refactor: 重构代码以符合DDD架构 - 将OperationResult迁移到领域层 - 优化服务接口位置 - 更新依赖注入配置

src/CellularManagement.Application/Behaviours/ValidationBehaviour.cs

@@ -1,3 +1,4 @@
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Threading;

src/CellularManagement.Application/DependencyInjection.cs

@@ -2,6 +2,7 @@ using Microsoft.Extensions.DependencyInjection;
 using MediatR;
 using FluentValidation;
 using CellularManagement.Application.Behaviours;
+using CellularManagement.Domain.Services;
 
 namespace CellularManagement.Application;
 
@@ -33,6 +34,7 @@ public static class DependencyInjection
         // 注册验证器
         services.AddScoped(typeof(IPipelineBehavior<,>), typeof(ValidationBehaviour<,>));
 
+
         return services;
     }
 } 

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

@@ -1,3 +1,4 @@
+using CellularManagement.Domain.Common;
 using MediatR;
 
 namespace CellularManagement.Application.Features.Auth.Commands.AuthenticateUser;

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

@@ -3,10 +3,16 @@ using Microsoft.AspNetCore.Identity;
 using Microsoft.Extensions.Logging;
 using MediatR;
 using CellularManagement.Application.Common;
-using CellularManagement.Application.Services;
 using CellularManagement.Domain.Entities;
 using CellularManagement.Application.Features.Auth.Common;
 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;
 
 namespace CellularManagement.Application.Features.Auth.Commands.AuthenticateUser;
 

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

@@ -1,3 +1,4 @@
+using System;
 using CellularManagement.Application.Features.Auth.Common;
 
 namespace CellularManagement.Application.Features.Auth.Commands.AuthenticateUser;

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

@@ -1,6 +1,7 @@
 using MediatR;
 using System.ComponentModel.DataAnnotations;
 using CellularManagement.Application.Features.Auth.Commands.AuthenticateUser;
+using CellularManagement.Domain.Common;
 
 namespace CellularManagement.Application.Features.Auth.Commands.RefreshToken;
 

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

@@ -1,11 +1,17 @@
 using MediatR;
 using Microsoft.Extensions.Logging;
 using CellularManagement.Application.Common;
-using CellularManagement.Application.Services;
 using System.Security.Claims;
 using CellularManagement.Application.Features.Auth.Commands.AuthenticateUser;
 using CellularManagement.Application.Features.Auth.Common;
 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;
 
 namespace CellularManagement.Application.Features.Auth.Commands.RefreshToken;
 

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

@@ -1,3 +1,4 @@
+using CellularManagement.Domain.Common;
 using MediatR;
 
 namespace CellularManagement.Application.Features.Auth.Commands.RegisterUser;

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

@@ -4,6 +4,11 @@ using MediatR;
 using CellularManagement.Domain.Entities;
 using CellularManagement.Domain.Repositories;
 using Microsoft.Extensions.Options;
+using CellularManagement.Domain.Common;
+using System.Linq;
+using System;
+using System.Threading.Tasks;
+using System.Threading;
 
 namespace CellularManagement.Application.Features.Auth.Commands.RegisterUser;
 

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

@@ -1,3 +1,5 @@
+using System.Collections.Generic;
+
 namespace CellularManagement.Application.Features.Auth.Common;
 
 /// <summary>

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

@@ -1,5 +1,6 @@
 using MediatR;
 using CellularManagement.Application.Common;
+using CellularManagement.Domain.Common;
 
 namespace CellularManagement.Application.Features.Permissions.Commands.CreatePermission;
 

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

@@ -5,6 +5,8 @@ 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;
 

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

@@ -1,3 +1,5 @@
+using System.Collections.Generic;
+using CellularManagement.Domain.Common;
 using MediatR;
 
 namespace CellularManagement.Application.Features.RolePermissions.Commands.AddRolePermissions;

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

@@ -1,6 +1,11 @@
 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;
 

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

@@ -1,3 +1,5 @@
+using System.Collections.Generic;
+using CellularManagement.Domain.Common;
 using MediatR;
 
 namespace CellularManagement.Application.Features.RolePermissions.Commands.DeleteRolePermissions;

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

@@ -1,6 +1,11 @@
 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;
 

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

@@ -1,3 +1,4 @@
+using CellularManagement.Domain.Common;
 using MediatR;
 
 namespace CellularManagement.Application.Features.RolePermissions.Queries.GetRolePermissions;

