. **令牌安全**
+   - 设置合理的过期时间
+   - 实现令牌撤销机制
+   - 使用令牌黑名单
+
+3. **传输安全**
+   - 强制使用 HTTPS
+   - 验证令牌签名
+   - 验证令牌来源
+
+4. **配置安全**
+   - 验证所有配置项
+   - 使用强类型配置
+   - 避免硬编码敏感信息
+
+## 使用示例
+
+### 1. 配置 JWT 选项
+```csharp
+services.Configure<JwtOptions>(configuration.GetSection(JwtOptions.SectionName));
+```
+
+### 2. 注册服务
+```csharp
+services.AddScoped<IJwtProvider, JwtProvider>();
+services.AddScoped<IKeyRotationService, KeyRotationService>();
+services.AddSingleton<IConfigureOptions<JwtBearerOptions>, JwtBearerOptionsSetup>();
+```
+
+### 3. 使用 JWT 提供者
+```csharp
+public class AuthController : ControllerBase
+{
+    private readonly IJwtProvider _jwtProvider;
+
+    public AuthController(IJwtProvider jwtProvider)
+    {
+        _jwtProvider = jwtProvider;
+    }
+
+    public IActionResult Login(LoginRequest request)
+    {
+        // 验证用户
+        var claims = GetUserClaims(user);
+        var token = _jwtProvider.GenerateAccessToken(claims);
+        return Ok(new { token });
+    }
+}
+```
+
+## 注意事项
+
+1. **密钥管理**
+   - 不要在代码中硬编码密钥
+   - 使用环境变量或密钥管理服务
+   - 定期轮换密钥
+
+2. **令牌配置**
+   - 设置合理的过期时间
+   - 启用所有安全验证
+   - 使用 HTTPS
+
+3. **错误处理**
+   - 实现完整的错误处理
+   - 记录详细的日志
+   - 返回适当的错误信息
+
+4. **性能考虑**
+   - 使用缓存机制
+   - 优化令牌验证
+   - 控制令牌大小 

docs/JWT-Service-Registration-Guide.md

@@ -0,0 +1,217 @@
+# JWT 服务注册指南
+
+## 服务注册概览
+
+JWT 相关的服务注册主要分布在两个位置：
+1. `Program.cs` - Web API 层的服务注册
+2. `DependencyInjection.cs` - 基础设施层的服务注册
+
+## 1. 基础设施层注册 (DependencyInjection.cs)
+
+### 1.1 JWT 配置注册
+```csharp
+// 配置 JWT 选项
+services.Configure<JwtOptions>(configuration.GetSection(JwtOptions.SectionName));
+services.AddSingleton<IConfigureOptions<JwtBearerOptions>, JwtBearerOptionsSetup>();
+services.AddScoped<IJwtProvider, JwtProvider>();
+```
+
+说明：
+- `Configure<JwtOptions>`: 从配置文件加载 JWT 配置
+- `JwtBearerOptionsSetup`: 配置 JWT Bearer 认证选项
+- `JwtProvider`: 实现 JWT 令牌的生成和验证
+
+### 1.2 密钥管理服务注册
+```csharp
+// 注册密钥轮换服务
+services.AddSingleton<IKeyRotationService, KeyRotationService>();
+services.AddHostedService<KeyRotationBackgroundService>();
+```
+
+说明：
+- `KeyRotationService`: 管理 JWT 密钥的生命周期
+- `KeyRotationBackgroundService`: 后台服务，定期执行密钥轮换
+
+### 1.3 认证服务注册
+```csharp
+// 配置JWT认证
+services.AddAuthentication(options =>
+{
+    options.DefaultAuthenticateScheme = JwtBearerDefaults.AuthenticationScheme;
+    options.DefaultChallengeScheme = JwtBearerDefaults.AuthenticationScheme;
+    options.DefaultScheme = JwtBearerDefaults.AuthenticationScheme;
+})
+.AddJwtBearer();
+
+services.AddAuthorization();
+```
+
+说明：
+- 设置默认认证方案为 JWT Bearer
+- 启用授权服务
+
+## 2. Web API 层注册 (Program.cs)
+
+### 2.1 JWT 配置注册
+```csharp
+// 配置JWT认证
+builder.Services.Configure<JwtOptions>(builder.Configuration.GetSection("JwtOptions"));
+builder.Services.AddSingleton<IConfigureOptions<JwtBearerOptions>, JwtBearerOptionsSetup>();
+```
+
+### 2.2 认证服务注册
+```csharp
+builder.Services.AddAuthentication(options =>
+{
+    options.DefaultAuthenticateScheme = JwtBearerDefaults.AuthenticationScheme;
+    options.DefaultChallengeScheme = JwtBearerDefaults.AuthenticationScheme;
+    options.DefaultScheme = JwtBearerDefaults.AuthenticationScheme;
+})
+.AddJwtBearer();
+```
+
+### 2.3 Swagger 配置
+```csharp
+builder.Services.AddSwaggerGen(options =>
+{
+    options.AddSecurityDefinition("Bearer", new OpenApiSecurityScheme
+    {
+        Description = "JWT Authorization header using the Bearer scheme. Example: \"Authorization: Bearer {token}\"",
+        Name = "Authorization",
+        In = ParameterLocation.Header,
+        Type = SecuritySchemeType.ApiKey,
+        Scheme = "Bearer"
+    });
+
+    options.AddSecurityRequirement(new OpenApiSecurityRequirement
+    {
+        {
+            new OpenApiSecurityScheme
+            {
+                Reference = new OpenApiReference
+                {
+                    Type = ReferenceType.SecurityScheme,
+                    Id = "Bearer"
+                }
+            },
+            Array.Empty<string>()
+        }
+    });
+});
+```
+
+## 3. 服务注册优化建议
+
+### 3.1 避免重复注册
+目前存在重复注册的问题：
+1. JWT 配置在两个地方都进行了注册
+2. 认证服务在两个地方都进行了配置
+
+建议优化方案：
+```csharp
+// 在 DependencyInjection.cs 中统一注册
+public static IServiceCollection AddJwtServices(
+    this IServiceCollection services,
+    IConfiguration configuration)
+{
+    // 配置 JWT 选项
+    services.Configure<JwtOptions>(configuration.GetSection(JwtOptions.SectionName));
+    
+    // 注册 JWT 服务
+    services.AddSingleton<IConfigureOptions<JwtBearerOptions>, JwtBearerOptionsSetup>();
+    services.AddScoped<IJwtProvider, JwtProvider>();
+    services.AddSingleton<IKeyRotationService, KeyRotationService>();
+    services.AddHostedService<KeyRotationBackgroundService>();
+    
+    // 配置认证
+    services.AddAuthentication(options =>
+    {
+        options.DefaultAuthenticateScheme = JwtBearerDefaults.AuthenticationScheme;
+        options.DefaultChallengeScheme = JwtBearerDefaults.AuthenticationScheme;
+        options.DefaultScheme = JwtBearerDefaults.AuthenticationScheme;
+    })
+    .AddJwtBearer();
+    
+    services.AddAuthorization();
+    
+    return services;
+}
+```
+
+### 3.2 配置文件结构
+建议的 JWT 配置结构：
+```json
+{
+  "JwtOptions": {
+    "SecretKey": "your-secret-key",
+    "Issuer": "your-issuer",
+    "Audience": "your-audience",
+    "ExpiryMinutes": 15,
+    "RefreshTokenExpiryDays": 7,
+    "ClockSkewMinutes": 5,
+    "KeyRotationDays": 30,
+    "MinKeyLength": 64
+  }
+}
+```
+
+## 4. 中间件配置
+
+### 4.1 认证中间件
+```csharp
+// 启用认证中间件
+app.UseAuthentication();
+
+// 启用授权中间件
+app.UseAuthorization();
+```
+
+### 4.2 HTTPS 重定向
+```csharp
+// 启用 HTTPS 重定向
+app.UseHttpsRedirection();
+```
+
+## 5. 使用建议
+
+1. **配置管理**
+   - 使用强类型配置
+   - 集中管理配置项
+   - 避免硬编码敏感信息
+
+2. **服务注册**
+   - 使用扩展方法组织服务注册
+   - 避免重复注册
+   - 遵循依赖注入最佳实践
+
+3. **安全配置**
+   - 启用 HTTPS
+   - 配置适当的 CORS 策略
+   - 实现完整的认证和授权
+
+4. **开发体验**
+   - 配置 Swagger 文档
+   - 提供详细的错误信息
+   - 实现适当的日志记录
+
+## 6. 常见问题
+
+1. **配置加载失败**
+   - 检查配置文件路径
+   - 验证配置节点名称
+   - 确保配置值格式正确
+
+2. **认证失败**
+   - 检查令牌格式
+   - 验证密钥配置
+   - 确认过期时间设置
+
+3. **密钥轮换问题**
+   - 检查轮换间隔设置
+   - 验证密钥生成逻辑
+   - 确保缓存正确更新
+
+4. **性能问题**
+   - 优化令牌验证
+   - 使用适当的缓存策略
+   - 控制令牌大小 

scripts/update-database.ps1

@@ -0,0 +1,25 @@
+# 设置错误时停止执行
+$ErrorActionPreference = "Stop"
+
+# 设置项目路径
+$projectPath = "src/CellularManagement.Infrastructure"
+$startupProjectPath = "src/CellularManagement.WebAPI"
+
+# 设置迁移名称
+$migrationName = "AddLoginLogs"
+
+# 检查是否已存在迁移
+$migrations = dotnet ef migrations list --project $projectPath --startup-project $startupProjectPath
+if ($migrations -match $migrationName) {
+    Write-Host "迁移 '$migrationName' 已存在，跳过创建迁移步骤"
+} else {
+    # 创建迁移
+    Write-Host "正在创建迁移 '$migrationName'..."
+    dotnet ef migrations add $migrationName --project $projectPath --startup-project $startupProjectPath
+}
+
+# 更新数据库
+Write-Host "正在更新数据库..."
+dotnet ef database update --project $projectPath --startup-project $startupProjectPath
+
+Write-Host "数据库更新完成！" 

src/CellularManagement.Application/Behaviours/ValidationBehaviour.cs

@@ -0,0 +1,73 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+using FluentValidation;
+using MediatR;
+using Microsoft.Extensions.Logging;
+
+namespace CellularManagement.Application.Behaviours
+{
+    /// <summary>
+    /// 请求验证行为类
+    /// </summary>
+    /// <typeparam name="TRequest">请求类型</typeparam>
+    /// <typeparam name="TResponse">响应类型</typeparam>
+    public sealed class ValidationBehaviour<TRequest, TResponse> : IPipelineBehavior<TRequest, TResponse> 
+        where TRequest : class, IRequest<TResponse>
+    {
+        private readonly IEnumerable<IValidator<TRequest>> _validators;
+        private readonly ILogger<ValidationBehaviour<TRequest, TResponse>> _logger;
+
+        public ValidationBehaviour(
+            IEnumerable<IValidator<TRequest>> validators,
+            ILogger<ValidationBehaviour<TRequest, TResponse>> logger)
+        {
+            _validators = validators ?? throw new ArgumentNullException(nameof(validators));
+            _logger = logger ?? throw new ArgumentNullException(nameof(logger));
+        }
+
+        /// <summary>
+        /// 处理请求验证
+        /// </summary>
+        public async Task<TResponse> Handle(
+            TRequest request, 
+            RequestHandlerDelegate<TResponse> next, 
+            CancellationToken cancellationToken)
+        {
+            if (!_validators.Any())
+            {
+                return await next();
+            }
+
+            try
+            {
+                var context = new ValidationContext<TRequest>(request);
+                var validationResults = await Task.WhenAll(
+                    _validators.Select(v => v.ValidateAsync(context, cancellationToken)));
+
+                var failures = validationResults
+                    .SelectMany(result => result.Errors)
+                    .Where(failure => failure != null)
+                    .ToList();
+
+                if (failures.Any())
+                {
+                    _logger.LogWarning(
+                        "验证失败 - {RequestType} - 错误: {@Errors}",
+                        typeof(TRequest).Name,
+                        failures);
+                    throw new ValidationException(failures);
+                }
+
+                return await next();
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "验证过程中发生错误 - {RequestType}", typeof(TRequest).Name);
+                throw;
+            }
+        }
+    }
+}

src/CellularManagement.Application/CellularManagement.Application.csproj

@@ -1,11 +1,19 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<?xml version="1.0" encoding="utf-8"?>
+<Project Sdk="Microsoft.NET.Sdk">
 
   <ItemGroup>
     <ProjectReference Include="..\CellularManagement.Domain\CellularManagement.Domain.csproj" />
   </ItemGroup>
 
   <ItemGroup>
+    <PackageReference Include="FluentValidation" Version="11.9.0" />
+    <PackageReference Include="FluentValidation.AspNetCore" Version="11.3.0" />
+    <PackageReference Include="MediatR" Version="12.2.0" />
     <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="8.0.0" />
+    <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="8.0.0" />
+    <PackageReference Include="Swashbuckle.AspNetCore.Annotations" Version="6.5.0" />
+    <PackageReference Include="Swashbuckle.AspNetCore.Filters" Version="7.0.8" />
+    <PackageReference Include="UAParser" Version="3.0.0" />
   </ItemGroup>
 
   <PropertyGroup>

src/CellularManagement.Application/Common/Extensions/EmailValidationExtensions.cs

@@ -0,0 +1,57 @@
+using System.Text.RegularExpressions;
+
+namespace CellularManagement.Application.Common.Extensions;
+
+/// <summary>
+/// 邮箱验证扩展方法
+/// 提供邮箱地址格式验证的功能
+/// </summary>
+public static class EmailValidationExtensions
+{
+    /// <summary>
+    /// RFC 5322 标准的邮箱验证正则表达式
+    /// </summary>
+    private static readonly Regex EmailRegex = new(
+        @"^[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$",
+        RegexOptions.Compiled | RegexOptions.IgnoreCase);
+
+    /// <summary>
+    /// 验证邮箱地址格式是否有效
+    /// </summary>
+    /// <remarks>
+    /// 验证规则：
+    /// 1. 不能为空或空白字符
+    /// 2. 必须符合 RFC 5322 标准格式
+    /// 3. 本地部分（@前）长度不超过64个字符
+    /// 4. 域名部分（@后）长度不超过255个字符
+    /// </remarks>
+    /// <param name="email">要验证的邮箱地址</param>
+    /// <returns>如果邮箱地址格式有效返回 true，否则返回 false</returns>
+    public static bool IsValidEmail(this string email)
+    {
+        if (string.IsNullOrWhiteSpace(email))
+        {
+            return false;
+        }
+
+        // 检查邮箱长度
+        if (email.Length > 254) // RFC 5321 规定的最大长度
+        {
+            return false;
+        }
+
+        // 检查本地部分和域名部分的长度
+        var parts = email.Split('@');
+        if (parts.Length != 2)
+        {
+            return false;
+        }
+
+        if (parts[0].Length > 64 || parts[1].Length > 255)
+        {
+            return false;
+        }
+
+        return EmailRegex.IsMatch(email);
+    }
+} 

src/CellularManagement.Application/DependencyInjection.cs

@@ -1,19 +1,47 @@
 using Microsoft.Extensions.DependencyInjection;
+using MediatR;
+using FluentValidation;
+using CellularManagement.Application.Behaviours;
+using CellularManagement.Domain.Services;
+using Microsoft.Extensions.Configuration;
+using CellularManagement.Domain.Options;
 
 namespace CellularManagement.Application;
 
 /// <summary>
 /// 应用层依赖注入扩展
+/// 负责注册应用层所需的所有服务
 /// </summary>
 public static class DependencyInjection
 {
     /// <summary>
     /// 添加应用层服务
+    /// 包括命令/查询处理、验证等服务
     /// </summary>
     /// <param name="services">服务集合</param>
+    /// <param name="configuration">配置</param>
     /// <returns>服务集合</returns>
-    public static IServiceCollection AddApplicationServices(this IServiceCollection services)
+    public static IServiceCollection AddApplication(
+        this IServiceCollection services,
+        IConfiguration configuration)
     {
+        ArgumentNullException.ThrowIfNull(services);
+        ArgumentNullException.ThrowIfNull(configuration);
+
+        // 获取当前程序集
+        var assembly = typeof(DependencyInjection).Assembly;
+
+        // 配置 MediatR 服务
+        // 1. 注册程序集中的所有处理器
+        // 2. 添加验证行为中间件，用于自动验证请求
+        services.AddMediatR(configuration =>
+            configuration
+                .RegisterServicesFromAssembly(assembly)
+                .AddOpenBehavior(typeof(ValidationBehaviour<,>)));
+
+        // 注册验证器
+        services.AddScoped(typeof(IPipelineBehavior<,>), typeof(ValidationBehaviour<,>));
+
         return services;
     }
 } 

src/CellularManagement.Application/Features/Auth/Commands/AuthenticateUser/AuthenticateUserCommand.cs

@@ -0,0 +1,19 @@
+using CellularManagement.Application.Features.Auth.Models;
+using CellularManagement.Domain.Common;
+using MediatR;
+
+namespace CellularManagement.Application.Features.Auth.Commands.AuthenticateUser;
+
+/// <summary>
+/// 用户认证命令
+/// </summary>
+public sealed record AuthenticateUserCommand(
+    /// <summary>
+    /// 账号
+    /// </summary>
+    string UserName,
+    
+    /// <summary>
+    /// 密码
+    /// </summary>
+    string Password) : IRequest<OperationResult<AuthenticateUserResponse>>; 

src/CellularManagement.Application/Features/Auth/Commands/AuthenticateUser/AuthenticateUserCommandHandler.cs

@@ -0,0 +1,76 @@
+using System.Security.Claims;
+using Microsoft.AspNetCore.Identity;
+using Microsoft.Extensions.Logging;
+using MediatR;
+using CellularManagement.Application.Common.Extensions;
+using CellularManagement.Domain.Entities;
+using CellularManagement.Domain.Repositories;
+using CellularManagement.Domain.Services;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using System.Threading;
+using System.Linq;
+using System;
+using CellularManagement.Domain.Common;
+using Microsoft.AspNetCore.Http;
+using UAParser;
+using Microsoft.EntityFrameworkCore;
+using CellularManagement.Application.Features.Auth.Models;
+
+namespace CellularManagement.Application.Features.Auth.Commands.AuthenticateUser;
+
+/// <summary>
+/// 账号登录命令处理器
+/// </summary>
+public sealed class AuthenticateUserCommandHandler : BaseLoginCommandHandler<AuthenticateUserCommand, AuthenticateUserResponse>
+{
+    /// <summary>
+    /// 初始化处理器
+    /// </summary>
+    public AuthenticateUserCommandHandler(
+        UserManager<AppUser> userManager,
+        IJwtProvider jwtProvider,
+        ILogger<AuthenticateUserCommandHandler> logger,
+        IUserRoleRepository userRoleRepository,
+        IRolePermissionRepository rolePermissionRepository,
+        IUnitOfWork unitOfWork,
+        ILoginLogRepository loginLogRepository,
+        IHttpContextAccessor httpContextAccessor)
+        : base(userManager, jwtProvider, logger, userRoleRepository, rolePermissionRepository, unitOfWork, loginLogRepository, httpContextAccessor)
+    {
+    }
+
+    /// <summary>
+    /// 处理认证请求
+    /// </summary>
+    public override Task<OperationResult<AuthenticateUserResponse>> Handle(
+        AuthenticateUserCommand request,
+        CancellationToken cancellationToken)
+    {
+        return HandleLoginAsync(request, cancellationToken);
+    }
+
+    /// <summary>
+    /// 查找用户
+    /// </summary>
+    protected override Task<AppUser?> FindUserAsync(AuthenticateUserCommand request)
+    {
+        return _userManager.FindByNameAsync(request.UserName);
+    }
+
+    /// <summary>
+    /// 获取用户标识
+    /// </summary>
+    protected override string GetUserIdentifier(AuthenticateUserCommand request)
+    {
+        return request.UserName;
+    }
+
+    /// <summary>
+    /// 获取密码
+    /// </summary>
+    protected override string GetPassword(AuthenticateUserCommand request)
+    {
+        return request.Password;
+    }
+} 

src/CellularManagement.Application/Features/Auth/Commands/AuthenticateUser/AuthenticateUserCommandValidator.cs

@@ -0,0 +1,28 @@
+using FluentValidation;
+using CellularManagement.Application.Common;
+using CellularManagement.Application.Common.Extensions;
+
+namespace CellularManagement.Application.Features.Auth.Commands.AuthenticateUser;
+
+/// <summary>
+/// 用户认证命令验证器
+/// </summary>
+public sealed class AuthenticateUserCommandValidator : AbstractValidator<AuthenticateUserCommand>
+{
+    /// <summary>
+    /// 初始化验证器
+    /// </summary>
+    public AuthenticateUserCommandValidator()
+    {
+        // 验证账号
+        RuleFor(x => x.UserName)
+            .NotEmpty().WithMessage("账号不能为空")
+            .MaximumLength(256).WithMessage("账号长度不能超过256个字符");
+
+        // 验证密码
+        RuleFor(x => x.Password)
+            .NotEmpty().WithMessage("密码不能为空")
+            .MinimumLength(6).WithMessage("密码长度不能少于6个字符")
+            .MaximumLength(50).WithMessage("密码长度不能超过50个字符");
+    }
+} 

src/CellularManagement.Application/Features/Auth/Commands/BaseLoginCommandHandler.cs

@@ -0,0 +1,283 @@
+using Microsoft.AspNetCore.Identity;
+using Microsoft.Extensions.Logging;
+using MediatR;
+using CellularManagement.Domain.Entities;
+using CellularManagement.Domain.Repositories;
+using CellularManagement.Domain.Services;
+using System.Threading.Tasks;
+using System.Threading;
+using CellularManagement.Domain.Common;
+using Microsoft.AspNetCore.Http;
+using System.Security.Claims;
+using System;
+using System.Linq;
+using System.Collections.Generic;
+using Microsoft.EntityFrameworkCore;
+using CellularManagement.Application.Features.Auth.Models;
+
+namespace CellularManagement.Application.Features.Auth.Commands;
+
+/// <summary>
+/// 登录命令处理器基类
+/// </summary>
+public abstract class BaseLoginCommandHandler<TCommand, TResponse> : IRequestHandler<TCommand, OperationResult<TResponse>>
+    where TCommand : IRequest<OperationResult<TResponse>>
+    where TResponse : class
+{
+    protected readonly UserManager<AppUser> _userManager;
+    protected readonly IJwtProvider _jwtProvider;
+    protected readonly ILogger _logger;
+    protected readonly IUserRoleRepository _userRoleRepository;
+    protected readonly IRolePermissionRepository _rolePermissionRepository;
+    protected readonly IUnitOfWork _unitOfWork;
+    protected readonly ILoginLogRepository _loginLogRepository;
+    protected readonly IHttpContextAccessor _httpContextAccessor;
+    private const int MaxRetryAttempts = 3;
+
+    /// <summary>
+    /// 初始化处理器
+    /// </summary>
+    protected BaseLoginCommandHandler(
+        UserManager<AppUser> userManager,
+        IJwtProvider jwtProvider,
+        ILogger logger,
+        IUserRoleRepository userRoleRepository,
+        IRolePermissionRepository rolePermissionRepository,
+        IUnitOfWork unitOfWork,
+        ILoginLogRepository loginLogRepository,
+        IHttpContextAccessor httpContextAccessor)
+    {
+        _userManager = userManager;
+        _jwtProvider = jwtProvider;
+        _logger = logger;
+        _userRoleRepository = userRoleRepository;
+        _rolePermissionRepository = rolePermissionRepository;
+        _unitOfWork = unitOfWork;
+        _loginLogRepository = loginLogRepository;
+        _httpContextAccessor = httpContextAccessor;
+    }
+
+    /// <summary>
+    /// 处理登录请求
+    /// </summary>
+    public abstract Task<OperationResult<TResponse>> Handle(TCommand request, CancellationToken cancellationToken);
+
+    /// <summary>
+    /// 查找用户
+    /// </summary>
+    protected abstract Task<AppUser?> FindUserAsync(TCommand request);
+
+    /// <summary>
+    /// 获取用户标识
+    /// </summary>
+    protected abstract string GetUserIdentifier(TCommand request);
+
+    /// <summary>
+    /// 获取密码
+    /// </summary>
+    protected abstract string GetPassword(TCommand request);
+
+    /// <summary>
+    /// 验证凭据
+    /// </summary>
+    protected virtual async Task<bool> ValidateCredentialsAsync(TCommand request, AppUser user)
+    {
+        return await _userManager.CheckPasswordAsync(user, GetPassword(request));
+    }
+
+    /// <summary>
+    /// 处理登录逻辑
+    /// </summary>
+    protected async Task<OperationResult<TResponse>> HandleLoginAsync(TCommand request, CancellationToken cancellationToken)
+    {
+        try
+        {
+            var httpContext = _httpContextAccessor.HttpContext;
+            var ipAddress = httpContext?.Connection.RemoteIpAddress?.ToString() ?? "Unknown";
+            var userAgent = httpContext?.Request.Headers["User-Agent"].ToString() ?? "Unknown";
+
+            // 检查IP是否被限制
+            if (await _loginLogRepository.IsIpRestrictedAsync(ipAddress, cancellationToken))
+            {
+                _logger.LogWarning("IP {IpAddress} 已被限制登录", ipAddress);
+                return OperationResult<TResponse>.CreateFailure("登录尝试次数过多，请稍后再试");
+            }
+
+            // 解析设备信息
+            var parser = UAParser.Parser.GetDefault();
+            var clientInfo = parser.Parse(userAgent);
+
+            // 查找用户
+            var user = await FindUserAsync(request);
+            var userIdentifier = GetUserIdentifier(request);
+
+            // 创建登录日志
+            var loginLog = new LoginLog
+            {
+                Id = Guid.NewGuid(),
+                UserId = user?.Id ?? "Unknown",
+                LoginTime = DateTime.UtcNow,
+                IpAddress = ipAddress,
+                UserAgent = userAgent,
+                Browser = clientInfo.UA.ToString(),
+                OperatingSystem = clientInfo.OS.ToString()
+            };
+
+            if (user == null)
+            {
+                loginLog.IsSuccess = false;
+                loginLog.FailureReason = "用户不存在";
+                await _loginLogRepository.AddAsync(loginLog, cancellationToken);
+                _logger.LogWarning("用户 {UserIdentifier} 不存在", userIdentifier);
+                return OperationResult<TResponse>.CreateFailure("账号或密码错误");
+            }
+
+            // 检查用户是否已删除
+            if (user.IsDeleted)
+            {
+                loginLog.IsSuccess = false;
+                loginLog.FailureReason = "用户已被删除";
+                await _loginLogRepository.AddAsync(loginLog, cancellationToken);
+                _logger.LogWarning("用户 {UserIdentifier} 已被删除", userIdentifier);
+                return OperationResult<TResponse>.CreateFailure("用户已被删除");
+            }
+
+            // 检查用户是否已禁用
+            if (!user.IsActive)
+            {
+                loginLog.IsSuccess = false;
+                loginLog.FailureReason = "用户已被禁用";
+                await _loginLogRepository.AddAsync(loginLog, cancellationToken);
+                _logger.LogWarning("用户 {UserIdentifier} 已被禁用", userIdentifier);
+                return OperationResult<TResponse>.CreateFailure("用户已被禁用");
+            }
+
+            // 验证凭据
+            var isValidCredentials = await ValidateCredentialsAsync(request, user);
+            if (!isValidCredentials)
+            {
+                loginLog.IsSuccess = false;
+                loginLog.FailureReason = "验证失败";
+                await _loginLogRepository.AddAsync(loginLog, cancellationToken);
+                _logger.LogWarning("用户 {UserIdentifier} 验证失败", userIdentifier);
+                return OperationResult<TResponse>.CreateFailure("验证失败");
+            }
+
+            // 更新最后登录时间（带并发控制）
+            var retryCount = 0;
+            var updateSuccess = false;
+
+            while (!updateSuccess && retryCount < MaxRetryAttempts)
+            {
+                try
+                {
+                    await _unitOfWork.ExecuteTransactionAsync(async () =>
+                    {
+                        user.LastLoginTime = DateTime.UtcNow;
+                        var result = await _userManager.UpdateAsync(user);
+                        if (!result.Succeeded)
+                        {
+                            var errors = result.Errors.Select(e => e.Description).ToList();
+                            _logger.LogWarning("更新用户最后登录时间失败: {Errors}", string.Join(", ", errors));
+                            throw new InvalidOperationException(string.Join(", ", errors));
+                        }
+                    }, cancellationToken: cancellationToken);
+                    updateSuccess = true;
+                }
+                catch (DbUpdateConcurrencyException)
+                {
+                    retryCount++;
+                    _logger.LogWarning("用户 {UserIdentifier} 更新时发生并发冲突，重试次数: {RetryCount}", 
+                        userIdentifier, retryCount);
+
+                    if (retryCount >= MaxRetryAttempts)
+                    {
+                        _logger.LogError("用户 {UserIdentifier} 更新失败，超过最大重试次数", userIdentifier);
+                        return OperationResult<TResponse>.CreateFailure("系统繁忙，请稍后重试");
+                    }
+
+                    // 重新获取最新数据
+                    user = await _userManager.FindByIdAsync(user.Id);
+                    if (user == null)
+                    {
+                        return OperationResult<TResponse>.CreateFailure("用户不存在");
+                    }
+                }
+            }
+
+            // 获取用户角色
+            var roles = await _userRoleRepository.GetUserRolesAsync(user.Id, cancellationToken);
+
+            // 创建用户声明
+            var claims = new List<Claim>
+            {
+                new(ClaimTypes.NameIdentifier, user.Id),
+                new(ClaimTypes.Name, user.UserName!),
+                new(ClaimTypes.Email, user.Email!)
+            };
+
+            // 添加最后登录时间声明（如果存在）
+            if (user.LastLoginTime.HasValue)
+            {
+                claims.Add(new Claim("LastLoginTime", user.LastLoginTime.Value.ToUniversalTime().ToString("o")));
+            }
+
+            // 添加角色声明
+            claims.AddRange(roles.Select(role => new Claim(ClaimTypes.Role, role)));
+
+            // 获取所有角色的权限
+            var permissions = new Dictionary<string, bool>();
+            foreach (var role in roles)
+            {
+                var rolePermissions = await _rolePermissionRepository.GetRolePermissionsWithDetailsAsync(role, cancellationToken);
+                foreach (var rolePermission in rolePermissions)
+                {
+                    if (!permissions.ContainsKey(rolePermission.Permission.Code))
+                    {
+                        permissions[rolePermission.Permission.Code] = true;
+                    }
+                }
+            }
+
+            // 生成访问令牌
+            var accessToken = _jwtProvider.GenerateAccessToken(claims);
+
+            // 生成刷新令牌
+            var refreshToken = _jwtProvider.GenerateRefreshToken(claims);
+
+            // 获取令牌过期时间
+            var expiresAt = _jwtProvider.GetTokenExpiration(accessToken);
+
+            // 创建用户信息
+            var userInfo = new UserInfo(
+                user.Id,
+                user.UserName!,
+                user.RealName,
+                user.Email!,
+                user.PhoneNumber,
+                roles.ToList().AsReadOnly(),
+                permissions.ToDictionary(kvp => kvp.Key, kvp => kvp.Value));
+
+            // 记录成功的登录日志
+            loginLog.IsSuccess = true;
+            await _loginLogRepository.AddAsync(loginLog, cancellationToken);
+            await _unitOfWork.SaveChangesAsync(cancellationToken);
+            _logger.LogInformation("用户 {UserIdentifier} 认证成功", userIdentifier);
+
+            // 返回认证结果
+            var response = (TResponse)Activator.CreateInstance(
+                typeof(TResponse),
+                accessToken,
+                refreshToken,
+                expiresAt,
+                userInfo)!;
+
+            return OperationResult<TResponse>.CreateSuccess(response);
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "用户认证失败");
+            return OperationResult<TResponse>.CreateFailure("认证失败，请稍后重试");
+        }
+    }
+} 

src/CellularManagement.Application/Features/Auth/Commands/EmailLogin/EmailLoginCommand.cs

@@ -0,0 +1,19 @@
+using CellularManagement.Domain.Common;
+using MediatR;
+using CellularManagement.Application.Features.Auth.Models;
+
+namespace CellularManagement.Application.Features.Auth.Commands.EmailLogin;
+
+/// <summary>
+/// 邮箱登录命令
+/// </summary>
+public sealed record EmailLoginCommand(
+    /// <summary>
+    /// 邮箱
+    /// </summary>
+    string Email,
+    
+    /// <summary>
+    /// 验证码
+    /// </summary>
+    string VerificationCode) : IRequest<OperationResult<EmailLoginResponse>>; 

src/CellularManagement.Application/Features/Auth/Commands/EmailLogin/EmailLoginCommandHandler.cs

@@ -0,0 +1,82 @@
+using Microsoft.AspNetCore.Identity;
+using Microsoft.Extensions.Logging;
+using MediatR;
+using CellularManagement.Domain.Entities;
+using CellularManagement.Domain.Repositories;
+using CellularManagement.Domain.Services;
+using System.Threading.Tasks;
+using System.Threading;
+using CellularManagement.Domain.Common;
+using Microsoft.AspNetCore.Http;
+using CellularManagement.Application.Features.Auth.Models;
+
+namespace CellularManagement.Application.Features.Auth.Commands.EmailLogin;
+
+/// <summary>
+/// 邮箱登录命令处理器
+/// </summary>
+public sealed class EmailLoginCommandHandler : BaseLoginCommandHandler<EmailLoginCommand, EmailLoginResponse>
+{
+    private readonly IEmailVerificationService _emailVerificationService;
+
+    /// <summary>
+    /// 初始化处理器
+    /// </summary>
+    public EmailLoginCommandHandler(
+        UserManager<AppUser> userManager,
+        IJwtProvider jwtProvider,
+        ILogger<EmailLoginCommandHandler> logger,
+        IUserRoleRepository userRoleRepository,
+        IRolePermissionRepository rolePermissionRepository,
+        IUnitOfWork unitOfWork,
+        ILoginLogRepository loginLogRepository,
+        IHttpContextAccessor httpContextAccessor,
+        IEmailVerificationService emailVerificationService)
+        : base(userManager, jwtProvider, logger, userRoleRepository, rolePermissionRepository, unitOfWork, loginLogRepository, httpContextAccessor)
+    {
+        _emailVerificationService = emailVerificationService;
+    }
+
+    /// <summary>
+    /// 处理认证请求
+    /// </summary>
+    public override Task<OperationResult<EmailLoginResponse>> Handle(
+        EmailLoginCommand request,
+        CancellationToken cancellationToken)
+    {
+        return HandleLoginAsync(request, cancellationToken);
+    }
+
+    /// <summary>
+    /// 查找用户
+    /// </summary>
+    protected override Task<AppUser?> FindUserAsync(EmailLoginCommand request)
+    {
+        return _userManager.FindByEmailAsync(request.Email);
+    }
+
+    /// <summary>
+    /// 获取用户标识
+    /// </summary>
+    protected override string GetUserIdentifier(EmailLoginCommand request)
+    {
+        return request.Email;
+    }
+
+    /// <summary>
+    /// 获取密码
+    /// </summary>
+    protected override string GetPassword(EmailLoginCommand request)
+    {
+        return request.VerificationCode;
+    }
+
+    /// <summary>
+    /// 验证凭据
+    /// </summary>
+    protected override async Task<bool> ValidateCredentialsAsync(EmailLoginCommand request, AppUser user)
+    {
+        // 验证邮箱验证码
+        return await _emailVerificationService.VerifyCodeAsync(request.Email, request.VerificationCode);
+    }
+} 

src/CellularManagement.Application/Features/Auth/Commands/EmailLogin/EmailLoginCommandValidator.cs

@@ -0,0 +1,29 @@
+using FluentValidation;
+using CellularManagement.Application.Common.Extensions;
+
+namespace CellularManagement.Application.Features.Auth.Commands.EmailLogin;
+
+/// <summary>
+/// 邮箱登录命令验证器
+/// </summary>
+public sealed class EmailLoginCommandValidator : AbstractValidator<EmailLoginCommand>
+{
+    /// <summary>
+    /// 初始化验证器
+    /// </summary>
+    public EmailLoginCommandValidator()
+    {
+        // 验证邮箱
+        RuleFor(x => x.Email)
+            .NotEmpty().WithMessage("邮箱不能为空")
+            .MaximumLength(256).WithMessage("邮箱长度不能超过256个字符")
+            .Must(x => x.IsValidEmail())
+            .WithMessage("邮箱格式不正确");
+
+        // 验证验证码
+        RuleFor(x => x.VerificationCode)
+            .NotEmpty().WithMessage("验证码不能为空")
+            .Length(6).WithMessage("验证码长度必须为6位")
+            .Matches("^[0-9]+$").WithMessage("验证码只能包含数字");
+    }
+} 

src/CellularManagement.Application/Features/Auth/Commands/GenerateCaptcha/GenerateCaptchaCommand.cs

@@ -0,0 +1,10 @@
+using CellularManagement.Domain.Common;
+using MediatR;
+
+namespace CellularManagement.Application.Features.Auth.Commands.GenerateCaptcha;
+
+public class GenerateCaptchaCommand : IRequest<OperationResult<GenerateCaptchaResponse>>
+{
+    public int Length { get; set; } = 4;
+    public string? ClientId { get; set; }
+} 

src/CellularManagement.Application/Features/Auth/Commands/GenerateCaptcha/GenerateCaptchaCommandHandler.cs

@@ -0,0 +1,79 @@
+using MediatR;
+using CellularManagement.Domain.Services;
+using CellularManagement.Application.Common;
+using System.Text;
+using CellularManagement.Domain.Common;
+using Microsoft.Extensions.Caching.Memory;
+
+namespace CellularManagement.Application.Features.Auth.Commands.GenerateCaptcha;
+
+public class GenerateCaptchaCommandHandler : IRequestHandler<GenerateCaptchaCommand, OperationResult<GenerateCaptchaResponse>>
+{
+    private readonly ICaptchaService _captchaService;
+    private readonly ICacheService _cacheService;
+    private const string RATE_LIMIT_KEY_PREFIX = "captcha_rate_limit:";
+    private const int MAX_REQUESTS_PER_MINUTE = 30;
+
+    public GenerateCaptchaCommandHandler(
+        ICaptchaService captchaService,
+        ICacheService cacheService)
+    {
+        _captchaService = captchaService;
+        _cacheService = cacheService;
+    }
+
+    public async Task<OperationResult<GenerateCaptchaResponse>> Handle(
+        GenerateCaptchaCommand request,
+        CancellationToken cancellationToken)
+    {
+        try
+        {
+            // 获取客户端IP或标识
+            var clientId = request.ClientId ?? "anonymous";
+            var rateLimitKey = $"{RATE_LIMIT_KEY_PREFIX}{clientId}";
+
+            // 检查请求频率
+            var requestCount = _cacheService.Get<int>(rateLimitKey);
+            if (requestCount >= MAX_REQUESTS_PER_MINUTE)
+            {
+                var remainingTime = _cacheService.Get<DateTime>($"{rateLimitKey}:expiry");
+                var seconds = remainingTime != default 
+                    ? (int)(remainingTime - DateTime.UtcNow).TotalSeconds 
+                    : 60;
+                
+                return OperationResult<GenerateCaptchaResponse>.CreateFailure(
+                    $"请求过于频繁，请{seconds}秒后再试");
+            }
+
+            // 更新请求计数
+            var rateLimitOptions = new MemoryCacheEntryOptions()
+                .SetAbsoluteExpiration(TimeSpan.FromMinutes(1));
+            _cacheService.Set(rateLimitKey, requestCount + 1, rateLimitOptions);
+            _cacheService.Set($"{rateLimitKey}:expiry", DateTime.UtcNow.AddMinutes(1), rateLimitOptions);
+
+            // 生成验证码
+            var (code, imageBytes) = _captchaService.GenerateCaptcha(request.Length);
+
+            // 生成唯一ID
+            var captchaId = Guid.NewGuid().ToString();
+
+            // 将验证码存入缓存，设置5分钟过期
+            var cacheOptions = new MemoryCacheEntryOptions()
+                .SetAbsoluteExpiration(TimeSpan.FromMinutes(5));
+            _cacheService.Set($"captcha:{captchaId}", code, cacheOptions);
+
+            // 将图片转换为Base64
+            var base64Image = Convert.ToBase64String(imageBytes);
+
+            return await Task.FromResult(OperationResult<GenerateCaptchaResponse>.CreateSuccess(new GenerateCaptchaResponse
+            {
+                CaptchaId = captchaId,
+                ImageBase64 = base64Image
+            }));
+        }
+        catch (Exception ex)
+        {
+            return await Task.FromResult(OperationResult<GenerateCaptchaResponse>.CreateFailure("生成验证码失败"));
+        }
+    }
+} 

src/CellularManagement.Application/Features/Auth/Commands/GenerateCaptcha/GenerateCaptchaResponse.cs

@@ -0,0 +1,7 @@
+namespace CellularManagement.Application.Features.Auth.Commands.GenerateCaptcha;
+
+public class GenerateCaptchaResponse
+{
+    public string CaptchaId { get; set; }
+    public string ImageBase64 { get; set; }
+} 

src/CellularManagement.Application/Features/Auth/Commands/Login/LoginRequest.cs

@@ -0,0 +1,21 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace CellularManagement.Application.Features.Auth.Commands.Login;
+
+/// <summary>
+/// 登录请求
+/// </summary>
+public class LoginRequest
+{
+    /// <summary>
+    /// 用户名
+    /// </summary>
+    [Required(ErrorMessage = "账号不能为空")]
+    public string UserName { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 密码
+    /// </summary>
+    [Required(ErrorMessage = "密码不能为空")]
+    public string Password { get; set; } = string.Empty;
+} 

src/CellularManagement.Application/Features/Auth/Commands/Login/LoginRequestExample.cs

@@ -0,0 +1,45 @@
+using Swashbuckle.AspNetCore.Filters;
+
+namespace CellularManagement.Application.Features.Auth.Commands.Login;
+
+/// <summary>
+/// 登录请求示例
+/// </summary>
+public class LoginRequestExample : IExamplesProvider<LoginRequest>
+{
+    /// <summary>
+    /// 获取示例
+    /// </summary>
+    /// <returns>登录请求示例</returns>
+    public LoginRequest GetExamples()
+    {
+        return new LoginRequest
+        {
+            UserName = "hyh",
+            Password = "Hyh@123456"
+        };
+    }
+}
+
+/// <summary>
+/// 登录请求示例提供者
+/// </summary>
+public class LoginRequestExamples : IMultipleExamplesProvider<LoginRequest>
+{
+    /// <summary>
+    /// 获取示例
+    /// </summary>
+    /// <returns>登录请求示例集合</returns>
+    public IEnumerable<SwaggerExample<LoginRequest>> GetExamples()
+    {
+        yield return SwaggerExample.Create(
+            "默认用户",
+            "使用默认测试账号",
+            new LoginRequest
+            {
+                UserName = "hyh",
+                Password = "Hyh@123456"
+            }
+        );
+    }
+} 

src/CellularManagement.Application/Features/Auth/Commands/Logout/LogoutCommand.cs