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

@@ -1,6 +1,11 @@
 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;
 

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

@@ -1,3 +1,4 @@
+using System.Collections.Generic;
 using CellularManagement.Domain.Entities;
 
 namespace CellularManagement.Application.Features.RolePermissions.Queries.GetRolePermissions;

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

@@ -1,3 +1,4 @@
+using CellularManagement.Domain.Common;
 using MediatR;
 
 namespace CellularManagement.Application.Features.Roles.Commands.CreateRole;

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

@@ -1,3 +1,4 @@
+using CellularManagement.Domain.Common;
 using MediatR;
 
 namespace CellularManagement.Application.Features.Roles.Commands.DeleteRole;

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

@@ -4,6 +4,11 @@ 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;
 

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

@@ -1,5 +1,8 @@
 using MediatR;
 using CellularManagement.Application.Common;
+using System;
+using CellularManagement.Domain.Common;
+using System.Collections.Generic;
 
 namespace CellularManagement.Application.Features.Roles.Queries;
 

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

@@ -1,3 +1,4 @@
+using CellularManagement.Domain.Common;
 using MediatR;
 
 namespace CellularManagement.Application.Features.Roles.Queries.GetRole;

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

@@ -1,3 +1,5 @@
+using System;
+
 namespace CellularManagement.Application.Features.Roles.Queries.GetRole;
 
 /// <summary>

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

@@ -5,6 +5,11 @@ 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;
 

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

@@ -1,3 +1,4 @@
+using CellularManagement.Domain.Common;
 using MediatR;
 
 namespace CellularManagement.Application.Features.Users.Commands.CreateUser;

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

@@ -3,6 +3,11 @@ 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;
 

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

@@ -1,3 +1,4 @@
+using CellularManagement.Domain.Common;
 using MediatR;
 
 namespace CellularManagement.Application.Features.Users.Commands.DeleteUser;

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

@@ -3,6 +3,11 @@ 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;
 

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

@@ -1,3 +1,4 @@
+using CellularManagement.Domain.Common;
 using MediatR;
 
 namespace CellularManagement.Application.Features.Users.Commands.UpdateUser;

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

@@ -3,6 +3,11 @@ 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;
 

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

@@ -1,3 +1,4 @@
+using CellularManagement.Domain.Common;
 using MediatR;
 
 namespace CellularManagement.Application.Features.Users.Queries.GetAllUsers;

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

@@ -4,6 +4,11 @@ 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;
 

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

@@ -1,3 +1,5 @@
+using System;
+using System.Collections.Generic;
 using CellularManagement.Application.Features.Users.Queries.Dtos;
 
 namespace CellularManagement.Application.Features.Users.Queries.GetAllUsers;

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

@@ -1,3 +1,4 @@
+using CellularManagement.Domain.Common;
 using MediatR;
 
 namespace CellularManagement.Application.Features.Users.Queries.GetUserById;

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

@@ -3,6 +3,10 @@ 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;
 

src/CellularManagement.Application/Common/OperationResult.cs → src/CellularManagement.Domain/Common/OperationResult.cs

@@ -1,3 +1,8 @@
+using System.Collections.Generic;
+using System.Linq;
+
+namespace CellularManagement.Domain.Common;
+
 /// <summary>
 /// 泛型结果类，用于封装操作结果
 /// </summary>
@@ -73,4 +78,4 @@ public sealed record OperationResult<T>(
     {
         return new OperationResult<T>(null, errorMessages, default);
     }
-}
+} 

src/CellularManagement.Application/Services/ICacheService.cs → src/CellularManagement.Domain/Services/ICacheService.cs

@@ -1,9 +1,10 @@
 using Microsoft.Extensions.Caching.Memory;
 
-namespace CellularManagement.Application.Services;
+namespace CellularManagement.Domain.Services;
 