@@ -0,0 +1,20 @@
+using MediatR;
+using CellularManagement.Domain.Common;
+
+namespace CellularManagement.Application.Features.Auth.Commands.Logout;
+
+/// <summary>
+/// 登出命令
+/// </summary>
+public class LogoutCommand : IRequest<OperationResult<bool>>
+{
+    /// <summary>
+    /// 访问令牌
+    /// </summary>
+    public string AccessToken { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 刷新令牌
+    /// </summary>
+    public string RefreshToken { get; set; } = string.Empty;
+} 

src/CellularManagement.Application/Features/Auth/Commands/Logout/LogoutCommandHandler.cs

@@ -0,0 +1,243 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using CellularManagement.Domain.Common;
+using CellularManagement.Domain.Services;
+using CellularManagement.Domain.Repositories;
+using CellularManagement.Domain.Entities;
+using System.Threading;
+using System.Threading.Tasks;
+using System.Security.Claims;
+using System.Collections.Generic;
+using System.Diagnostics;
+
+namespace CellularManagement.Application.Features.Auth.Commands.Logout;
+
+/// <summary>
+/// 登出命令处理器
+/// </summary>
+public class LogoutCommandHandler : IRequestHandler<LogoutCommand, OperationResult<bool>>
+{
+    private readonly IJwtProvider _jwtProvider;
+    private readonly ILogger<LogoutCommandHandler> _logger;
+    private readonly ILoginLogRepository _loginLogRepository;
+    private readonly IUnitOfWork _unitOfWork;
+    private static readonly Action<ILogger, string, Exception?> LogTokenValidationError = 
+        LoggerMessage.Define<string>(LogLevel.Warning, new EventId(1, "TokenValidationError"), "令牌验证错误: {Message}");
+    private static readonly Action<ILogger, string, string, Exception?> LogTokenProcessingError = 
+        LoggerMessage.Define<string, string>(LogLevel.Error, new EventId(2, "TokenProcessingError"), "处理令牌 {TokenType} 时发生错误: {Message}");
+
+    /// <summary>
+    /// 初始化处理器
+    /// </summary>
+    public LogoutCommandHandler(
+        IJwtProvider jwtProvider,
+        ILogger<LogoutCommandHandler> logger,
+        ILoginLogRepository loginLogRepository,
+        IUnitOfWork unitOfWork)
+    {
+        _jwtProvider = jwtProvider;
+        _logger = logger;
+        _loginLogRepository = loginLogRepository;
+        _unitOfWork = unitOfWork;
+    }
+
+    /// <summary>
+    /// 处理登出请求
+    /// </summary>
+    public async Task<OperationResult<bool>> Handle(LogoutCommand request, CancellationToken cancellationToken)
+    {
+        var sw = Stopwatch.StartNew();
+        var correlationId = Guid.NewGuid().ToString();
+        _logger.LogInformation("[{CorrelationId}] 开始处理登出请求", correlationId);
+
+        try
+        {
+            // 快速验证令牌存在性
+            if (string.IsNullOrEmpty(request.AccessToken) || string.IsNullOrEmpty(request.RefreshToken))
+            {
+                _logger.LogWarning("[{CorrelationId}] 令牌为空", correlationId);
+                return OperationResult<bool>.CreateFailure("无效的请求");
+            }
+
+            _logger.LogDebug("[{CorrelationId}] 开始验证令牌", correlationId);
+            string? userId = null;
+            bool isAccessTokenValid = false;
+            bool isRefreshTokenValid = false;
+            var tokenValidationSw = Stopwatch.StartNew();
+
+            try
+            {
+                // 验证访问令牌
+                _logger.LogDebug("[{CorrelationId}] 开始验证访问令牌", correlationId);
+                var accessTokenClaims = _jwtProvider.GetClaimsFromToken(request.AccessToken);
+                if (accessTokenClaims.Any())
+                {
+                    var tokenType = accessTokenClaims.FirstOrDefault(c => c.Type == "token_type")?.Value;
+                    _logger.LogDebug("[{CorrelationId}] 访问令牌类型: {TokenType}", correlationId, tokenType);
+
+                    if (tokenType == "access_token")
+                    {
+                        userId = accessTokenClaims.FirstOrDefault(c => c.Type == ClaimTypes.NameIdentifier)?.Value;
+                        isAccessTokenValid = !string.IsNullOrEmpty(userId);
+                        _logger.LogDebug("[{CorrelationId}] 访问令牌验证结果: {IsValid}, 用户ID: {UserId}", 
+                            correlationId, isAccessTokenValid, userId);
+                    }
+                    else
+                    {
+                        _logger.LogWarning("[{CorrelationId}] 访问令牌类型不匹配: {TokenType}", correlationId, tokenType);
+                    }
+                }
+            }
+            catch (Exception ex)
+            {
+                LogTokenValidationError(_logger, "访问令牌验证失败", ex);
+            }
+
+            try
+            {
+                // 验证刷新令牌
+                _logger.LogDebug("[{CorrelationId}] 开始验证刷新令牌", correlationId);
+                var refreshTokenClaims = _jwtProvider.GetClaimsFromToken(request.RefreshToken);
+                if (refreshTokenClaims.Any())
+                {
+                    var tokenType = refreshTokenClaims.FirstOrDefault(c => c.Type == "token_type")?.Value;
+                    _logger.LogDebug("[{CorrelationId}] 刷新令牌类型: {TokenType}", correlationId, tokenType);
+
+                    if (tokenType == "refresh_token")
+                    {
+                        var refreshTokenUserId = refreshTokenClaims.FirstOrDefault(c => c.Type == ClaimTypes.NameIdentifier)?.Value;
+                        isRefreshTokenValid = !string.IsNullOrEmpty(refreshTokenUserId) && 
+                                           (string.IsNullOrEmpty(userId) || userId == refreshTokenUserId);
+                        
+                        if (isRefreshTokenValid && string.IsNullOrEmpty(userId))
+                        {
+                            userId = refreshTokenUserId;
+                        }
+                        _logger.LogDebug("[{CorrelationId}] 刷新令牌验证结果: {IsValid}, 用户ID: {UserId}", 
+                            correlationId, isRefreshTokenValid, refreshTokenUserId);
+                    }
+                    else
+                    {
+                        _logger.LogWarning("[{CorrelationId}] 刷新令牌类型不匹配: {TokenType}", correlationId, tokenType);
+                    }
+                }
+            }
+            catch (Exception ex)
+            {
+                LogTokenValidationError(_logger, "刷新令牌验证失败", ex);
+            }
+
+            tokenValidationSw.Stop();
+            _logger.LogInformation("[{CorrelationId}] 令牌验证完成，耗时: {ElapsedMs}ms", 
+                correlationId, tokenValidationSw.ElapsedMilliseconds);
+
+            // 如果两个令牌都无效，直接返回成功
+            if (!isAccessTokenValid && !isRefreshTokenValid)
+            {
+                _logger.LogInformation("[{CorrelationId}] 所有令牌无效，直接返回成功", correlationId);
+                return OperationResult<bool>.CreateSuccess(true);
+            }
+
+            // 记录登出日志
+            if (!string.IsNullOrEmpty(userId))
+            {
+                _logger.LogDebug("[{CorrelationId}] 开始记录登出日志，用户ID: {UserId}", correlationId, userId);
+                var logSw = Stopwatch.StartNew();
+                await RecordLogoutLogAsync(userId, correlationId, cancellationToken);
+                logSw.Stop();
+                _logger.LogInformation("[{CorrelationId}] 登出日志记录完成，耗时: {ElapsedMs}ms", 
+                    correlationId, logSw.ElapsedMilliseconds);
+            }
+
+            // 异步处理令牌撤销和黑名单
+            _ = Task.Run(async () =>
+            {
+                var tokenProcessingSw = Stopwatch.StartNew();
+                try
+                {
+                    if (isAccessTokenValid)
+                    {
+                        _logger.LogDebug("[{CorrelationId}] 开始处理访问令牌撤销和黑名单", correlationId);
+                        await ProcessTokenAsync(request.AccessToken, "访问令牌", correlationId);
+                    }
+
+                    if (isRefreshTokenValid)
+                    {
+                        _logger.LogDebug("[{CorrelationId}] 开始处理刷新令牌撤销和黑名单", correlationId);
+                        await ProcessTokenAsync(request.RefreshToken, "刷新令牌", correlationId);
+                    }
+                }
+                catch (Exception ex)
+                {
+                    LogTokenProcessingError(_logger, "令牌处理", "处理令牌撤销和黑名单时发生异常", ex);
+                }
+                finally
+                {
+                    tokenProcessingSw.Stop();
+                    _logger.LogInformation("[{CorrelationId}] 令牌处理完成，耗时: {ElapsedMs}ms", 
+                        correlationId, tokenProcessingSw.ElapsedMilliseconds);
+                }
+            });
+
+            sw.Stop();
+            _logger.LogInformation("[{CorrelationId}] 登出请求处理完成，总耗时: {ElapsedMs}ms", 
+                correlationId, sw.ElapsedMilliseconds);
+            return OperationResult<bool>.CreateSuccess(true);
+        }
+        catch (Exception ex)
+        {
+            sw.Stop();
+            _logger.LogError(ex, "[{CorrelationId}] 处理登出请求时发生异常，耗时: {ElapsedMs}ms", 
+                correlationId, sw.ElapsedMilliseconds);
+            return OperationResult<bool>.CreateFailure("系统错误");
+        }
+    }
+
+    /// <summary>
+    /// 记录登出日志
+    /// </summary>
+    private async Task RecordLogoutLogAsync(string userId, string correlationId, CancellationToken cancellationToken)
+    {
+        try
+        {
+            var loginLog = new LoginLog
+            {
+                Id = Guid.NewGuid(),
+                UserId = userId,
+                LoginTime = DateTime.UtcNow,
+                IsSuccess = true
+            };
+
+            await _loginLogRepository.AddAsync(loginLog, cancellationToken);
+            await _unitOfWork.SaveChangesAsync(cancellationToken);
+            _logger.LogDebug("[{CorrelationId}] 登出日志记录成功", correlationId);
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "[{CorrelationId}] 记录登出日志时发生异常", correlationId);
+            throw;
+        }
+    }
+
+    /// <summary>
+    /// 处理令牌撤销和黑名单
+    /// </summary>
+    private async Task ProcessTokenAsync(string token, string tokenType, string correlationId)
+    {
+        try
+        {
+            var sw = Stopwatch.StartNew();
+            _jwtProvider.RevokeToken(token);
+            _jwtProvider.AddToBlacklist(token);
+            sw.Stop();
+            _logger.LogDebug("[{CorrelationId}] {TokenType}处理完成，耗时: {ElapsedMs}ms", 
+                correlationId, tokenType, sw.ElapsedMilliseconds);
+            await Task.CompletedTask;
+        }
+        catch (Exception ex)
+        {
+            LogTokenProcessingError(_logger, tokenType, "处理令牌时发生异常", ex);
+            throw;
+        }
+    }
+} 

src/CellularManagement.Application/Features/Auth/Commands/RefreshToken/RefreshTokenCommand.cs

@@ -0,0 +1,19 @@
+using MediatR;
+using System.ComponentModel.DataAnnotations;
+using CellularManagement.Application.Features.Auth.Commands.AuthenticateUser;
+using CellularManagement.Domain.Common;
+using CellularManagement.Application.Features.Auth.Models;
+
+namespace CellularManagement.Application.Features.Auth.Commands.RefreshToken;
+
+/// <summary>
+/// 刷新令牌命令
+/// </summary>
+public class RefreshTokenCommand : IRequest<OperationResult<AuthenticateUserResponse>>
+{
+    /// <summary>
+    /// 刷新令牌
+    /// </summary>
+    [Required(ErrorMessage = "刷新令牌不能为空")]
+    public string RefreshToken { get; set; } = string.Empty;
+} 

src/CellularManagement.Application/Features/Auth/Commands/RefreshToken/RefreshTokenCommandHandler.cs

@@ -0,0 +1,148 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using CellularManagement.Application.Common;
+using System.Security.Claims;
+using CellularManagement.Application.Features.Auth.Commands.AuthenticateUser;
+using CellularManagement.Domain.Repositories;
+using CellularManagement.Domain.Services;
+using System.Threading.Tasks;
+using System.Threading;
+using System.Linq;
+using System.Collections.Generic;
+using System;
+using CellularManagement.Domain.Common;
+using CellularManagement.Application.Features.Auth.Models;
+
+namespace CellularManagement.Application.Features.Auth.Commands.RefreshToken;
+
+/// <summary>
+/// 刷新令牌命令处理器
+/// </summary>
+public sealed class RefreshTokenCommandHandler : IRequestHandler<RefreshTokenCommand, OperationResult<AuthenticateUserResponse>>
+{
+    private readonly IJwtProvider _jwtProvider;
+    private readonly ILogger<RefreshTokenCommandHandler> _logger;
+    private readonly IUserRoleRepository _userRoleRepository;
+    private readonly IRolePermissionRepository _rolePermissionRepository;
+
+    /// <summary>
+    /// 构造函数
+    /// </summary>
+    /// <param name="jwtProvider">JWT提供者</param>
+    /// <param name="logger">日志记录器</param>
+    /// <param name="userRoleRepository">用户角色仓储</param>
+    /// <param name="rolePermissionRepository">角色权限仓储</param>
+    public RefreshTokenCommandHandler(
+        IJwtProvider jwtProvider,
+        ILogger<RefreshTokenCommandHandler> logger,
+        IUserRoleRepository userRoleRepository,
+        IRolePermissionRepository rolePermissionRepository)
+    {
+        _jwtProvider = jwtProvider;
+        _logger = logger;
+        _userRoleRepository = userRoleRepository;
+        _rolePermissionRepository = rolePermissionRepository;
+    }
+
+    /// <summary>
+    /// 处理刷新令牌请求
+    /// </summary>
+    /// <param name="request">刷新令牌命令</param>
+    /// <param name="cancellationToken">取消令牌</param>
+    /// <returns>刷新令牌结果</returns>
+    public async Task<OperationResult<AuthenticateUserResponse>> Handle(
+        RefreshTokenCommand request,
+        CancellationToken cancellationToken)
+    {
+        try
+        {
+            _logger.LogInformation("开始处理刷新令牌请求");
+
+            // 验证刷新令牌
+            if (!_jwtProvider.ValidateToken(request.RefreshToken))
+            {
+                _logger.LogWarning("刷新令牌验证失败");
+                return OperationResult<AuthenticateUserResponse>.CreateFailure("无效的刷新令牌");
+            }
+
+            // 获取令牌中的声明
+            var claims = _jwtProvider.GetClaimsFromToken(request.RefreshToken);
+            if (!claims.Any())
+            {
+                _logger.LogWarning("刷新令牌中未找到声明");
+                return OperationResult<AuthenticateUserResponse>.CreateFailure("无效的刷新令牌");
+            }
+
+            // 检查令牌类型
+            var tokenType = _jwtProvider.GetTokenType(request.RefreshToken);
+            if (tokenType != "refresh_token")
+            {
+                _logger.LogWarning("令牌类型不是刷新令牌");
+                return OperationResult<AuthenticateUserResponse>.CreateFailure("无效的刷新令牌");
+            }
+
+            // 检查令牌是否在黑名单中
+            if (_jwtProvider.GetAllClaims(request.RefreshToken).ContainsKey("blacklisted"))
+            {
+                _logger.LogWarning("刷新令牌已被列入黑名单");
+                return OperationResult<AuthenticateUserResponse>.CreateFailure("刷新令牌已被撤销");
+            }
+
+            // 获取用户ID
+            var userId = claims.FirstOrDefault(c => c.Type == ClaimTypes.NameIdentifier)?.Value;
+            if (string.IsNullOrEmpty(userId))
+            {
+                _logger.LogWarning("刷新令牌中未找到用户ID");
+                return OperationResult<AuthenticateUserResponse>.CreateFailure("无效的刷新令牌");
+            }
+
+            // 获取用户角色
+            var roles = await _userRoleRepository.GetUserRolesAsync(userId, cancellationToken);
+
+            // 获取所有角色的权限
+            var permissions = new Dictionary<string, bool>();
+            foreach (var role in roles)
+            {
+                var rolePermissions = await _rolePermissionRepository.GetRolePermissionsWithDetailsAsync(role, cancellationToken);
+                foreach (var rolePermission in rolePermissions)
+                {
+                    if (!permissions.ContainsKey(rolePermission.Permission.Code))
+                    {
+                        permissions[rolePermission.Permission.Code] = true;
+                    }
+                }
+            }
+
+            // 生成新的访问令牌
+            var accessToken = _jwtProvider.GenerateAccessToken(claims);
+
+            // 生成新的刷新令牌
+            var refreshToken = _jwtProvider.GenerateRefreshToken(claims);
+
+            // 撤销旧的刷新令牌
+            _jwtProvider.RevokeToken(request.RefreshToken);
+
+            // 获取令牌过期时间
+            var expiresAt = _jwtProvider.GetTokenExpiration(accessToken);
+
+            // 创建用户信息
+            var userInfo = new UserInfo(
+                userId,
+                claims.FirstOrDefault(c => c.Type == ClaimTypes.Name)?.Value ?? string.Empty,
+                claims.FirstOrDefault(c => c.Type == "RealName")?.Value,
+                claims.FirstOrDefault(c => c.Type == ClaimTypes.Email)?.Value ?? string.Empty,
+                claims.FirstOrDefault(c => c.Type == ClaimTypes.MobilePhone)?.Value,
+                roles.ToList().AsReadOnly(),
+                permissions);
+
+            _logger.LogInformation("刷新令牌成功");
+            return OperationResult<AuthenticateUserResponse>.CreateSuccess(
+                new AuthenticateUserResponse(accessToken, refreshToken, expiresAt, userInfo));
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "刷新令牌时发生异常");
+            return OperationResult<AuthenticateUserResponse>.CreateFailure("刷新令牌失败，请稍后重试");
+        }
+    }
+} 

src/CellularManagement.Application/Features/Auth/Commands/RefreshToken/RefreshTokenResponse.cs

@@ -0,0 +1,22 @@
+namespace CellularManagement.Application.Features.Auth.Commands.RefreshToken;
+
+/// <summary>
+/// 刷新令牌响应
+/// </summary>
+public class RefreshTokenResponse
+{
+    /// <summary>
+    /// 访问令牌
+    /// </summary>
+    public string AccessToken { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 刷新令牌
+    /// </summary>
+    public string RefreshToken { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 过期时间（分钟）
+    /// </summary>
+    public int ExpiresIn { get; set; }
+} 

src/CellularManagement.Application/Features/Auth/Commands/RegisterUser/RegisterUserCommand.cs

@@ -0,0 +1,48 @@
+using CellularManagement.Domain.Common;
+using MediatR;
+
+namespace CellularManagement.Application.Features.Auth.Commands.RegisterUser;
+
+/// <summary>
+/// 用户注册命令
+/// </summary>
+public sealed record RegisterUserCommand(
+    /// <summary>
+    /// 账号
+    /// </summary>
+    string UserName,
+
+    /// <summary>
+    /// 用户名
+    /// </summary>
+    string RealName,
+
+    /// <summary>
+    /// 邮箱
+    /// </summary>
+    string Email,
+
+    /// <summary>
+    /// 密码
+    /// </summary>
+    string Password,
+
+    /// <summary>
+    /// 确认密码
+    /// </summary>
+    string ConfirmPassword,
+
+    /// <summary>
+    /// 电话号码
+    /// </summary>
+    string? PhoneNumber,
+
+    /// <summary>
+    /// 验证码ID
+    /// </summary>
+    string CaptchaId,
+
+    /// <summary>
+    /// 验证码
+    /// </summary>
+    string CaptchaCode) : IRequest<OperationResult<RegisterUserResponse>>; 

src/CellularManagement.Application/Features/Auth/Commands/RegisterUser/RegisterUserCommandHandler.cs

@@ -0,0 +1,114 @@
+using Microsoft.AspNetCore.Identity;
+using Microsoft.Extensions.Logging;
+using MediatR;
+using CellularManagement.Domain.Entities;
+using CellularManagement.Domain.Repositories;
+using CellularManagement.Domain.Services;
+using CellularManagement.Domain.Common;
+using CellularManagement.Domain.Exceptions;
+using System.Threading.Tasks;
+using System.Threading;
+using System;
+
+namespace CellularManagement.Application.Features.Auth.Commands.RegisterUser;
+
+/// <summary>
+/// 用户注册命令处理器
+/// </summary>
+public sealed class RegisterUserCommandHandler : IRequestHandler<RegisterUserCommand, OperationResult<RegisterUserResponse>>
+{
+    private readonly IUserRegistrationService _userRegistrationService;
+    private readonly ICaptchaVerificationService _captchaVerificationService;
+    private readonly ILogger<RegisterUserCommandHandler> _logger;
+    private readonly IUnitOfWork _unitOfWork;
+
+    public RegisterUserCommandHandler(
+        IUserRegistrationService userRegistrationService,
+        ICaptchaVerificationService captchaVerificationService,
+        ILogger<RegisterUserCommandHandler> logger,
+        IUnitOfWork unitOfWork)
+    {
+        _userRegistrationService = userRegistrationService;
+        _captchaVerificationService = captchaVerificationService;
+        _logger = logger;
+        _unitOfWork = unitOfWork;
+    }
+
+    public async Task<OperationResult<RegisterUserResponse>> Handle(
+        RegisterUserCommand request,
+        CancellationToken cancellationToken)
+    {
+        try
+        {
+            // 验证图形验证码
+            var(IsSuccess, errorMessage) = await _captchaVerificationService.VerifyCaptchaAsync(request.CaptchaId, request.CaptchaCode);
+            if (!IsSuccess)
+            {
+                return OperationResult<RegisterUserResponse>.CreateFailure(errorMessage?? "验证码验证失败");
+            }
+
+            // 创建用户实体
+            var user = new AppUser
+            {
+                UserName = request.UserName,
+                RealName = request.RealName,
+                Email = request.Email,
+                PhoneNumber = request.PhoneNumber
+            };
+
+            // 在事务中执行用户注册和角色分配
+            await _unitOfWork.ExecuteTransactionAsync(async () =>
+            {
+                // 注册用户
+                var (success, errorMessage) = await _userRegistrationService.RegisterUserAsync(user, request.Password);
+                if (!success)
+                {
+                    _logger.LogWarning("注册用户失败: {Error}", errorMessage);
+                    throw new UserRegistrationException(errorMessage!);
+                }
+
+                // 分配角色
+                (success, errorMessage) = await _userRegistrationService.AssignUserRoleAsync(user);
+                if (!success)
+                {
+                    _logger.LogWarning("分配角色失败: {Error}", errorMessage);
+                    throw new RoleAssignmentException(errorMessage!);
+                }
+                await _unitOfWork.SaveChangesAsync(cancellationToken);
+            });
+
+            _logger.LogInformation("用户 {UserName} 注册成功", request.UserName);
+
+            return OperationResult<RegisterUserResponse>.CreateSuccess(
+                new RegisterUserResponse(
+                    Id: user.Id,
+                    UserName: user.UserName,
+                    RealName: user.RealName ?? user.UserName));
+        }
+        catch (UserNameAlreadyExistsException ex)
+        {
+            _logger.LogWarning(ex, "账号已存在");
+            return OperationResult<RegisterUserResponse>.CreateFailure(ex.Message);
+        }
+        catch (EmailAlreadyExistsException ex)
+        {
+            _logger.LogWarning(ex, "邮箱已存在");
+            return OperationResult<RegisterUserResponse>.CreateFailure(ex.Message);
+        }
+        catch (RoleAssignmentException ex)
+        {
+            _logger.LogError(ex, "角色分配失败");
+            return OperationResult<RegisterUserResponse>.CreateFailure(ex.Message);
+        }
+        catch (UserRegistrationException ex)
+        {
+            _logger.LogError(ex, "用户注册失败");
+            return OperationResult<RegisterUserResponse>.CreateFailure(ex.Message);
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "用户 {UserName} 注册失败", request.UserName);
+            return OperationResult<RegisterUserResponse>.CreateFailure("系统错误，请稍后重试");
+        }
+    }
+} 

src/CellularManagement.Application/Features/Auth/Commands/RegisterUser/RegisterUserCommandValidator.cs

@@ -0,0 +1,64 @@
+using FluentValidation;
+using CellularManagement.Application.Common.Extensions;
+
+namespace CellularManagement.Application.Features.Auth.Commands.RegisterUser;
+
+/// <summary>
+/// 用户注册命令验证器
+/// </summary>
+public sealed class RegisterUserCommandValidator : AbstractValidator<RegisterUserCommand>
+{
+    /// <summary>
+    /// 初始化验证器
+    /// </summary>
+    public RegisterUserCommandValidator()
+    {
+        // 验证账号
+        RuleFor(x => x.UserName)
+            .NotEmpty().WithMessage("账号不能为空")
+            .MinimumLength(3).WithMessage("账号长度不能少于3个字符")
+            .MaximumLength(50).WithMessage("账号长度不能超过50个字符")
+            .Matches("^[a-zA-Z0-9_]+$").WithMessage("账号只能包含字母、数字和下划线");
+
+        // 验证用户名
+        RuleFor(x => x.RealName)
+            .NotEmpty().WithMessage("用户名不能为空")
+            .MaximumLength(50).WithMessage("用户名长度不能超过50个字符");
+
+        // 验证邮箱
+        RuleFor(x => x.Email)
+            .NotEmpty().WithMessage("邮箱不能为空")
+            .MaximumLength(256).WithMessage("邮箱长度不能超过256个字符")
+            .Must(x => x.IsValidEmail()).WithMessage("邮箱格式不正确");
+
+        // 验证密码
+        RuleFor(x => x.Password)
+            .NotEmpty().WithMessage("密码不能为空")
+            .MinimumLength(6).WithMessage("密码长度不能少于6个字符")
+            .MaximumLength(50).WithMessage("密码长度不能超过50个字符")
+            .Matches("[A-Z]").WithMessage("密码必须包含至少一个大写字母")
+            .Matches("[a-z]").WithMessage("密码必须包含至少一个小写字母")
+            .Matches("[0-9]").WithMessage("密码必须包含至少一个数字")
+            .Matches("[^a-zA-Z0-9]").WithMessage("密码必须包含至少一个特殊字符");
+
+        // 验证确认密码
+        RuleFor(x => x.ConfirmPassword)
+            .NotEmpty().WithMessage("确认密码不能为空")
+            .Equal(x => x.Password).WithMessage("两次输入的密码不一致");
+
+        // 验证验证码ID
+        RuleFor(x => x.CaptchaId)
+            .NotEmpty().WithMessage("验证码ID不能为空");
+
+        // 验证验证码
+        RuleFor(x => x.CaptchaCode)
+            .NotEmpty().WithMessage("验证码不能为空")
+            .Length(4, 6).WithMessage("验证码长度必须在4-6个字符之间")
+            .Matches("^[A-Z0-9]+$").WithMessage("验证码只能包含大写字母和数字");
+
+        // 验证电话号码
+        RuleFor(x => x.PhoneNumber)
+            .Matches(@"^1[3-9]\d{9}$").When(x => !string.IsNullOrEmpty(x.PhoneNumber))
+            .WithMessage("电话号码格式不正确");
+    }
+} 

src/CellularManagement.Application/Features/Auth/Commands/RegisterUser/RegisterUserResponse.cs

@@ -0,0 +1,20 @@
+namespace CellularManagement.Application.Features.Auth.Commands.RegisterUser;
+
+/// <summary>
+/// 用户注册响应
+/// </summary>
+public sealed record RegisterUserResponse(
+    /// <summary>
+    /// 用户ID
+    /// </summary>
+    string Id,
+
+    /// <summary>
+    /// 账号
+    /// </summary>
+    string UserName,
+
+    /// <summary>
+    /// 用户名
+    /// </summary>
+    string RealName); 

src/CellularManagement.Application/Features/Auth/Commands/SendVerificationCode/SendVerificationCodeCommand.cs

@@ -0,0 +1,43 @@
+using MediatR;
+using CellularManagement.Domain.Common;
+
+namespace CellularManagement.Application.Features.Auth.Commands.SendVerificationCode;
+
+/// <summary>
+/// 发送验证码命令
+/// 用于请求向指定邮箱发送验证码
+/// </summary>
+public sealed record SendVerificationCodeCommand : IRequest<OperationResult<SendVerificationCodeResponse>>
+{
+    /// <summary>
+    /// 目标邮箱地址
+    /// </summary>
+    public string Email { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 图形验证码ID
+    /// </summary>
+    public string CaptchaId { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 图形验证码
+    /// </summary>
+    public string CaptchaCode { get; init; } = string.Empty;
+}
+
+/// <summary>
+/// 发送验证码响应
+/// 包含验证码发送的结果信息
+/// </summary>
+public sealed record SendVerificationCodeResponse
+{
+    /// <summary>
+    /// 是否发送成功
+    /// </summary>
+    public bool Success { get; init; }
+
+    /// <summary>
+    /// 验证码有效期（分钟）
+    /// </summary>
+    public int ExpirationMinutes { get; init; }
+} 

src/CellularManagement.Application/Features/Auth/Commands/SendVerificationCode/SendVerificationCodeCommandHandler.cs

@@ -0,0 +1,92 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Options;
+using CellularManagement.Domain.Services;
+using CellularManagement.Domain.Common;
+using CellularManagement.Domain.Options;
+using System.Threading;
+using System.Threading.Tasks;
+using System.Linq;
+
+namespace CellularManagement.Application.Features.Auth.Commands.SendVerificationCode;
+
+/// <summary>
+/// 发送验证码命令处理器
+/// 处理发送验证码的业务逻辑
+/// </summary>
+public sealed class SendVerificationCodeCommandHandler : IRequestHandler<SendVerificationCodeCommand, OperationResult<SendVerificationCodeResponse>>
+{
+    private readonly IEmailVerificationService _emailVerificationService;
+    private readonly ICaptchaVerificationService _captchaVerificationService;
+    private readonly ILogger<SendVerificationCodeCommandHandler> _logger;
+    private readonly EmailVerificationOptions _options;
+
+    /// <summary>
+    /// 构造函数
+    /// </summary>
+    /// <param name="emailVerificationService">邮箱验证服务</param>
+    /// <param name="captchaVerificationService">验证码验证服务</param>
+    /// <param name="logger">日志记录器</param>
+    /// <param name="options">邮箱验证码配置选项</param>
+    public SendVerificationCodeCommandHandler(
+        IEmailVerificationService emailVerificationService,
+        ICaptchaVerificationService captchaVerificationService,
+        ILogger<SendVerificationCodeCommandHandler> logger,
+        IOptions<EmailVerificationOptions> options)
+    {
+        _emailVerificationService = emailVerificationService;
+        _captchaVerificationService = captchaVerificationService;
+        _logger = logger;
+        _options = options.Value;
+    }
+
+    /// <summary>
+    /// 处理发送验证码请求
+    /// </summary>
+    /// <param name="request">发送验证码命令</param>
+    /// <param name="cancellationToken">取消令牌</param>
+    /// <returns>发送结果</returns>
+    public async Task<OperationResult<SendVerificationCodeResponse>> Handle(
+        SendVerificationCodeCommand request,
+        CancellationToken cancellationToken)
+    {
+        try
+        {
+            // 验证图形验证码
+           var(IsSuccess, errorMessage)  = await _captchaVerificationService.VerifyCaptchaAsync(request.CaptchaId, request.CaptchaCode);
+            if (!IsSuccess)
+            {
+                return OperationResult<SendVerificationCodeResponse>.CreateFailure(errorMessage ?? "验证码验证失败");
+            }
+
+            // 记录开始发送验证码
+            _logger.LogInformation("开始向邮箱 {Email} 发送验证码", request.Email);
+
+            // 调用服务发送验证码
+            var success = await _emailVerificationService.GenerateAndSendVerificationCodeAsync(request.Email);
+
+            if (!success)
+            {
+                _logger.LogWarning("向邮箱 {Email} 发送验证码失败", request.Email);
+                return OperationResult<SendVerificationCodeResponse>.CreateFailure("发送验证码失败");
+            }
+
+            // 记录发送成功
+            _logger.LogInformation("成功向邮箱 {Email} 发送验证码", request.Email);
+
+            // 返回成功响应
+            return OperationResult<SendVerificationCodeResponse>.CreateSuccess(
+                new SendVerificationCodeResponse
+                {
+                    Success = true,
+                    ExpirationMinutes = _options.VerificationCodeExpirationMinutes
+                });
+        }
+        catch (System.Exception ex)
+        {
+            // 记录异常
+            _logger.LogError(ex, "向邮箱 {Email} 发送验证码时发生异常", request.Email);
+            return OperationResult<SendVerificationCodeResponse>.CreateFailure("发送验证码时发生错误");
+        }
+    }
+}

src/CellularManagement.Application/Features/Auth/Commands/VerifyCode/VerifyCodeCommand.cs

@@ -0,0 +1,38 @@
+using MediatR;
+using CellularManagement.Domain.Common;
+
+namespace CellularManagement.Application.Features.Auth.Commands.VerifyCode;
+
+/// <summary>
+/// 验证验证码命令
+/// 用于验证用户输入的验证码是否正确
+/// </summary>
+public sealed record VerifyCodeCommand : IRequest<OperationResult<VerifyCodeResponse>>
+{
+    /// <summary>
+    /// 邮箱地址
+    /// </summary>
+    public string Email { get; init; } = string.Empty;
+
+    /// <summary>
+    /// 用户输入的验证码
+    /// </summary>
+    public string Code { get; init; } = string.Empty;
+}
+
+/// <summary>
+/// 验证验证码响应
+/// 包含验证结果信息
+/// </summary>
+public sealed record VerifyCodeResponse
+{
+    /// <summary>
+    /// 验证是否成功
+    /// </summary>
+    public bool Success { get; init; }
+
+    /// <summary>
+    /// 验证失败的原因（如果验证失败）
+    /// </summary>
+    public string? FailureReason { get; init; }
+} 

src/CellularManagement.Application/Features/Auth/Commands/VerifyCode/VerifyCodeCommandHandler.cs

@@ -0,0 +1,78 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using CellularManagement.Domain.Services;
+using CellularManagement.Domain.Common;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace CellularManagement.Application.Features.Auth.Commands.VerifyCode;
+
+/// <summary>
+/// 验证验证码命令处理器
+/// 处理验证码验证的业务逻辑
+/// </summary>
+public sealed class VerifyCodeCommandHandler : IRequestHandler<VerifyCodeCommand, OperationResult<VerifyCodeResponse>>
+{
+    private readonly IEmailVerificationService _emailVerificationService;
+    private readonly ILogger<VerifyCodeCommandHandler> _logger;
+
+    /// <summary>
+    /// 构造函数
+    /// </summary>
+    /// <param name="emailVerificationService">邮箱验证服务</param>
+    /// <param name="logger">日志记录器</param>
+    public VerifyCodeCommandHandler(
+        IEmailVerificationService emailVerificationService,
+        ILogger<VerifyCodeCommandHandler> logger)
+    {
+        _emailVerificationService = emailVerificationService;
+        _logger = logger;
+    }
+
+    /// <summary>
+    /// 处理验证验证码请求
+    /// </summary>
+    /// <param name="request">验证验证码命令</param>
+    /// <param name="cancellationToken">取消令牌</param>
+    /// <returns>验证结果</returns>
+    public async Task<OperationResult<VerifyCodeResponse>> Handle(
+        VerifyCodeCommand request,
+        CancellationToken cancellationToken)
+    {
+        try
+        {
+            // 记录开始验证
+            _logger.LogInformation("开始验证邮箱 {Email} 的验证码", request.Email);
+
+            // 调用服务验证验证码
+            var isValid = await _emailVerificationService.VerifyCodeAsync(request.Email, request.Code);
+
+            if (!isValid)
+            {
+                _logger.LogWarning("邮箱 {Email} 的验证码验证失败", request.Email);
+                return OperationResult<VerifyCodeResponse>.CreateSuccess(
+                    new VerifyCodeResponse
+                    {
+                        Success = false,
+                        FailureReason = "验证码无效或已过期"
+                    });
+            }
+
+            // 记录验证成功
+            _logger.LogInformation("邮箱 {Email} 的验证码验证成功", request.Email);
+
+            // 返回成功响应
+            return OperationResult<VerifyCodeResponse>.CreateSuccess(
+                new VerifyCodeResponse
+                {
+                    Success = true
+                });
+        }
+        catch (System.Exception ex)
+        {
+            // 记录异常
+            _logger.LogError(ex, "验证邮箱 {Email} 的验证码时发生异常", request.Email);
+            return OperationResult<VerifyCodeResponse>.CreateFailure("验证验证码时发生错误");
+        }
+    }
+} 

src/CellularManagement.Application/Features/Auth/Models/AuthenticateUserResponse.cs

@@ -0,0 +1,21 @@
+using System;
+
+namespace CellularManagement.Application.Features.Auth.Models;
+
+/// <summary>
+/// 账号登录响应
+/// </summary>
+public class AuthenticateUserResponse : LoginResponse
+{
+    /// <summary>
+    /// 初始化响应
+    /// </summary>
+    public AuthenticateUserResponse(
+        string accessToken,
+        string refreshToken,
+        DateTime expiresAt,
+        UserInfo user)
+        : base(accessToken, refreshToken, expiresAt, user)
+    {
+    }
+} 

src/CellularManagement.Application/Features/Auth/Models/EmailLoginResponse.cs

@@ -0,0 +1,21 @@
+using System;
+
+namespace CellularManagement.Application.Features.Auth.Models;
+
+/// <summary>
+/// 邮箱登录响应
+/// </summary>
+public class EmailLoginResponse : LoginResponse
+{
+    /// <summary>
+    /// 初始化响应
+    /// </summary>
+    public EmailLoginResponse(
+        string accessToken,
+        string refreshToken,
+        DateTime expiresAt,
+        UserInfo user)
+        : base(accessToken, refreshToken, expiresAt, user)
+    {
+    }
+} 

src/CellularManagement.Application/Features/Auth/Models/LoginResponse.cs

@@ -0,0 +1,44 @@
+using System;
+
+namespace CellularManagement.Application.Features.Auth.Models;
+
+/// <summary>
+/// 登录响应基类
+/// </summary>
+public abstract class LoginResponse
+{
+    /// <summary>
+    /// 访问令牌
+    /// </summary>
+    public string AccessToken { get; }
+
+    /// <summary>
+    /// 刷新令牌
+    /// </summary>
+    public string RefreshToken { get; }
+
+    /// <summary>
+    /// 过期时间
+    /// </summary>
+    public DateTime ExpiresAt { get; }
+
+    /// <summary>
+    /// 用户信息
+    /// </summary>
+    public UserInfo User { get; }
+
+    /// <summary>
+    /// 初始化响应
+    /// </summary>
+    protected LoginResponse(
+        string accessToken,
+        string refreshToken,
+        DateTime expiresAt,
+        UserInfo user)
+    {
+        AccessToken = accessToken;
+        RefreshToken = refreshToken;
+        ExpiresAt = expiresAt;
+        User = user;
+    }
+} 

src/CellularManagement.Application/Features/Auth/Models/UserInfo.cs

@@ -0,0 +1,65 @@
+using System.Collections.Generic;
+
+namespace CellularManagement.Application.Features.Auth.Models;
+
+/// <summary>
+/// 用户信息
+/// </summary>
+public class UserInfo
+{
+    /// <summary>
+    /// 用户ID
+    /// </summary>
+    public string Id { get; }
+
+    /// <summary>
+    /// 用户名
+    /// </summary>
+    public string UserName { get; }
+
+    /// <summary>
+    /// 真实姓名
+    /// </summary>
+    public string? RealName { get; }
+
+    /// <summary>
+    /// 邮箱
+    /// </summary>
+    public string Email { get; }
+
+    /// <summary>
+    /// 手机号
+    /// </summary>
+    public string? PhoneNumber { get; }
+
+    /// <summary>
+    /// 角色列表
+    /// </summary>
+    public IReadOnlyList<string> Roles { get; }
+
+    /// <summary>
+    /// 权限字典
+    /// </summary>
+    public IReadOnlyDictionary<string, bool> Permissions { get; }
+
+    /// <summary>
+    /// 初始化用户信息
+    /// </summary>
+    public UserInfo(
+        string id,
+        string userName,
+        string? realName,
+        string email,
+        string? phoneNumber,
+        IReadOnlyList<string> roles,
+        IReadOnlyDictionary<string, bool> permissions)
+    {
+        Id = id;
+        UserName = userName;
+        RealName = realName;
+        Email = email;
+        PhoneNumber = phoneNumber;
+        Roles = roles;
+        Permissions = permissions;
+    }
+} 

src/CellularManagement.Application/Features/Devices/Commands/CreateDevice/CreateDeviceCommand.cs

@@ -0,0 +1,61 @@
+using CellularManagement.Domain.Common;
+using CellularManagement.Domain.Entities;
+using MediatR;
+using System.ComponentModel.DataAnnotations;
+
+namespace CellularManagement.Application.Features.Devices.Commands.CreateDevice;
+
+/// <summary>
+/// 创建设备命令
+/// </summary>
+public class CreateDeviceCommand : IRequest<OperationResult<Device>>
+{
+    /// <summary>
+    /// 设备名称
+    /// </summary>
+    [Required(ErrorMessage = "设备名称不能为空")]
+    [MaxLength(100, ErrorMessage = "设备名称不能超过100个字符")]
+    public string DeviceName { get; set; }
+
+    /// <summary>
+    /// 协议版本
+    /// </summary>
+    [MaxLength(50, ErrorMessage = "协议版本不能超过50个字符")]
+    public string ProtocolVersion { get; set; }
+
+    /// <summary>
+    /// 支持的频段
+    /// </summary>
+    [MaxLength(100, ErrorMessage = "支持的频段不能超过100个字符")]
+    public string SupportBands { get; set; }
+
+    /// <summary>
+    /// 硬件版本
+    /// </summary>
+    [MaxLength(50, ErrorMessage = "硬件版本不能超过50个字符")]
+    public string HardwareVersion { get; set; }
+
+    /// <summary>
+    /// 序列号
+    /// </summary>
+    [Required(ErrorMessage = "序列号不能为空")]
+    [MaxLength(100, ErrorMessage = "序列号不能超过100个字符")]
+    public string SerialNumber { get; set; }
+
+    /// <summary>
+    /// 备注
+    /// </summary>
+    [MaxLength(500, ErrorMessage = "备注不能超过500个字符")]
+    public string Comment { get; set; }
+
+    /// <summary>
+    /// IP地址
+    /// </summary>
+    [MaxLength(50, ErrorMessage = "IP地址不能超过50个字符")]
+    public string IPAddress { get; set; }
+
+    /// <summary>
+    /// 是否禁用
+    /// </summary>
+    public bool IsDisabled { get; set; }
+} 

src/CellularManagement.Application/Features/Devices/Commands/CreateDevice/CreateDeviceCommandHandler.cs

@@ -0,0 +1,72 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using CellularManagement.Domain.Common;
+using CellularManagement.Domain.Entities;
+using CellularManagement.Domain.Repositories;
+
+namespace CellularManagement.Application.Features.Devices.Commands.CreateDevice;
+
+/// <summary>
+/// 创建设备命令处理器
+/// </summary>
+public class CreateDeviceCommandHandler : IRequestHandler<CreateDeviceCommand, OperationResult<Device>>
+{
+    private readonly IDeviceRepository _deviceRepository;
+    private readonly ILogger<CreateDeviceCommandHandler> _logger;
+
+    /// <summary>
+    /// 初始化命令处理器
+    /// </summary>
+    public CreateDeviceCommandHandler(
+        IDeviceRepository deviceRepository,
+        ILogger<CreateDeviceCommandHandler> logger)
+    {
+        _deviceRepository = deviceRepository;
+        _logger = logger;
+    }
+
+    /// <summary>
+    /// 处理创建设备命令
+    /// </summary>
+    public async Task<OperationResult<Device>> Handle(CreateDeviceCommand request, CancellationToken cancellationToken)
+    {
+        try
+        {
+            _logger.LogInformation("Creating new device with serial number: {SerialNumber}", request.SerialNumber);
+
+            // 检查序列号是否已存在
+            if (await _deviceRepository.ExistsBySerialNumberAsync(request.SerialNumber, cancellationToken: cancellationToken))
+            {
+                _logger.LogWarning("Device with serial number {SerialNumber} already exists", request.SerialNumber);
+                return OperationResult<Device>.CreateFailure($"设备序列号 {request.SerialNumber} 已存在");
+            }
+
+            // 创建设备实体
+            var device = new Device
+            {
+                DeviceID = Guid.NewGuid().ToString(),
+                DeviceName = request.DeviceName,
+                ProtocolVersion = request.ProtocolVersion,
+                SupportBands = request.SupportBands,
+                HardwareVersion = request.HardwareVersion,
+                SerialNumber = request.SerialNumber,
+                Comment = request.Comment,
+                IPAddress = request.IPAddress,
+                IsDisabled = false,
+                CreatedAt = DateTime.UtcNow,
+                UpdatedAt = DateTime.UtcNow
+            };
+
+            // 保存设备
+            await _deviceRepository.CreateAsync(device, cancellationToken);
+
+            _logger.LogInformation("Successfully created device with ID: {DeviceId}", device.DeviceID);
+            return OperationResult<Device>.CreateSuccess("设备创建成功", device);
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Error creating device with serial number: {SerialNumber}", request.SerialNumber);
+            return OperationResult<Device>.CreateFailure($"创建设备时发生错误: {ex.Message}");
+        }
+    }
+} 

src/CellularManagement.Application/Features/Devices/Commands/DeleteDevice/DeleteDeviceCommand.cs

@@ -0,0 +1,25 @@
+using CellularManagement.Domain.Common;
+using MediatR;
+using System.ComponentModel.DataAnnotations;
+
+namespace CellularManagement.Application.Features.Devices.Commands.DeleteDevice;
+
+/// <summary>
+/// 删除设备命令
+/// </summary>
+public class DeleteDeviceCommand : IRequest<OperationResult<bool>>
+{
+    /// <summary>
+    /// 设备ID
+    /// </summary>
+    [Required(ErrorMessage = "设备ID不能为空")]
+    public string DeviceId { get; set; }
+
+    /// <summary>
+    /// 初始化删除设备命令
+    /// </summary>
+    public DeleteDeviceCommand(string deviceId)
+    {
+        DeviceId = deviceId;
+    }
+} 

src/CellularManagement.Application/Features/Devices/Commands/DeleteDevice/DeleteDeviceCommandHandler.cs

@@ -0,0 +1,55 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using CellularManagement.Domain.Common;
+using CellularManagement.Domain.Repositories;
+
+namespace CellularManagement.Application.Features.Devices.Commands.DeleteDevice;
+
+/// <summary>
+/// 删除设备命令处理器
+/// </summary>
+public class DeleteDeviceCommandHandler : IRequestHandler<DeleteDeviceCommand, OperationResult<bool>>
+{
+    private readonly IDeviceRepository _deviceRepository;
+    private readonly ILogger<DeleteDeviceCommandHandler> _logger;
+
+    /// <summary>
+    /// 初始化删除设备命令处理器
+    /// </summary>
+    public DeleteDeviceCommandHandler(
+        IDeviceRepository deviceRepository,
+        ILogger<DeleteDeviceCommandHandler> logger)
+    {
+        _deviceRepository = deviceRepository;
+        _logger = logger;
+    }
+
+    /// <summary>
+    /// 处理删除设备命令
+    /// </summary>
+    public async Task<OperationResult<bool>> Handle(DeleteDeviceCommand request, CancellationToken cancellationToken)
+    {
+        try
+        {
+            _logger.LogInformation("开始处理删除设备命令，设备ID: {DeviceId}", request.DeviceId);
+
+            var result = await _deviceRepository.DeleteByIdAsync(request.DeviceId, cancellationToken);
+            
+            if (result)
+            {
+                _logger.LogInformation("设备删除成功，设备ID: {DeviceId}", request.DeviceId);
+                return OperationResult<bool>.CreateSuccess(true);
+            }
+            else
+            {
+                _logger.LogWarning("设备删除失败，设备ID: {DeviceId}", request.DeviceId);
+                return OperationResult<bool>.CreateFailure("设备删除失败");
+            }
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "删除设备时发生错误，设备ID: {DeviceId}", request.DeviceId);
+            return OperationResult<bool>.CreateFailure($"删除设备时发生错误: {ex.Message}");
+        }
+    }
+} 

src/CellularManagement.Application/Features/Devices/Commands/UpdateDevice/UpdateDeviceCommand.cs

@@ -0,0 +1,67 @@
+using CellularManagement.Domain.Common;
+using CellularManagement.Domain.Entities;
+using MediatR;
+using System.ComponentModel.DataAnnotations;
+
+namespace CellularManagement.Application.Features.Devices.Commands.UpdateDevice;
+
+/// <summary>
+/// 更新设备命令
+/// </summary>
+public class UpdateDeviceCommand : IRequest<OperationResult<Device>>
+{
+    /// <summary>
+    /// 设备ID
+    /// </summary>
+    [Required(ErrorMessage = "设备ID不能为空")]
+    public string DeviceID { get; set; }
+
+    /// <summary>
+    /// 设备名称
+    /// </summary>
+    [Required(ErrorMessage = "设备名称不能为空")]
+    [MaxLength(100, ErrorMessage = "设备名称不能超过100个字符")]
+    public string DeviceName { get; set; }
+
+    /// <summary>
+    /// 协议版本
+    /// </summary>
+    [MaxLength(50, ErrorMessage = "协议版本不能超过50个字符")]
+    public string ProtocolVersion { get; set; }
+
+    /// <summary>
+    /// 支持的频段
+    /// </summary>
+    [MaxLength(100, ErrorMessage = "支持的频段不能超过100个字符")]
+    public string SupportBands { get; set; }
+
+    /// <summary>
+    /// 硬件版本
+    /// </summary>
+    [MaxLength(50, ErrorMessage = "硬件版本不能超过50个字符")]
+    public string HardwareVersion { get; set; }
+
+    /// <summary>
+    /// 序列号
+    /// </summary>
+    [Required(ErrorMessage = "序列号不能为空")]
+    [MaxLength(100, ErrorMessage = "序列号不能超过100个字符")]
+    public string SerialNumber { get; set; }
+
+    /// <summary>
+    /// 备注
+    /// </summary>
+    [MaxLength(500, ErrorMessage = "备注不能超过500个字符")]
+    public string Comment { get; set; }
+
+    /// <summary>
+    /// IP地址
+    /// </summary>
+    [MaxLength(50, ErrorMessage = "IP地址不能超过50个字符")]
+    public string IPAddress { get; set; }
+
+    /// <summary>
+    /// 是否禁用
+    /// </summary>
+    public bool IsDisabled { get; set; }
+} 

src/CellularManagement.Application/Features/Devices/Commands/UpdateDevice/UpdateDeviceCommandHandler.cs

@@ -0,0 +1,83 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using CellularManagement.Domain.Common;
+using CellularManagement.Domain.Entities;
+using CellularManagement.Domain.Repositories;
+
+namespace CellularManagement.Application.Features.Devices.Commands.UpdateDevice;
+
+/// <summary>
+/// 更新设备命令处理器
+/// </summary>
+public class UpdateDeviceCommandHandler : IRequestHandler<UpdateDeviceCommand, OperationResult<Device>>
+{
+    private readonly IDeviceRepository _deviceRepository;
+    private readonly ILogger<UpdateDeviceCommandHandler> _logger;
+
+    /// <summary>
+    /// 初始化命令处理器
+    /// </summary>
+    public UpdateDeviceCommandHandler(
+        IDeviceRepository deviceRepository,
+        ILogger<UpdateDeviceCommandHandler> logger)
+    {
+        _deviceRepository = deviceRepository;
+        _logger = logger;
+    }
+
+    /// <summary>
+    /// 处理更新设备命令
+    /// </summary>
+    public async Task<OperationResult<Device>> Handle(UpdateDeviceCommand request, CancellationToken cancellationToken)
+    {
+        try
+        {
+            _logger.LogInformation("Updating device with ID: {DeviceId}", request.DeviceID);
+
+            // 检查设备是否存在
+            var existingDevice = await _deviceRepository.GetByIdAsync(request.DeviceID, cancellationToken);
+            if (existingDevice == null)
+            {
+                _logger.LogWarning("Device not found with ID: {DeviceId}", request.DeviceID);
+                return OperationResult<Device>.CreateFailure($"未找到ID为 {request.DeviceID} 的设备");
+            }
+
+            // 如果序列号发生变化，检查新序列号是否已存在
+            if (existingDevice.SerialNumber != request.SerialNumber)
+            {
+                if (await _deviceRepository.ExistsBySerialNumberAsync(request.SerialNumber, request.DeviceID, cancellationToken))
+                {
+                    _logger.LogWarning("Device with serial number {SerialNumber} already exists", request.SerialNumber);
+                    return OperationResult<Device>.CreateFailure($"设备序列号 {request.SerialNumber} 已存在");
+                }
+            }
+
+            // 更新设备属性
+            existingDevice.DeviceName = request.DeviceName;
+            existingDevice.ProtocolVersion = request.ProtocolVersion;
+            existingDevice.SupportBands = request.SupportBands;
+            existingDevice.HardwareVersion = request.HardwareVersion;
+            existingDevice.SerialNumber = request.SerialNumber;
+            existingDevice.Comment = request.Comment;
+            existingDevice.IPAddress = request.IPAddress;
+            existingDevice.IsDisabled = request.IsDisabled;
+            existingDevice.UpdatedAt = DateTime.UtcNow;
+
+            // 保存更新
+            var result = await _deviceRepository.UpdateAsync(existingDevice, cancellationToken);
+            if (!result)
+            {
+                _logger.LogWarning("Failed to update device with ID: {DeviceId}", request.DeviceID);
+                return OperationResult<Device>.CreateFailure("更新设备失败");
+            }
+
+            _logger.LogInformation("Successfully updated device with ID: {DeviceId}", request.DeviceID);
+            return OperationResult<Device>.CreateSuccess("设备更新成功", existingDevice);
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Error updating device with ID: {DeviceId}", request.DeviceID);
+            return OperationResult<Device>.CreateFailure($"更新设备时发生错误: {ex.Message}");
+        }
+    }
+} 

src/CellularManagement.Application/Features/Devices/Queries/GetDeviceById/GetDeviceByIdQuery.cs

@@ -0,0 +1,26 @@
+using CellularManagement.Domain.Common;
+using CellularManagement.Domain.Entities;
+using MediatR;
+using System.ComponentModel.DataAnnotations;
+
+namespace CellularManagement.Application.Features.Devices.Queries.GetDeviceById;
+
+/// <summary>
+/// 根据ID获取设备查询
+/// </summary>
+public class GetDeviceByIdQuery : IRequest<OperationResult<Device>>
+{
+    /// <summary>
+    /// 设备ID
+    /// </summary>
+    [Required(ErrorMessage = "设备ID不能为空")]
+    public string DeviceId { get; set; }
+
+    /// <summary>
+    /// 初始化查询
+    /// </summary>
+    public GetDeviceByIdQuery(string deviceId)
+    {
+        DeviceId = deviceId;
+    }
+} 

src/CellularManagement.Application/Features/Devices/Queries/GetDeviceById/GetDeviceByIdQueryHandler.cs

@@ -0,0 +1,54 @@
+using CellularManagement.Domain.Common;
+using CellularManagement.Domain.Entities;
+using CellularManagement.Domain.Repositories;
+using MediatR;
+using Microsoft.Extensions.Logging;
+
+namespace CellularManagement.Application.Features.Devices.Queries.GetDeviceById;
+
+/// <summary>
+/// 根据ID获取设备查询处理器
+/// </summary>
+public class GetDeviceByIdQueryHandler : IRequestHandler<GetDeviceByIdQuery, OperationResult<Device>>
+{
+    private readonly IDeviceRepository _deviceRepository;
+    private readonly ILogger<GetDeviceByIdQueryHandler> _logger;
+
+    /// <summary>
+    /// 初始化查询处理器
+    /// </summary>
+    public GetDeviceByIdQueryHandler(
+        IDeviceRepository deviceRepository,
+        ILogger<GetDeviceByIdQueryHandler> logger)
+    {
+        _deviceRepository = deviceRepository;
+        _logger = logger;
+    }
+
+    /// <summary>
+    /// 处理查询请求
+    /// </summary>
+    public async Task<OperationResult<Device>> Handle(GetDeviceByIdQuery request, CancellationToken cancellationToken)
+    {
+        try
+        {
+            _logger.LogInformation("开始查询设备，设备ID: {DeviceId}", request.DeviceId);
+
+            var device = await _deviceRepository.GetByIdAsync(request.DeviceId, cancellationToken);
+            
+            if (device == null)
+            {
+                _logger.LogWarning("未找到设备，设备ID: {DeviceId}", request.DeviceId);
+                return OperationResult<Device>.CreateFailure($"未找到ID为 {request.DeviceId} 的设备");
+            }
+
+            _logger.LogInformation("成功查询到设备，设备ID: {DeviceId}", request.DeviceId);
+            return OperationResult<Device>.CreateSuccess(device);
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "查询设备时发生错误，设备ID: {DeviceId}", request.DeviceId);
+            return OperationResult<Device>.CreateFailure($"查询设备时发生错误: {ex.Message}");
+        }
+    }
+} 

src/CellularManagement.Application/Features/Devices/Queries/GetDevices/DeviceDto.cs

@@ -0,0 +1,64 @@
+using System;
+
+namespace CellularManagement.Application.Features.Devices.Queries.GetDevices;
+
+/// <summary>
+/// 设备数据传输对象
+/// </summary>
+public class DeviceDto
+{
+    /// <summary>
+    /// 设备ID
+    /// </summary>
+    public string DeviceId { get; set; }
+
+    /// <summary>
+    /// 设备名称
+    /// </summary>
+    public string DeviceName { get; set; }
+
+    /// <summary>
+    /// 协议版本
+    /// </summary>
+    public string ProtocolVersion { get; set; }
+
+    /// <summary>
+    /// 支持的频段
+    /// </summary>
+    public string SupportBands { get; set; }
+
+    /// <summary>
+    /// 硬件版本
+    /// </summary>
+    public string HardwareVersion { get; set; }
+
+    /// <summary>
+    /// 序列号
+    /// </summary>
+    public string SerialNumber { get; set; }
+
+    /// <summary>
+    /// 备注
+    /// </summary>
+    public string Comment { get; set; }
+
+    /// <summary>
+    /// IP地址
+    /// </summary>
+    public string IPAddress { get; set; }
+
+    /// <summary>
+    /// 是否禁用
+    /// </summary>
+    public bool IsDisabled { get; set; }
+
+    /// <summary>
+    /// 创建时间
+    /// </summary>
+    public DateTime CreatedAt { get; set; }
+
+    /// <summary>
+    /// 更新时间
+    /// </summary>
+    public DateTime UpdatedAt { get; set; }
+} 

src/CellularManagement.Application/Features/Devices/Queries/GetDevices/GetDevicesQuery.cs

@@ -0,0 +1,34 @@
+using CellularManagement.Domain.Common;
+using MediatR;
+using System.ComponentModel.DataAnnotations;
+
+namespace CellularManagement.Application.Features.Devices.Queries.GetDevices;
+
+/// <summary>
+/// 获取设备列表查询
+/// </summary>
+public class GetDevicesQuery : IRequest<OperationResult<GetDevicesResponse>>
+{
+    /// <summary>
+    /// 页码，从1开始
+    /// </summary>
+    [Range(1, int.MaxValue, ErrorMessage = "页码必须大于0")]
+    public int PageNumber { get; set; } = 1;
+
+    /// <summary>
+    /// 每页记录数
+    /// </summary>
+    [Range(1, 100, ErrorMessage = "每页记录数必须在1-100之间")]
+    public int PageSize { get; set; } = 10;
+
+    /// <summary>
+    /// 搜索关键词
+    /// </summary>
+    [MaxLength(100, ErrorMessage = "搜索关键词不能超过100个字符")]
+    public string? SearchTerm { get; set; }
+
+    /// <summary>
+    /// 是否禁用
+    /// </summary>
+    public bool? IsDisabled { get; set; }
+} 

src/CellularManagement.Application/Features/Devices/Queries/GetDevices/GetDevicesQueryHandler.cs

@@ -0,0 +1,92 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using CellularManagement.Domain.Common;
+using CellularManagement.Domain.Entities;
+using CellularManagement.Domain.Repositories;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+
+namespace CellularManagement.Application.Features.Devices.Queries.GetDevices;
+
+/// <summary>
+/// 获取设备列表查询处理器
+/// </summary>
+public class GetDevicesQueryHandler : IRequestHandler<GetDevicesQuery, OperationResult<GetDevicesResponse>>
+{
+    private readonly IDeviceRepository _deviceRepository;
+    private readonly ILogger<GetDevicesQueryHandler> _logger;
+
+    /// <summary>
+    /// 初始化查询处理器
+    /// </summary>
+    public GetDevicesQueryHandler(
+        IDeviceRepository deviceRepository,
+        ILogger<GetDevicesQueryHandler> logger)
+    {
+        _deviceRepository = deviceRepository;
+        _logger = logger;
+    }
+
+    /// <summary>
+    /// 处理获取设备列表查询
+    /// </summary>
+    public async Task<OperationResult<GetDevicesResponse>> Handle(GetDevicesQuery request, CancellationToken cancellationToken)
+    {
+        try
+        {
+            // 验证请求参数
+            var validationContext = new ValidationContext(request);
+            var validationResults = new List<ValidationResult>();
+            if (!Validator.TryValidateObject(request, validationContext, validationResults, true))
+            {
+                var errorMessages = validationResults.Select(r => r.ErrorMessage).ToList();
+                _logger.LogWarning("Invalid request parameters: {Errors}", string.Join(", ", errorMessages));
+                return OperationResult<GetDevicesResponse>.CreateFailure(errorMessages);
+            }
+
+            _logger.LogInformation("Getting devices with page: {PageNumber}, size: {PageSize}, search: {SearchTerm}, isDisabled: {IsDisabled}",
+                request.PageNumber, request.PageSize, request.SearchTerm, request.IsDisabled);
+
+            // 获取分页数据
+            var (totalCount, items) = await _deviceRepository.GetPagedAsync(
+                request.PageNumber,
+                request.PageSize,
+                request.SearchTerm,
+                request.IsDisabled,
+                cancellationToken);
+
+            // 构建响应
+            var response = new GetDevicesResponse
+            {
+                TotalCount = totalCount,
+                PageNumber = request.PageNumber,
+                PageSize = request.PageSize,
+                TotalPages = (int)Math.Ceiling(totalCount / (double)request.PageSize),
+                HasPreviousPage = request.PageNumber > 1,
+                HasNextPage = request.PageNumber < (int)Math.Ceiling(totalCount / (double)request.PageSize),
+                Items = items.Select(d => new DeviceDto
+                {
+                    DeviceId = d.DeviceID,
+                    DeviceName = d.DeviceName,
+                    ProtocolVersion = d.ProtocolVersion,
+                    SupportBands = d.SupportBands,
+                    HardwareVersion = d.HardwareVersion,
+                    SerialNumber = d.SerialNumber,
+                    Comment = d.Comment,
+                    IPAddress = d.IPAddress,
+                    IsDisabled = d.IsDisabled,
+                    CreatedAt = d.CreatedAt,
+                    UpdatedAt = d.UpdatedAt
+                }).ToList()
+            };
+
+            _logger.LogInformation("Successfully retrieved {Count} devices", items.Count());
+            return OperationResult<GetDevicesResponse>.CreateSuccess(response);
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Error getting devices");
+            return OperationResult<GetDevicesResponse>.CreateFailure($"获取设备列表时发生错误: {ex.Message}");
+        }
+    }
+} 

src/CellularManagement.Application/Features/Devices/Queries/GetDevices/GetDevicesResponse.cs

@@ -0,0 +1,44 @@
+using System.Collections.Generic;
+
+namespace CellularManagement.Application.Features.Devices.Queries.GetDevices;
+
+/// <summary>
+/// 设备列表响应
+/// </summary>
+public class GetDevicesResponse
+{
+    /// <summary>
+    /// 总记录数
+    /// </summary>
+    public int TotalCount { get; set; }
+
+    /// <summary>
+    /// 当前页码
+    /// </summary>
+    public int PageNumber { get; set; }
+
+    /// <summary>
+    /// 每页记录数
+    /// </summary>
+    public int PageSize { get; set; }
+
+    /// <summary>
+    /// 总页数
+    /// </summary>
+    public int TotalPages { get; set; }
+
+    /// <summary>
+    /// 是否有上一页
+    /// </summary>
+    public bool HasPreviousPage { get; set; }
+
+    /// <summary>
+    /// 是否有下一页
+    /// </summary>
+    public bool HasNextPage { get; set; }
+
+    /// <summary>
+    /// 设备列表
+    /// </summary>
+    public List<DeviceDto> Items { get; set; } = new();
+} 

src/CellularManagement.Application/Features/Permissions/Commands/CreatePermission/CreatePermissionCommand.cs

@@ -0,0 +1,19 @@
+using MediatR;
+using CellularManagement.Application.Common;
+using CellularManagement.Domain.Common;
+
+namespace CellularManagement.Application.Features.Permissions.Commands.CreatePermission;
+
+/// <summary>
+/// 创建权限命令
+/// </summary>
+public sealed record CreatePermissionCommand(
+    /// <summary>
+    /// 权限名称
+    /// </summary>
+    string Name,
+    
+    /// <summary>
+    /// 权限描述
+    /// </summary>
+    string? Description) : IRequest<OperationResult<CreatePermissionResponse>>; 

src/CellularManagement.Application/Features/Permissions/Commands/CreatePermission/CreatePermissionCommandHandler.cs

@@ -0,0 +1,64 @@
+using System.Threading;
+using System.Threading.Tasks;
+using MediatR;
+using Microsoft.Extensions.Logging;
+using CellularManagement.Application.Common;
+using CellularManagement.Domain.Entities;
+using CellularManagement.Domain.Repositories;
+using CellularManagement.Domain.Common;
+using System;
+
+namespace CellularManagement.Application.Features.Permissions.Commands.CreatePermission;
+
+/// <summary>
+/// 创建权限命令处理器
+/// </summary>
+public sealed class CreatePermissionCommandHandler : IRequestHandler<CreatePermissionCommand, OperationResult<CreatePermissionResponse>>
+{
+    private readonly IPermissionRepository _permissionRepository;
+    private readonly ILogger<CreatePermissionCommandHandler> _logger;
+
+    /// <summary>
+    /// 初始化处理器
+    /// </summary>
+    public CreatePermissionCommandHandler(
+        IPermissionRepository permissionRepository,
+        ILogger<CreatePermissionCommandHandler> logger)
+    {
+        _permissionRepository = permissionRepository;
+        _logger = logger;
+    }
+
+    /// <summary>
+    /// 处理创建权限请求
+    /// </summary>
+    public async Task<OperationResult<CreatePermissionResponse>> Handle(
+        CreatePermissionCommand request,
+        CancellationToken cancellationToken)
+    {
+        try
+        {
+            // 检查权限是否已存在
+            var existingPermission = await _permissionRepository.GetByNameAsync(request.Name, cancellationToken);
+            if (existingPermission != null)
+            {
+                _logger.LogWarning("权限 {PermissionName} 已存在", request.Name);
+                return OperationResult<CreatePermissionResponse>.CreateFailure("权限已存在");
+            }
+
+            // 创建权限
+            var permission = Permission.Create(request.Name, request.Description);
+            var createdPermission = await _permissionRepository.AddAsync(permission, cancellationToken);
+
+            _logger.LogInformation("权限 {PermissionName} 创建成功", request.Name);
+
+            return OperationResult<CreatePermissionResponse>.CreateSuccess(
+                new CreatePermissionResponse(createdPermission.Id));
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "创建权限 {PermissionName} 失败", request.Name);
+            return OperationResult<CreatePermissionResponse>.CreateFailure("创建权限失败，请稍后重试");
+        }
+    }
+} 

src/CellularManagement.Application/Features/Permissions/Commands/CreatePermission/CreatePermissionResponse.cs

@@ -0,0 +1,10 @@
+namespace CellularManagement.Application.Features.Permissions.Commands.CreatePermission;
+
+/// <summary>
+/// 创建权限响应
+/// </summary>
+public sealed record CreatePermissionResponse(
+    /// <summary>
+    /// 权限ID
+    /// </summary>
+    string PermissionId); 

src/CellularManagement.Application/Features/RolePermissions/Commands/AddRolePermissions/AddRolePermissionsCommand.cs

@@ -0,0 +1,21 @@
+using System.Collections.Generic;
+using CellularManagement.Domain.Common;
+using MediatR;
+
+namespace CellularManagement.Application.Features.RolePermissions.Commands.AddRolePermissions;
+
+/// <summary>
+/// 添加角色权限命令
+/// </summary>
+public class AddRolePermissionsCommand : IRequest<OperationResult<AddRolePermissionsResponse>>
+{
+    /// <summary>
+    /// 角色ID
+    /// </summary>
+    public string RoleId { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 权限ID列表
+    /// </summary>
+    public IEnumerable<string> PermissionIds { get; set; } = new List<string>();
+} 

src/CellularManagement.Application/Features/RolePermissions/Commands/AddRolePermissions/AddRolePermissionsCommandHandler.cs

@@ -0,0 +1,76 @@
+using MediatR;
+using CellularManagement.Domain.Repositories;
+using Microsoft.Extensions.Logging;
+using CellularManagement.Domain.Common;
+using System.Threading.Tasks;
+using System.Threading;
+using System;
+using System.Linq;
+
+namespace CellularManagement.Application.Features.RolePermissions.Commands.AddRolePermissions;
+
+/// <summary>
+/// 添加角色权限命令处理器
+/// </summary>
+public class AddRolePermissionsCommandHandler : IRequestHandler<AddRolePermissionsCommand, OperationResult<AddRolePermissionsResponse>>
+{
+    private readonly IRolePermissionRepository _rolePermissionRepository;
+    private readonly ILogger<AddRolePermissionsCommandHandler> _logger;
+
+    public AddRolePermissionsCommandHandler(
+        IRolePermissionRepository rolePermissionRepository,
+        ILogger<AddRolePermissionsCommandHandler> logger)
+    {
+        _rolePermissionRepository = rolePermissionRepository;
+        _logger = logger;
+    }
+
+    public async Task<OperationResult<AddRolePermissionsResponse>> Handle(
+        AddRolePermissionsCommand request,
+        CancellationToken cancellationToken)
+    {
+        try
+        {
+            // 获取角色当前已有的权限
+            var existingPermissions = await _rolePermissionRepository.GetPermissionsByRoleIdAsync(request.RoleId, cancellationToken);
+            var existingPermissionIds = existingPermissions.Select(p => p.Id).ToList();
+
+            // 过滤出需要新增的权限ID
+            var newPermissionIds = request.PermissionIds.Except(existingPermissionIds).ToList();
+
+            if (!newPermissionIds.Any())
+            {
+                return OperationResult<AddRolePermissionsResponse>.CreateFailure("所有权限已存在，无需添加");
+            }
+
+            // 添加新的角色权限
+            var addedRolePermissions = await _rolePermissionRepository.AddRolePermissionsAsync(
+                request.RoleId,
+                newPermissionIds,
+                cancellationToken);
+
+            var response = new AddRolePermissionsResponse
+            {
+                AddedPermissionIds = newPermissionIds,
+                FailedPermissionIds = request.PermissionIds.Except(newPermissionIds)
+            };
+
+            _logger.LogInformation(
+                "成功为角色 {RoleId} 添加 {Count} 个权限",
+                request.RoleId,
+                newPermissionIds.Count);
+
+            return OperationResult<AddRolePermissionsResponse>.CreateSuccess(response);
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(
+                ex,
+                "为角色 {RoleId} 添加权限时发生错误",
+                request.RoleId);
+
+            return OperationResult<AddRolePermissionsResponse>.CreateFailure(
+                "添加角色权限失败，请稍后重试");
+        }
+    }
+} 

src/CellularManagement.Application/Features/RolePermissions/Commands/AddRolePermissions/AddRolePermissionsCommandValidator.cs

@@ -0,0 +1,19 @@
+using FluentValidation;
+
+namespace CellularManagement.Application.Features.RolePermissions.Commands.AddRolePermissions;
+
+/// <summary>
+/// 添加角色权限命令验证器
+/// </summary>
+public class AddRolePermissionsCommandValidator : AbstractValidator<AddRolePermissionsCommand>
+{
+    public AddRolePermissionsCommandValidator()
+    {
+        RuleFor(x => x.RoleId)
+            .NotEmpty().WithMessage("角色ID不能为空");
+
+        RuleFor(x => x.PermissionIds)
+            .NotEmpty().WithMessage("权限ID列表不能为空")
+            .Must(x => x.Any()).WithMessage("至少需要指定一个权限ID");
+    }
+} 

src/CellularManagement.Application/Features/RolePermissions/Commands/AddRolePermissions/AddRolePermissionsResponse.cs

@@ -0,0 +1,17 @@
+namespace CellularManagement.Application.Features.RolePermissions.Commands.AddRolePermissions;
+
+/// <summary>
+/// 添加角色权限响应
+/// </summary>
+public class AddRolePermissionsResponse
+{
+    /// <summary>
+    /// 添加成功的权限ID列表
+    /// </summary>
+    public IEnumerable<string> AddedPermissionIds { get; set; } = new List<string>();
+
+    /// <summary>
+    /// 添加失败的权限ID列表
+    /// </summary>
+    public IEnumerable<string> FailedPermissionIds { get; set; } = new List<string>();
+} 

src/CellularManagement.Application/Features/RolePermissions/Commands/DeleteRolePermissions/DeleteRolePermissionsCommand.cs

@@ -0,0 +1,21 @@
+using System.Collections.Generic;
+using CellularManagement.Domain.Common;
+using MediatR;
+
+namespace CellularManagement.Application.Features.RolePermissions.Commands.DeleteRolePermissions;
+
+/// <summary>
+/// 删除角色权限命令
+/// </summary>
+public class DeleteRolePermissionsCommand : IRequest<OperationResult<DeleteRolePermissionsResponse>>
+{
+    /// <summary>
+    /// 角色ID
+    /// </summary>
+    public string RoleId { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 要删除的权限ID列表
+    /// </summary>
+    public IEnumerable<string> PermissionIds { get; set; } = new List<string>();
+} 

src/CellularManagement.Application/Features/RolePermissions/Commands/DeleteRolePermissions/DeleteRolePermissionsCommandHandler.cs

@@ -0,0 +1,76 @@
+using MediatR;
+using CellularManagement.Domain.Repositories;
+using Microsoft.Extensions.Logging;
+using CellularManagement.Domain.Common;
+using System.Threading.Tasks;
+using System.Threading;
+using System.Linq;
+using System;
+
+namespace CellularManagement.Application.Features.RolePermissions.Commands.DeleteRolePermissions;
+
+/// <summary>
+/// 删除角色权限命令处理器
+/// </summary>
+public class DeleteRolePermissionsCommandHandler : IRequestHandler<DeleteRolePermissionsCommand, OperationResult<DeleteRolePermissionsResponse>>
+{
+    private readonly IRolePermissionRepository _rolePermissionRepository;
+    private readonly ILogger<DeleteRolePermissionsCommandHandler> _logger;
+
+    public DeleteRolePermissionsCommandHandler(
+        IRolePermissionRepository rolePermissionRepository,
+        ILogger<DeleteRolePermissionsCommandHandler> logger)
+    {
+        _rolePermissionRepository = rolePermissionRepository;
+        _logger = logger;
+    }
+
+    public async Task<OperationResult<DeleteRolePermissionsResponse>> Handle(
+        DeleteRolePermissionsCommand request,
+        CancellationToken cancellationToken)
+    {
+        try
+        {
+            // 获取角色当前已有的权限
+            var existingPermissions = await _rolePermissionRepository.GetPermissionsByRoleIdAsync(request.RoleId, cancellationToken);
+            var existingPermissionIds = existingPermissions.Select(p => p.Id).ToList();
+
+            // 过滤出实际存在的权限ID
+            var validPermissionIds = request.PermissionIds.Intersect(existingPermissionIds).ToList();
+
+            if (!validPermissionIds.Any())
+            {
+                return OperationResult<DeleteRolePermissionsResponse>.CreateFailure("指定的权限不存在，无需删除");
+            }
+
+            // 删除角色权限
+            var deletedCount = await _rolePermissionRepository.DeleteRolePermissionsAsync(
+                request.RoleId,
+                validPermissionIds,
+                cancellationToken);
+
+            var response = new DeleteRolePermissionsResponse
+            {
+                DeletedCount = deletedCount,
+                FailedPermissionIds = request.PermissionIds.Except(validPermissionIds)
+            };
+
+            _logger.LogInformation(
+                "成功从角色 {RoleId} 删除 {Count} 个权限",
+                request.RoleId,
+                deletedCount);
+
+            return OperationResult<DeleteRolePermissionsResponse>.CreateSuccess(response);
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(
+                ex,
+                "从角色 {RoleId} 删除权限时发生错误",
+                request.RoleId);
+
+            return OperationResult<DeleteRolePermissionsResponse>.CreateFailure(
+                "删除角色权限失败，请稍后重试");
+        }
+    }
+} 

src/CellularManagement.Application/Features/RolePermissions/Commands/DeleteRolePermissions/DeleteRolePermissionsCommandValidator.cs

@@ -0,0 +1,19 @@
+using FluentValidation;
+
+namespace CellularManagement.Application.Features.RolePermissions.Commands.DeleteRolePermissions;
+
+/// <summary>
+/// 删除角色权限命令验证器
+/// </summary>
+public class DeleteRolePermissionsCommandValidator : AbstractValidator<DeleteRolePermissionsCommand>
+{
+    public DeleteRolePermissionsCommandValidator()
+    {
+        RuleFor(x => x.RoleId)
+            .NotEmpty().WithMessage("角色ID不能为空");
+
+        RuleFor(x => x.PermissionIds)
+            .NotEmpty().WithMessage("权限ID列表不能为空")
+            .Must(x => x.Any()).WithMessage("至少需要指定一个要删除的权限ID");
+    }
+} 

src/CellularManagement.Application/Features/RolePermissions/Commands/DeleteRolePermissions/DeleteRolePermissionsResponse.cs

@@ -0,0 +1,17 @@
+namespace CellularManagement.Application.Features.RolePermissions.Commands.DeleteRolePermissions;
+
+/// <summary>
+/// 删除角色权限响应
+/// </summary>
+public class DeleteRolePermissionsResponse
+{
+    /// <summary>
+    /// 成功删除的权限数量
+    /// </summary>
+    public int DeletedCount { get; set; }
+
+    /// <summary>
+    /// 删除失败的权限ID列表
+    /// </summary>
+    public IEnumerable<string> FailedPermissionIds { get; set; } = new List<string>();
+} 

src/CellularManagement.Application/Features/RolePermissions/Queries/GetRolePermissions/GetRolePermissionsQuery.cs

@@ -0,0 +1,20 @@
+using CellularManagement.Domain.Common;
+using MediatR;
+
+namespace CellularManagement.Application.Features.RolePermissions.Queries.GetRolePermissions;
+
+/// <summary>
+/// 获取角色权限查询命令
+/// </summary>
+public class GetRolePermissionsQuery : IRequest<OperationResult<GetRolePermissionsResponse>>
+{
+    /// <summary>
+    /// 角色ID
+    /// </summary>
+    public string RoleId { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 是否包含权限详情
+    /// </summary>
+    public bool IncludeDetails { get; set; } = true;
+} 

src/CellularManagement.Application/Features/RolePermissions/Queries/GetRolePermissions/GetRolePermissionsQueryHandler.cs

@@ -0,0 +1,70 @@
+using MediatR;
+using CellularManagement.Domain.Repositories;
+using Microsoft.Extensions.Logging;
+using CellularManagement.Domain.Common;
+using System.Threading.Tasks;
+using System.Threading;
+using System.Linq;
+using System;
+
+namespace CellularManagement.Application.Features.RolePermissions.Queries.GetRolePermissions;
+
+/// <summary>
+/// 获取角色权限查询处理器
+/// </summary>
+public class GetRolePermissionsQueryHandler : IRequestHandler<GetRolePermissionsQuery, OperationResult<GetRolePermissionsResponse>>
+{
+    private readonly IRolePermissionRepository _rolePermissionRepository;
+    private readonly ILogger<GetRolePermissionsQueryHandler> _logger;
+
+    public GetRolePermissionsQueryHandler(
+        IRolePermissionRepository rolePermissionRepository,
+        ILogger<GetRolePermissionsQueryHandler> logger)
+    {
+        _rolePermissionRepository = rolePermissionRepository;
+        _logger = logger;
+    }
+
+    public async Task<OperationResult<GetRolePermissionsResponse>> Handle(
+        GetRolePermissionsQuery request,
+        CancellationToken cancellationToken)
+    {
+        try
+        {
+            // 获取角色权限
+            var rolePermissions = await _rolePermissionRepository.GetRolePermissionsWithDetailsAsync(
+                request.RoleId,
+                cancellationToken);
+
+            if (!rolePermissions.Any())
+            {
+                return OperationResult<GetRolePermissionsResponse>.CreateFailure("未找到角色权限信息");
+            }
+
+            // 构建响应
+            var response = new GetRolePermissionsResponse
+            {
+                RoleId = request.RoleId,
+                RoleName = rolePermissions.First().Role.Name,
+                Permissions = rolePermissions.Select(rp => PermissionDto.FromEntity(rp.Permission))
+            };
+
+            _logger.LogInformation(
+                "成功获取角色 {RoleId} 的权限信息，共 {Count} 个权限",
+                request.RoleId,
+                response.Permissions.Count());
+
+            return OperationResult<GetRolePermissionsResponse>.CreateSuccess(response);
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(
+                ex,
+                "获取角色 {RoleId} 的权限信息时发生错误",
+                request.RoleId);
+
+            return OperationResult<GetRolePermissionsResponse>.CreateFailure(
+                "获取角色权限信息失败，请稍后重试");
+        }
+    }
+} 

src/CellularManagement.Application/Features/RolePermissions/Queries/GetRolePermissions/GetRolePermissionsResponse.cs

@@ -0,0 +1,65 @@
+using System.Collections.Generic;
+using CellularManagement.Domain.Entities;
+
+namespace CellularManagement.Application.Features.RolePermissions.Queries.GetRolePermissions;
+
+/// <summary>
+/// 获取角色权限响应
+/// </summary>
+public class GetRolePermissionsResponse
+{
+    /// <summary>
+    /// 角色ID
+    /// </summary>
+    public string RoleId { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 角色名称
+    /// </summary>
+    public string RoleName { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 权限列表
+    /// </summary>
+    public IEnumerable<PermissionDto> Permissions { get; set; } = new List<PermissionDto>();
+}
+
+/// <summary>
+/// 权限数据传输对象
+/// </summary>
+public class PermissionDto
+{
+    /// <summary>
+    /// 权限ID
+    /// </summary>
+    public string Id { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 权限名称
+    /// </summary>
+    public string Name { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 权限编码
+    /// </summary>
+    public string Code { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 权限描述
+    /// </summary>
+    public string Description { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 从权限实体创建DTO
+    /// </summary>
+    public static PermissionDto FromEntity(Permission permission)
+    {
+        return new PermissionDto
+        {
+            Id = permission.Id,
+            Name = permission.Name,
+            Code = permission.Code,
+            Description = permission.Description
+        };
+    }
+} 

src/CellularManagement.Application/Features/Roles/Commands/CreateRole/CreateRoleCommand.cs

@@ -0,0 +1,26 @@
+using CellularManagement.Domain.Common;
+using MediatR;
+
+namespace CellularManagement.Application.Features.Roles.Commands.CreateRole;
+
+/// <summary>
+/// 创建角色命令
+/// </summary>
+/// <example>
+/// {
+///     "name": "Manager",
+///     "description": "部门经理角色，拥有管理权限"
+/// }
+/// </example>
+public sealed record CreateRoleCommand(
+    /// <summary>
+    /// 角色名称
+    /// </summary>
+    /// <example>Manager</example>
+    string Name,
+    
+    /// <summary>
+    /// 角色描述
+    /// </summary>
+    /// <example>部门经理角色，拥有管理权限</example>
+    string? Description) : IRequest<OperationResult<CreateRoleResponse>>; 

src/CellularManagement.Application/Features/Roles/Commands/CreateRole/CreateRoleResponse.cs

@@ -0,0 +1,10 @@
+namespace CellularManagement.Application.Features.Roles.Commands.CreateRole;
+
+/// <summary>
+/// 创建角色响应
+/// </summary>
+public sealed record CreateRoleResponse(
+    /// <summary>
+    /// 角色ID
+    /// </summary>
+    string RoleId); 

src/CellularManagement.Application/Features/Roles/Commands/DeleteRole/DeleteRoleCommand.cs

@@ -0,0 +1,13 @@
+using CellularManagement.Domain.Common;
+using MediatR;
+
+namespace CellularManagement.Application.Features.Roles.Commands.DeleteRole;
+
+/// <summary>
+/// 删除角色命令
+/// </summary>
+public sealed record DeleteRoleCommand(
+    /// <summary>
+    /// 角色ID
+    /// </summary>
+    string RoleId) : IRequest<OperationResult<DeleteRoleResponse>>; 

src/CellularManagement.Application/Features/Roles/Commands/DeleteRole/DeleteRoleResponse.cs

@@ -0,0 +1,10 @@
+namespace CellularManagement.Application.Features.Roles.Commands.DeleteRole;
+
+/// <summary>
+/// 删除角色响应
+/// </summary>
+public sealed record DeleteRoleResponse(
+    /// <summary>
+    /// 是否删除成功
+    /// </summary>
+    bool Success); 

src/CellularManagement.Application/Features/Roles/Commands/RoleCommandHandler.cs

@@ -0,0 +1,117 @@
+using Microsoft.AspNetCore.Identity;
+using Microsoft.Extensions.Logging;
+using MediatR;
+using CellularManagement.Domain.Entities;
+using CellularManagement.Application.Features.Roles.Commands.CreateRole;
+using CellularManagement.Application.Features.Roles.Commands.DeleteRole;
+using CellularManagement.Domain.Common;
+using System.Linq;
+using System;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace CellularManagement.Application.Features.Roles.Commands;
+
+/// <summary>
+/// 角色命令处理器
+/// </summary>
+public sealed class RoleCommandHandler :
+    IRequestHandler<CreateRoleCommand, OperationResult<CreateRoleResponse>>,
+    IRequestHandler<DeleteRoleCommand, OperationResult<DeleteRoleResponse>>
+{
+    private readonly RoleManager<AppRole> _roleManager;
+    private readonly ILogger<RoleCommandHandler> _logger;
+
+    /// <summary>
+    /// 初始化处理器
+    /// </summary>
+    public RoleCommandHandler(
+        RoleManager<AppRole> roleManager,
+        ILogger<RoleCommandHandler> logger)
+    {
+        _roleManager = roleManager;
+        _logger = logger;
+    }
+
+    /// <summary>
+    /// 处理创建角色请求
+    /// </summary>
+    public async Task<OperationResult<CreateRoleResponse>> Handle(
+        CreateRoleCommand request,
+        CancellationToken cancellationToken)
+    {
+        try
+        {
+            // 检查角色是否已存在
+            var existingRole = await _roleManager.FindByNameAsync(request.Name);
+            if (existingRole != null)
+            {
+                _logger.LogWarning("角色 {RoleName} 已存在", request.Name);
+                return OperationResult<CreateRoleResponse>.CreateFailure("角色已存在");
+            }
+
+            // 创建角色
+            var role = new AppRole
+            {
+                Name = request.Name,
+                Description = request.Description
+            };
+
+            var result = await _roleManager.CreateAsync(role);
+            if (!result.Succeeded)
+            {
+                var errors = result.Errors.Select(e => e.Description).ToList();
+                _logger.LogWarning("创建角色失败: {Errors}", string.Join(", ", errors));
+                return OperationResult<CreateRoleResponse>.CreateFailure(errors);
+            }
+
+            _logger.LogInformation("角色 {RoleName} 创建成功", request.Name);
+
+            return OperationResult<CreateRoleResponse>.CreateSuccess(
+                new CreateRoleResponse(role.Id));
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "创建角色 {RoleName} 失败", request.Name);
+            return OperationResult<CreateRoleResponse>.CreateFailure("创建角色失败，请稍后重试");
+        }
+    }
+
+    /// <summary>
+    /// 处理删除角色请求
+    /// </summary>
+    public async Task<OperationResult<DeleteRoleResponse>> Handle(
+        DeleteRoleCommand request,
+        CancellationToken cancellationToken)
+    {
+        try
+        {
+            // 查找角色
+            var role = await _roleManager.FindByIdAsync(request.RoleId);
+            if (role == null)
+            {
+                _logger.LogWarning("角色 {RoleId} 不存在", request.RoleId);
+                return OperationResult<DeleteRoleResponse>.CreateFailure("角色不存在");
+            }
+
+            // 删除角色
+            var result = await _roleManager.DeleteAsync(role);
+            if (!result.Succeeded)
+            {
+                var errors = result.Errors.Select(e => e.Description).ToList();
+                _logger.LogWarning("删除角色失败: {Errors}", string.Join(", ", errors));
+                return OperationResult<DeleteRoleResponse>.CreateFailure(errors);
+            }
+
+            _logger.LogInformation("角色 {RoleId} 删除成功", request.RoleId);
+
+            return OperationResult<DeleteRoleResponse>.CreateSuccess(
+                new DeleteRoleResponse(true));
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "删除角色 {RoleId} 失败", request.RoleId);
+            return OperationResult<DeleteRoleResponse>.CreateFailure("删除角色失败，请稍后重试");
+        }
+    }
+} 

src/CellularManagement.Application/Features/Roles/Queries/GetAllRolesQuery.cs

@@ -0,0 +1,41 @@
+using MediatR;
+using CellularManagement.Application.Common;
+using System;
+using CellularManagement.Domain.Common;
+using System.Collections.Generic;
+
+namespace CellularManagement.Application.Features.Roles.Queries;
+
+/// <summary>
+/// 获取所有角色的查询，支持分页和按名称模糊查询
+/// </summary>
+public sealed record GetAllRolesQuery(
+    int PageNumber = 1,
+    int PageSize = 10,
+    string? RoleName = null
+) : IRequest<OperationResult<GetAllRolesResponse>>;
+
+/// <summary>
+/// 获取所有角色响应，包含角色列表和分页信息
+/// </summary>
+public sealed record GetAllRolesResponse(
+    List<RoleDto> Roles,
+    int TotalCount,
+    int PageNumber,
+    int PageSize
+)
+{
+    public int TotalPages => (int)Math.Ceiling(TotalCount / (double)PageSize);
+    public bool HasPreviousPage => PageNumber > 1;
+    public bool HasNextPage => PageNumber < TotalPages;
+}
+
+/// <summary>
+/// 角色数据传输对象
+/// </summary>
+public record RoleDto(
+    string Id, 
+    string Name, 
+    string Description,
+    DateTime CreatedAt,
+    DateTime UpdatedAt); 

src/CellularManagement.Application/Features/Roles/Queries/GetRole/GetRoleQuery.cs

@@ -0,0 +1,13 @@
+using CellularManagement.Domain.Common;
+using MediatR;
+
+namespace CellularManagement.Application.Features.Roles.Queries.GetRole;
+
+/// <summary>
+/// 获取角色查询
+/// </summary>
+public sealed record GetRoleQuery(
+    /// <summary>
+    /// 角色ID
+    /// </summary>
+    string RoleId) : IRequest<OperationResult<GetRoleResponse>>; 

src/CellularManagement.Application/Features/Roles/Queries/GetRole/GetRoleResponse.cs

@@ -0,0 +1,32 @@
+using System;
+
+namespace CellularManagement.Application.Features.Roles.Queries.GetRole;
+
+/// <summary>
+/// 获取角色响应
+/// </summary>
+public sealed record GetRoleResponse(
+    /// <summary>
+    /// 角色ID
+    /// </summary>
+    string Id,
+    
+    /// <summary>
+    /// 角色名称
+    /// </summary>
+    string Name,
+    
+    /// <summary>
+    /// 角色描述
+    /// </summary>
+    string? Description,
+
+    /// <summary>
+    /// 创建时间
+    /// </summary>
+    DateTime CreatedAt,
+
+    /// <summary>
+    /// 更新时间
+    /// </summary>
+    DateTime UpdatedAt); 

src/CellularManagement.Application/Features/Roles/Queries/RoleQueryHandler.cs

@@ -0,0 +1,119 @@
+using Microsoft.AspNetCore.Identity;
+using Microsoft.Extensions.Logging;
+using MediatR;
+using CellularManagement.Domain.Entities;
+using CellularManagement.Application.Features.Roles.Queries.GetRole;
+using CellularManagement.Application.Features.Roles.Queries;
+using Microsoft.EntityFrameworkCore;
+using CellularManagement.Domain.Common;
+using System.Threading.Tasks;
+using System.Threading;
+using System;
+using System.Linq;
+
+namespace CellularManagement.Application.Features.Roles.Queries;
+
+/// <summary>
+/// 角色查询处理器
+/// </summary>
+public sealed class RoleQueryHandler :
+    IRequestHandler<GetRoleQuery, OperationResult<GetRoleResponse>>,
+    IRequestHandler<GetAllRolesQuery, OperationResult<GetAllRolesResponse>>
+{
+    private readonly RoleManager<AppRole> _roleManager;
+    private readonly ILogger<RoleQueryHandler> _logger;
+
+    /// <summary>
+    /// 初始化处理器
+    /// </summary>
+    public RoleQueryHandler(
+        RoleManager<AppRole> roleManager,
+        ILogger<RoleQueryHandler> logger)
+    {
+        _roleManager = roleManager;
+        _logger = logger;
+    }
+
+    /// <summary>
+    /// 处理获取角色请求
+    /// </summary>
+    public async Task<OperationResult<GetRoleResponse>> Handle(
+        GetRoleQuery request,
+        CancellationToken cancellationToken)
+    {
+        try
+        {
+            // 查找角色
+            var role = await _roleManager.FindByIdAsync(request.RoleId);
+            if (role == null)
+            {
+                _logger.LogWarning("角色 {RoleId} 不存在", request.RoleId);
+                return OperationResult<GetRoleResponse>.CreateFailure("角色不存在");
+            }
+
+            _logger.LogInformation("获取角色 {RoleId} 成功", request.RoleId);
+
+            return OperationResult<GetRoleResponse>.CreateSuccess(
+                new GetRoleResponse(
+                    role.Id, 
+                    role.Name, 
+                    role.Description,
+                    role.CreatedAt,
+                    role.UpdatedAt));
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "获取角色 {RoleId} 失败", request.RoleId);
+            return OperationResult<GetRoleResponse>.CreateFailure("获取角色失败，请稍后重试");
+        }
+    }
+
+    /// <summary>
+    /// 处理获取所有角色请求（分页+模糊查询）
+    /// </summary>
+    public async Task<OperationResult<GetAllRolesResponse>> Handle(
+        GetAllRolesQuery request,
+        CancellationToken cancellationToken)
+    {
+        try
+        {
+            var query = _roleManager.Roles.AsQueryable();
+
+            if (!string.IsNullOrWhiteSpace(request.RoleName))
+            {
+                query = query.Where(r => r.Name.Contains(request.RoleName));
+            }
+
+            var totalCount = await query.CountAsync(cancellationToken);
+
+            var roles = await query
+                .Skip((request.PageNumber - 1) * request.PageSize)
+                .Take(request.PageSize)
+                .ToListAsync(cancellationToken);
+
+            var roleDtos = roles.Select(role => new RoleDto(
+                role.Id,
+                role.Name,
+                role.Description,
+                role.CreatedAt,
+                role.UpdatedAt
+            )).ToList();
+
+            var response = new GetAllRolesResponse(
+                roleDtos,
+                totalCount,
+                request.PageNumber,
+                request.PageSize
+            );
+
+            _logger.LogInformation("成功获取所有角色，共 {Count} 个", totalCount);
+
+            return OperationResult<GetAllRolesResponse>.CreateSuccess(response);
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "获取所有角色失败");
+            return OperationResult<GetAllRolesResponse>.CreateFailure("获取角色列表失败，请稍后重试");
+        }
+    }
+} 

src/CellularManagement.Application/Features/Users/Commands/CreateUser/CreateUserCommand.cs

@@ -0,0 +1,18 @@
+using CellularManagement.Domain.Common;
+using MediatR;
+
+namespace CellularManagement.Application.Features.Users.Commands.CreateUser;
+
+/// <summary>
+/// 创建用户命令
+/// 用于创建新用户的命令对象
+/// </summary>
+/// <param name="UserName">账号</param>
+/// <param name="Email">电子邮箱</param>
+/// <param name="PhoneNumber">电话号码</param>
+/// <param name="Password">密码</param>
+public sealed record CreateUserCommand(
+    string UserName,
+    string Email,
+    string PhoneNumber,
+    string Password) : IRequest<OperationResult<CreateUserResponse>>; 

src/CellularManagement.Application/Features/Users/Commands/CreateUser/CreateUserCommandHandler.cs

@@ -0,0 +1,92 @@
+using Microsoft.AspNetCore.Identity;
+using Microsoft.Extensions.Logging;
+using MediatR;
+using CellularManagement.Domain.Entities;
+using CellularManagement.Domain.Repositories;
+using CellularManagement.Domain.Common;
+using System.Threading.Tasks;
+using System.Threading;
+using System;
+using System.Linq;
+
+namespace CellularManagement.Application.Features.Users.Commands.CreateUser;
+
+/// <summary>
+/// 创建用户命令处理器
+/// 处理创建新用户的业务逻辑
+/// </summary>
+public sealed class CreateUserCommandHandler : IRequestHandler<CreateUserCommand, OperationResult<CreateUserResponse>>
+{
+    private readonly UserManager<AppUser> _userManager;
+    private readonly ILogger<CreateUserCommandHandler> _logger;
+    private readonly IUnitOfWork _unitOfWork;
+
+    /// <summary>
+    /// 构造函数
+    /// </summary>
+    /// <param name="userManager">用户管理器，用于管理用户身份</param>
+    /// <param name="logger">日志记录器</param>
+    /// <param name="unitOfWork">工作单元，用于事务管理</param>
+    public CreateUserCommandHandler(
+        UserManager<AppUser> userManager,
+        ILogger<CreateUserCommandHandler> logger,
+        IUnitOfWork unitOfWork)
+    {
+        _userManager = userManager;
+        _logger = logger;
+        _unitOfWork = unitOfWork;
+    }
+
+    /// <summary>
+    /// 处理创建用户命令
+    /// </summary>
+    /// <param name="request">创建用户命令</param>
+    /// <param name="cancellationToken">取消令牌</param>
+    /// <returns>操作结果，包含创建的用户ID</returns>
+    public async Task<OperationResult<CreateUserResponse>> Handle(
+        CreateUserCommand request,
+        CancellationToken cancellationToken)
+    {
+        try
+        {
+            // 检查用户是否已存在
+            var existingUser = await _userManager.FindByEmailAsync(request.Email);
+            if (existingUser != null)
+            {
+                _logger.LogWarning("用户邮箱 {Email} 已存在", request.Email);
+                return OperationResult<CreateUserResponse>.CreateFailure("用户已存在");
+            }
+
+            // 创建新用户
+            var user = new AppUser
+            {
+                UserName = request.UserName,
+                Email = request.Email,
+                PhoneNumber = request.PhoneNumber
+            };
+
+            // 在事务中创建用户
+            await _unitOfWork.ExecuteTransactionAsync(async () =>
+            {
+                var result = await _userManager.CreateAsync(user, request.Password);
+                if (!result.Succeeded)
+                {
+                    var errors = result.Errors.Select(e => e.Description).ToList();
+                    _logger.LogWarning("创建用户失败: {Errors}", string.Join(", ", errors));
+                    throw new InvalidOperationException(string.Join(", ", errors));
+                }
+            }, cancellationToken: cancellationToken);
+
+            _logger.LogInformation("用户 {UserId} 创建成功", user.Id);
+
+            return OperationResult<CreateUserResponse>.CreateSuccess(
+                new CreateUserResponse(user.Id));
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "创建用户时发生错误");
+            _logger.LogError(ex, "Error creating user");
+            return OperationResult<CreateUserResponse>.CreateFailure("Failed to create user");
+        }
+    }
+} 

src/CellularManagement.Application/Features/Users/Commands/CreateUser/CreateUserCommandValidator.cs

@@ -0,0 +1,39 @@
+using FluentValidation;
+using CellularManagement.Application.Common.Extensions;
+
+namespace CellularManagement.Application.Features.Users.Commands.CreateUser;
+
+public sealed class CreateUserCommandValidator : AbstractValidator<CreateUserCommand>
+{
+    public CreateUserCommandValidator()
+    {
+        // 验证账号
+        RuleFor(x => x.UserName)
+            .NotEmpty().WithMessage("账号不能为空")
+            .MinimumLength(3).WithMessage("账号长度不能少于3个字符")
+            .MaximumLength(50).WithMessage("账号长度不能超过50个字符")
+            .Matches("^[a-zA-Z0-9_]+$").WithMessage("账号只能包含字母、数字和下划线");
+
+        // 验证邮箱
+        RuleFor(x => x.Email)
+            .NotEmpty().WithMessage("邮箱不能为空")
+            .MaximumLength(256).WithMessage("邮箱长度不能超过256个字符")
+            .Must(x => x.IsValidEmail()).WithMessage("邮箱格式不正确");
+
+        // 验证密码
+        RuleFor(x => x.Password)
+            .NotEmpty().WithMessage("密码不能为空")
+            .MinimumLength(6).WithMessage("密码长度不能少于6个字符")
+            .MaximumLength(50).WithMessage("密码长度不能超过50个字符")
+            .Matches("[A-Z]").WithMessage("密码必须包含至少一个大写字母")
+            .Matches("[a-z]").WithMessage("密码必须包含至少一个小写字母")
+            .Matches("[0-9]").WithMessage("密码必须包含至少一个数字")
+            .Matches("[^a-zA-Z0-9]").WithMessage("密码必须包含至少一个特殊字符");
+
+
+        // 验证电话号码
+        RuleFor(x => x.PhoneNumber)
+            .Matches(@"^1[3-9]\d{9}$").When(x => !string.IsNullOrEmpty(x.PhoneNumber))
+            .WithMessage("电话号码格式不正确");
+    }
+} 

src/CellularManagement.Application/Features/Users/Commands/CreateUser/CreateUserResponse.cs

@@ -0,0 +1,8 @@
+namespace CellularManagement.Application.Features.Users.Commands.CreateUser;
+
+/// <summary>
+/// 创建用户响应
+/// 包含创建成功后的用户ID
+/// </summary>
+/// <param name="UserId">用户ID</param>
+public sealed record CreateUserResponse(string UserId); 

src/CellularManagement.Application/Features/Users/Commands/DeleteUser/DeleteUserCommand.cs

@@ -0,0 +1,11 @@
+using CellularManagement.Domain.Common;
+using MediatR;
+
+namespace CellularManagement.Application.Features.Users.Commands.DeleteUser;
+
+/// <summary>
+/// 删除用户命令
+/// 用于删除指定用户的命令对象
+/// </summary>
+/// <param name="UserId">要删除的用户ID</param>
+public sealed record DeleteUserCommand(string UserId) : IRequest<OperationResult<DeleteUserResponse>>; 

src/CellularManagement.Application/Features/Users/Commands/DeleteUser/DeleteUserCommandHandler.cs

@@ -0,0 +1,83 @@
+using Microsoft.AspNetCore.Identity;
+using Microsoft.Extensions.Logging;
+using MediatR;
+using CellularManagement.Domain.Entities;
+using CellularManagement.Domain.Repositories;
+using CellularManagement.Domain.Common;
+using System.Threading.Tasks;
+using System.Threading;
+using System.Linq;
+using System;
+
+namespace CellularManagement.Application.Features.Users.Commands.DeleteUser;
+
+/// <summary>
+/// 删除用户命令处理器
+/// 处理删除用户的业务逻辑
+/// </summary>
+public sealed class DeleteUserCommandHandler : IRequestHandler<DeleteUserCommand, OperationResult<DeleteUserResponse>>
+{
+    private readonly UserManager<AppUser> _userManager;
+    private readonly ILogger<DeleteUserCommandHandler> _logger;
+    private readonly IUnitOfWork _unitOfWork;
+
+    /// <summary>
+    /// 构造函数
+    /// </summary>
+    /// <param name="userManager">用户管理器，用于管理用户身份</param>
+    /// <param name="logger">日志记录器</param>
+    /// <param name="unitOfWork">工作单元，用于事务管理</param>
+    public DeleteUserCommandHandler(
+        UserManager<AppUser> userManager,
+        ILogger<DeleteUserCommandHandler> logger,
+        IUnitOfWork unitOfWork)
+    {
+        _userManager = userManager;
+        _logger = logger;
+        _unitOfWork = unitOfWork;
+    }
+
+    /// <summary>
+    /// 处理删除用户命令
+    /// </summary>
+    /// <param name="request">删除用户命令</param>
+    /// <param name="cancellationToken">取消令牌</param>
+    /// <returns>操作结果，包含删除的用户ID</returns>
+    public async Task<OperationResult<DeleteUserResponse>> Handle(
+        DeleteUserCommand request,
+        CancellationToken cancellationToken)
+    {
+        try
+        {
+            // 查找要删除的用户
+            var user = await _userManager.FindByIdAsync(request.UserId);
+            if (user == null)
+            {
+                _logger.LogWarning("用户 {UserId} 不存在", request.UserId);
+                return OperationResult<DeleteUserResponse>.CreateFailure("用户不存在");
+            }
+
+            // 在事务中删除用户
+            await _unitOfWork.ExecuteTransactionAsync(async () =>
+            {
+                var result = await _userManager.DeleteAsync(user);
+                if (!result.Succeeded)
+                {
+                    var errors = result.Errors.Select(e => e.Description).ToList();
+                    _logger.LogWarning("删除用户失败: {Errors}", string.Join(", ", errors));
+                    throw new InvalidOperationException(string.Join(", ", errors));
+                }
+            }, cancellationToken: cancellationToken);
+
+            _logger.LogInformation("用户 {UserId} 删除成功", user.Id);
+
+            return OperationResult<DeleteUserResponse>.CreateSuccess(
+                new DeleteUserResponse(user.Id));
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "删除用户时发生错误");
+            return OperationResult<DeleteUserResponse>.CreateFailure("删除用户失败");
+        }
+    }
+} 

src/CellularManagement.Application/Features/Users/Commands/DeleteUser/DeleteUserResponse.cs

@@ -0,0 +1,8 @@
+namespace CellularManagement.Application.Features.Users.Commands.DeleteUser;
+
+/// <summary>
+/// 删除用户响应
+/// 包含删除成功后的用户ID
+/// </summary>
+/// <param name="UserId">用户ID</param>
+public sealed record DeleteUserResponse(string UserId); 

src/CellularManagement.Application/Features/Users/Commands/UpdateUser/UpdateUserCommand.cs

@@ -0,0 +1,20 @@
+using CellularManagement.Domain.Common;
+using MediatR;
+
+namespace CellularManagement.Application.Features.Users.Commands.UpdateUser;
+
+/// <summary>
+/// 更新用户命令
+/// 用于更新指定用户信息的命令对象
+/// </summary>
+/// <param name="UserId">要更新的用户ID</param>
+/// <param name="UserName">新的账号</param>
+/// <param name="RealName">新的用户名</param>
+/// <param name="Email">新的电子邮箱</param>
+/// <param name="PhoneNumber">新的电话号码</param>
+public sealed record UpdateUserCommand(
+    string UserId,
+    string UserName,
+    string RealName,
+    string Email,
+    string PhoneNumber) : IRequest<OperationResult<UpdateUserResponse>>; 

src/CellularManagement.Application/Features/Users/Commands/UpdateUser/UpdateUserCommandHandler.cs

@@ -0,0 +1,72 @@
+using Microsoft.AspNetCore.Identity;
+using Microsoft.Extensions.Logging;
+using MediatR;
+using CellularManagement.Domain.Entities;
+using CellularManagement.Domain.Repositories;
+using CellularManagement.Domain.Common;
+using System.Threading.Tasks;
+using System.Threading;
+using System.Linq;
+using System;
+
+namespace CellularManagement.Application.Features.Users.Commands.UpdateUser;
+
+public sealed class UpdateUserCommandHandler : IRequestHandler<UpdateUserCommand, OperationResult<UpdateUserResponse>>
+{
+    private readonly UserManager<AppUser> _userManager;
+    private readonly ILogger<UpdateUserCommandHandler> _logger;
+    private readonly IUnitOfWork _unitOfWork;
+
+    public UpdateUserCommandHandler(
+        UserManager<AppUser> userManager,
+        ILogger<UpdateUserCommandHandler> logger,
+        IUnitOfWork unitOfWork)
+    {
+        _userManager = userManager;
+        _logger = logger;
+        _unitOfWork = unitOfWork;
+    }
+
+    public async Task<OperationResult<UpdateUserResponse>> Handle(
+        UpdateUserCommand request,
+        CancellationToken cancellationToken)
+    {
+        try
+        {
+            var user = await _userManager.FindByIdAsync(request.UserId);
+            if (user == null)
+            {
+                _logger.LogWarning("User {UserId} not found", request.UserId);
+                return OperationResult<UpdateUserResponse>.CreateFailure("用户不存在");
+            }
+
+            // Update user properties if provided
+            if (request.UserName != null) user.UserName = request.UserName;
+            if (request.RealName != null) user.RealName = request.RealName;
+            if (request.Email != null) user.Email = request.Email;
+            if (request.PhoneNumber != null) user.PhoneNumber = request.PhoneNumber;
+
+            // Update user in transaction
+            await _unitOfWork.ExecuteTransactionAsync(async () =>
+            {
+                var result = await _userManager.UpdateAsync(user);
+                if (!result.Succeeded)
+                {
+                    var errors = result.Errors.Select(e => e.Description).ToList();
+                    _logger.LogWarning("Failed to update user: {Errors}", string.Join(", ", errors));
+                    throw new InvalidOperationException(string.Join(", ", errors));
+                }
+            }, cancellationToken: cancellationToken);
+
+            _logger.LogInformation("User {UserId} updated successfully", user.Id);
+
+            return OperationResult<UpdateUserResponse>.CreateSuccess(
+                new UpdateUserResponse(user.Id));
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Error updating user");
+            return OperationResult<UpdateUserResponse>.CreateFailure("更新用户失败");
+        }
+    }
+} 

src/CellularManagement.Application/Features/Users/Commands/UpdateUser/UpdateUserCommandValidator.cs

@@ -0,0 +1,37 @@
+using FluentValidation;
+
+namespace CellularManagement.Application.Features.Users.Commands.UpdateUser;
+
+public sealed class UpdateUserCommandValidator : AbstractValidator<UpdateUserCommand>
+{
+    public UpdateUserCommandValidator()
+    {
+        RuleFor(x => x.UserId)
+            .NotEmpty().WithMessage("用户ID不能为空");
+
+        When(x => x.UserName != null, () =>
+        {
+            RuleFor(x => x.UserName)
+                .Length(3, 50).WithMessage("账号长度必须在3-50个字符之间")
+                .Matches("^[a-zA-Z0-9_]+$").WithMessage("账号只能包含字母、数字和下划线");
+        });
+
+        When(x => x.RealName != null, () =>
+        {
+            RuleFor(x => x.RealName)
+                .MaximumLength(50).WithMessage("用户名长度不能超过50个字符");
+        });
+
+        When(x => x.Email != null, () =>
+        {
+            RuleFor(x => x.Email)
+                .EmailAddress().WithMessage("邮箱格式不正确");
+        });
+
+        When(x => x.PhoneNumber != null, () =>
+        {
+            RuleFor(x => x.PhoneNumber)
+                .Matches(@"^1[3-9]\d{9}$").WithMessage("手机号格式不正确");
+        });
+    }
+} 

src/CellularManagement.Application/Features/Users/Commands/UpdateUser/UpdateUserResponse.cs

@@ -0,0 +1,8 @@
+namespace CellularManagement.Application.Features.Users.Commands.UpdateUser;
+
+/// <summary>
+/// 更新用户响应
+/// 包含更新成功后的用户ID
+/// </summary>
+/// <param name="UserId">用户ID</param>
+public sealed record UpdateUserResponse(string UserId); 

src/CellularManagement.Application/Features/Users/Queries/Dtos/UserDto.cs

@@ -0,0 +1,16 @@
+namespace CellularManagement.Application.Features.Users.Queries.Dtos;
+
+/// <summary>
+/// 用户数据传输对象
+/// 用于在API层和领域层之间传输用户数据
+/// </summary>
+/// <param name="UserId">用户ID</param>
+/// <param name="UserName">用户名</param>
+/// <param name="Email">电子邮箱</param>
+/// <param name="PhoneNumber">电话号码</param>
+public sealed record UserDto(
+    string UserId,
+    string UserName,
+    string RealName,
+    string Email,
+    string PhoneNumber, DateTime CreatedAt, bool IsActive);

src/CellularManagement.Application/Features/Users/Queries/GetAllUsers/GetAllUsersQuery.cs

@@ -0,0 +1,20 @@
+using CellularManagement.Domain.Common;
+using MediatR;
+
+namespace CellularManagement.Application.Features.Users.Queries.GetAllUsers;
+
+/// <summary>
+/// 获取所有用户查询
+/// 支持按用户名、邮箱、手机号进行条件查询
+/// </summary>
+/// <param name="PageNumber">页码，从1开始</param>
+/// <param name="PageSize">每页记录数</param>
+/// <param name="UserName">用户名（可选，支持模糊查询）</param>
+/// <param name="Email">邮箱（可选，支持模糊查询）</param>
+/// <param name="PhoneNumber">手机号（可选，支持模糊查询）</param>
+public sealed record GetAllUsersQuery(
+    int PageNumber = 1,
+    int PageSize = 10,
+    string? UserName = null,
+    string? Email = null,
+    string? PhoneNumber = null) : IRequest<OperationResult<GetAllUsersResponse>>;

src/CellularManagement.Application/Features/Users/Queries/GetAllUsers/GetAllUsersQueryHandler.cs

@@ -0,0 +1,100 @@
+using Microsoft.AspNetCore.Identity;
+using Microsoft.Extensions.Logging;
+using MediatR;
+using CellularManagement.Domain.Entities;
+using CellularManagement.Application.Features.Users.Queries.Dtos;
+using Microsoft.EntityFrameworkCore;
+using CellularManagement.Domain.Common;
+using System.Threading.Tasks;
+using System.Threading;
+using System.Linq;
+using System;
+
+namespace CellularManagement.Application.Features.Users.Queries.GetAllUsers;
+
+/// <summary>
+/// 获取所有用户查询处理器
+/// 处理获取系统中所有用户信息的业务逻辑
+/// </summary>
+public sealed class GetAllUsersQueryHandler : IRequestHandler<GetAllUsersQuery, OperationResult<GetAllUsersResponse>>
+{
+    private readonly UserManager<AppUser> _userManager;
+    private readonly ILogger<GetAllUsersQueryHandler> _logger;
+
+    /// <summary>
+    /// 构造函数
+    /// </summary>
+    /// <param name="userManager">用户管理器，用于管理用户身份</param>
+    /// <param name="logger">日志记录器</param>
+    public GetAllUsersQueryHandler(
+        UserManager<AppUser> userManager,
+        ILogger<GetAllUsersQueryHandler> logger)
+    {
+        _userManager = userManager;
+        _logger = logger;
+    }
+
+    /// <summary>
+    /// 处理获取所有用户命令
+    /// </summary>
+    /// <param name="request">查询命令</param>
+    /// <param name="cancellationToken">取消令牌</param>
+    /// <returns>操作结果，包含所有用户信息列表</returns>
+    public async Task<OperationResult<GetAllUsersResponse>> Handle(
+        GetAllUsersQuery request,
+        CancellationToken cancellationToken)
+    {
+        try
+        {
+            // 构建基础查询
+            var query = _userManager.Users.AsQueryable();
+
+            // 应用条件过滤
+            if (!string.IsNullOrWhiteSpace(request.UserName))
+            {
+                query = query.Where(u => u.UserName.Contains(request.UserName));
+            }
+
+            if (!string.IsNullOrWhiteSpace(request.Email))
+            {
+                query = query.Where(u => u.Email.Contains(request.Email));
+            }
+
+            if (!string.IsNullOrWhiteSpace(request.PhoneNumber))
+            {
+                query = query.Where(u => u.PhoneNumber.Contains(request.PhoneNumber));
+            }
+
+            // 获取总记录数
+            var totalCount = await query.CountAsync(cancellationToken);
+
+            // 应用分页
+            var users = await query
+                .Skip((request.PageNumber - 1) * request.PageSize)
+                .Take(request.PageSize)
+                .ToListAsync(cancellationToken);
+            
+            // 转换为DTO对象
+            var userDtos = users.Select(user => new UserDto(
+                user.Id,
+                user.UserName,
+                user.RealName,
+                user.Email,
+                user.PhoneNumber,user.CreatedTime,user.IsActive)).ToList();
+
+            // 构建响应对象
+            var response = new GetAllUsersResponse(
+                userDtos,
+                totalCount,
+                request.PageNumber,
+                request.PageSize);
+
+            return OperationResult<GetAllUsersResponse>.CreateSuccess(response);
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "获取所有用户时发生错误");
+            return OperationResult<GetAllUsersResponse>.CreateFailure("获取用户列表失败");
+        }
+    }
+} 

src/CellularManagement.Application/Features/Users/Queries/GetAllUsers/GetAllUsersResponse.cs

@@ -0,0 +1,35 @@
+using System;
+using System.Collections.Generic;
+using CellularManagement.Application.Features.Users.Queries.Dtos;
+
+namespace CellularManagement.Application.Features.Users.Queries.GetAllUsers;
+
+/// <summary>
+/// 获取所有用户响应
+/// 包含用户列表和分页信息
+/// </summary>
+/// <param name="Users">用户列表</param>
+/// <param name="TotalCount">总记录数</param>
+/// <param name="PageNumber">当前页码</param>
+/// <param name="PageSize">每页记录数</param>
+public sealed record GetAllUsersResponse(
+    List<UserDto> Users,
+    int TotalCount,
+    int PageNumber,
+    int PageSize)
+{
+    /// <summary>
+    /// 总页数
+    /// </summary>
+    public int TotalPages => (int)Math.Ceiling(TotalCount / (double)PageSize);
+
+    /// <summary>
+    /// 是否有上一页
+    /// </summary>
+    public bool HasPreviousPage => PageNumber > 1;
+
+    /// <summary>
+    /// 是否有下一页
+    /// </summary>
+    public bool HasNextPage => PageNumber < TotalPages;
+} 

src/CellularManagement.Application/Features/Users/Queries/GetUserById/GetUserByIdQuery.cs

@@ -0,0 +1,11 @@
+using CellularManagement.Domain.Common;
+using MediatR;
+
+namespace CellularManagement.Application.Features.Users.Queries.GetUserById;
+
+/// <summary>
+/// 获取用户详情查询
+/// 用于获取指定用户详细信息的查询对象
+/// </summary>
+/// <param name="UserId">要查询的用户ID</param>
+public sealed record GetUserByIdQuery(string UserId) : IRequest<OperationResult<GetUserByIdResponse>>;

src/CellularManagement.Application/Features/Users/Queries/GetUserById/GetUserByIdQueryHandler.cs

@@ -0,0 +1,71 @@
+using Microsoft.AspNetCore.Identity;
+using Microsoft.Extensions.Logging;
+using MediatR;
+using CellularManagement.Domain.Entities;
+using CellularManagement.Application.Features.Users.Queries.Dtos;
+using CellularManagement.Domain.Common;
+using System.Threading;
+using System.Threading.Tasks;
+using System;
+
+namespace CellularManagement.Application.Features.Users.Queries.GetUserById;
+
+/// <summary>
+/// 根据ID查询用户处理器
+/// 处理根据ID查询用户信息的业务逻辑
+/// </summary>
+public sealed class GetUserByIdQueryHandler : IRequestHandler<GetUserByIdQuery, OperationResult<GetUserByIdResponse>>
+{
+    private readonly UserManager<AppUser> _userManager;
+    private readonly ILogger<GetUserByIdQueryHandler> _logger;
+
+    /// <summary>
+    /// 构造函数
+    /// </summary>
+    /// <param name="userManager">用户管理器，用于管理用户身份</param>
+    /// <param name="logger">日志记录器</param>
+    public GetUserByIdQueryHandler(
+        UserManager<AppUser> userManager,
+        ILogger<GetUserByIdQueryHandler> logger)
+    {
+        _userManager = userManager;
+        _logger = logger;
+    }
+
+    /// <summary>
+    /// 处理根据ID查询用户命令
+    /// </summary>
+    /// <param name="request">查询用户命令</param>
+    /// <param name="cancellationToken">取消令牌</param>
+    /// <returns>操作结果，包含查询到的用户信息</returns>
+    public async Task<OperationResult<GetUserByIdResponse>> Handle(
+        GetUserByIdQuery request,
+        CancellationToken cancellationToken)
+    {
+        try
+        {
+            // 根据ID查询用户
+            var user = await _userManager.FindByIdAsync(request.UserId);
+            if (user == null)
+            {
+                _logger.LogWarning("用户 {UserId} 不存在", request.UserId);
+                return OperationResult<GetUserByIdResponse>.CreateFailure("用户不存在");
+            }
+            var dto = new UserDto(user.Id,
+                user.UserName,
+                user.RealName,
+                user.Email,
+                user.PhoneNumber,user.CreatedTime, user.IsActive);
+
+            // 构建响应对象
+            var response = new GetUserByIdResponse(dto);
+
+            return OperationResult<GetUserByIdResponse>.CreateSuccess(response);
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "查询用户时发生错误");
+            return OperationResult<GetUserByIdResponse>.CreateFailure("查询用户失败");
+        }
+    }
+} 

src/CellularManagement.Application/Features/Users/Queries/GetUserById/GetUserByIdResponse.cs

@@ -0,0 +1,10 @@
+using CellularManagement.Application.Features.Users.Queries.Dtos;
+
+namespace CellularManagement.Application.Features.Users.Queries.GetUserById;
+
+/// <summary>
+/// 用户查询响应
+/// 包含查询到的用户详细信息
+/// </summary>
+/// <param name="User">用户信息</param>
+public sealed record GetUserByIdResponse(UserDto User); 

src/CellularManagement.Application/bin/Debug/net8.0/CellularManagement.Application.deps.json

@@ -1,362 +0,0 @@
-{
-  "runtimeTarget": {
-    "name": ".NETCoreApp,Version=v8.0",
-    "signature": ""
-  },
-  "compilationOptions": {},
-  "targets": {
-    ".NETCoreApp,Version=v8.0": {
-      "CellularManagement.Application/1.0.0": {
-        "dependencies": {
-          "CellularManagement.Domain": "1.0.0",
-          "Microsoft.Extensions.DependencyInjection": "8.0.0"
-        },
-        "runtime": {
-          "CellularManagement.Application.dll": {}
-        }
-      },
-      "Microsoft.AspNetCore.Cryptography.Internal/7.0.0": {
-        "runtime": {
-          "lib/net7.0/Microsoft.AspNetCore.Cryptography.Internal.dll": {
-            "assemblyVersion": "7.0.0.0",
-            "fileVersion": "7.0.22.51819"
-          }
-        }
-      },
-      "Microsoft.AspNetCore.Cryptography.KeyDerivation/7.0.0": {
-        "dependencies": {
-          "Microsoft.AspNetCore.Cryptography.Internal": "7.0.0"
-        },
-        "runtime": {
-          "lib/net7.0/Microsoft.AspNetCore.Cryptography.KeyDerivation.dll": {
-            "assemblyVersion": "7.0.0.0",
-            "fileVersion": "7.0.22.51819"
-          }
-        }
-      },
-      "Microsoft.AspNetCore.Identity.EntityFrameworkCore/7.0.0": {
-        "dependencies": {
-          "Microsoft.EntityFrameworkCore.Relational": "7.0.0",
-          "Microsoft.Extensions.Identity.Stores": "7.0.0"
-        },
-        "runtime": {
-          "lib/net7.0/Microsoft.AspNetCore.Identity.EntityFrameworkCore.dll": {
-            "assemblyVersion": "7.0.0.0",
-            "fileVersion": "7.0.22.51819"
-          }
-        }
-      },
-      "Microsoft.EntityFrameworkCore/7.0.0": {
-        "dependencies": {
-          "Microsoft.EntityFrameworkCore.Abstractions": "7.0.0",
-          "Microsoft.EntityFrameworkCore.Analyzers": "7.0.0",
-          "Microsoft.Extensions.Caching.Memory": "7.0.0",
-          "Microsoft.Extensions.DependencyInjection": "8.0.0",
-          "Microsoft.Extensions.Logging": "7.0.0"
-        },
-        "runtime": {
-          "lib/net6.0/Microsoft.EntityFrameworkCore.dll": {
-            "assemblyVersion": "7.0.0.0",
-            "fileVersion": "7.0.22.51807"
-          }
-        }
-      },
-      "Microsoft.EntityFrameworkCore.Abstractions/7.0.0": {
-        "runtime": {
-          "lib/net6.0/Microsoft.EntityFrameworkCore.Abstractions.dll": {
-            "assemblyVersion": "7.0.0.0",
-            "fileVersion": "7.0.22.51807"
-          }
-        }
-      },
-      "Microsoft.EntityFrameworkCore.Analyzers/7.0.0": {},
-      "Microsoft.EntityFrameworkCore.Relational/7.0.0": {
-        "dependencies": {
-          "Microsoft.EntityFrameworkCore": "7.0.0",
-          "Microsoft.Extensions.Configuration.Abstractions": "7.0.0"
-        },
-        "runtime": {
-          "lib/net6.0/Microsoft.EntityFrameworkCore.Relational.dll": {
-            "assemblyVersion": "7.0.0.0",
-            "fileVersion": "7.0.22.51807"
-          }
-        }
-      },
-      "Microsoft.Extensions.Caching.Abstractions/7.0.0": {
-        "dependencies": {
-          "Microsoft.Extensions.Primitives": "7.0.0"
-        },
-        "runtime": {
-          "lib/net7.0/Microsoft.Extensions.Caching.Abstractions.dll": {
-            "assemblyVersion": "7.0.0.0",
-            "fileVersion": "7.0.22.51805"
-          }
-        }
-      },
-      "Microsoft.Extensions.Caching.Memory/7.0.0": {
-        "dependencies": {
-          "Microsoft.Extensions.Caching.Abstractions": "7.0.0",
-          "Microsoft.Extensions.DependencyInjection.Abstractions": "8.0.0",
-          "Microsoft.Extensions.Logging.Abstractions": "7.0.0",
-          "Microsoft.Extensions.Options": "7.0.0",
-          "Microsoft.Extensions.Primitives": "7.0.0"
-        },
-        "runtime": {
-          "lib/net7.0/Microsoft.Extensions.Caching.Memory.dll": {
-            "assemblyVersion": "7.0.0.0",
-            "fileVersion": "7.0.22.51805"
-          }
-        }
-      },
-      "Microsoft.Extensions.Configuration.Abstractions/7.0.0": {
-        "dependencies": {
-          "Microsoft.Extensions.Primitives": "7.0.0"
-        },
-        "runtime": {
-          "lib/net7.0/Microsoft.Extensions.Configuration.Abstractions.dll": {
-            "assemblyVersion": "7.0.0.0",
-            "fileVersion": "7.0.22.51805"
-          }
-        }
-      },
-      "Microsoft.Extensions.DependencyInjection/8.0.0": {
-        "dependencies": {
-          "Microsoft.Extensions.DependencyInjection.Abstractions": "8.0.0"
-        },
-        "runtime": {
-          "lib/net8.0/Microsoft.Extensions.DependencyInjection.dll": {
-            "assemblyVersion": "8.0.0.0",
-            "fileVersion": "8.0.23.53103"
-          }
-        }
-      },
-      "Microsoft.Extensions.DependencyInjection.Abstractions/8.0.0": {
-        "runtime": {
-          "lib/net8.0/Microsoft.Extensions.DependencyInjection.Abstractions.dll": {
-            "assemblyVersion": "8.0.0.0",
-            "fileVersion": "8.0.23.53103"
-          }
-        }
-      },
-      "Microsoft.Extensions.Identity.Core/7.0.0": {
-        "dependencies": {
-          "Microsoft.AspNetCore.Cryptography.KeyDerivation": "7.0.0",
-          "Microsoft.Extensions.Logging": "7.0.0",
-          "Microsoft.Extensions.Options": "7.0.0"
-        },
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