 /// <summary>
 /// 缓存服务接口
+/// 定义缓存操作的核心业务逻辑
 /// </summary>
 public interface ICacheService
 {

src/CellularManagement.Domain/Services/IEmailService.cs

@@ -0,0 +1,33 @@
+using System.Threading.Tasks;
+
+namespace CellularManagement.Domain.Services;
+
+/// <summary>
+/// 邮箱服务接口
+/// 定义发送邮件和验证邮箱的基本功能
+/// </summary>
+public interface IEmailService
+{
+    /// <summary>
+    /// 发送验证码邮件
+    /// </summary>
+    /// <param name="to">收件人邮箱</param>
+    /// <param name="verificationCode">验证码</param>
+    /// <returns>发送结果</returns>
+    Task<bool> SendVerificationCodeAsync(string to, string verificationCode);
+
+    /// <summary>
+    /// 发送注册成功邮件
+    /// </summary>
+    /// <param name="to">收件人邮箱</param>
+    /// <param name="username">用户名</param>
+    /// <returns>发送结果</returns>
+    Task<bool> SendRegistrationSuccessAsync(string to, string username);
+
+    /// <summary>
+    /// 验证邮箱格式
+    /// </summary>
+    /// <param name="email">邮箱地址</param>
+    /// <returns>验证结果</returns>
+    bool ValidateEmail(string email);
+} 

src/CellularManagement.Domain/Services/IEmailVerificationService.cs

@@ -0,0 +1,25 @@
+using System.Threading.Tasks;
+
+namespace CellularManagement.Domain.Services;
+
+/// <summary>
+/// 邮箱验证码服务接口
+/// 定义验证码生成、发送和验证的核心业务逻辑
+/// </summary>
+public interface IEmailVerificationService
+{
+    /// <summary>
+    /// 生成并发送验证码
+    /// </summary>
+    /// <param name="email">邮箱地址</param>
+    /// <returns>是否发送成功</returns>
+    Task<bool> GenerateAndSendVerificationCodeAsync(string email);
+
+    /// <summary>
+    /// 验证验证码
+    /// </summary>
+    /// <param name="email">邮箱地址</param>
+    /// <param name="code">验证码</param>
+    /// <returns>验证结果</returns>
+    Task<bool> VerifyCodeAsync(string email, string code);
+} 

src/CellularManagement.Application/Services/IJwtProvider.cs → src/CellularManagement.Domain/Services/IJwtProvider.cs

@@ -1,6 +1,7 @@
+using System.Collections.Generic;
 using System.Security.Claims;
 
-namespace CellularManagement.Application.Services;
+namespace CellularManagement.Domain.Services;
 
 /// <summary>
 /// JWT 令牌提供者接口

src/CellularManagement.Application/Services/IKeyRotationService.cs → src/CellularManagement.Domain/Services/IKeyRotationService.cs

@@ -1,9 +1,10 @@
 using System.Threading.Tasks;
 
-namespace CellularManagement.Application.Services;
+namespace CellularManagement.Domain.Services;
 
 /// <summary>
 /// 密钥轮换服务接口
+/// 定义密钥轮换的核心业务逻辑
 /// </summary>
 public interface IKeyRotationService
 {

src/CellularManagement.Infrastructure/DependencyInjection.cs

@@ -6,13 +6,13 @@ using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
 using CellularManagement.Domain.Entities;
 using CellularManagement.Domain.Repositories;
-using CellularManagement.Application.Services;
 using CellularManagement.Infrastructure.Services;
 using Scrutor;
 using Microsoft.AspNetCore.Authentication.JwtBearer;
 using Microsoft.Extensions.Options;
 using Microsoft.IdentityModel.Tokens;
 using CellularManagement.Infrastructure.Configurations;
+using CellularManagement.Domain.Services;
 
 namespace CellularManagement.Infrastructure;
 
@@ -49,6 +49,11 @@ public static class DependencyInjection
         // 添加 JWT 服务
         services.AddJwtServices(configuration);
 
+        // 添加邮箱服务
+        services.Configure<EmailOptions>(configuration.GetSection(EmailOptions.SectionName));
+        services.AddScoped<IEmailService, EmailService>();
+        services.AddScoped<IEmailVerificationService, EmailVerificationService>();
+
         // 配置数据库选项
         services.Configure<DatabaseOptions>(configuration.GetSection(DatabaseOptions.SectionName));
         var databaseOptionsConfig = configuration.GetSection(DatabaseOptions.SectionName).Get<DatabaseOptions>();

src/CellularManagement.Infrastructure/Options/EmailOptions.cs

@@ -0,0 +1,42 @@
+namespace CellularManagement.Infrastructure.Options;
+
+/// <summary>
+/// 邮箱配置选项
+/// </summary>
+public class EmailOptions
+{
+    /// <summary>
+    /// 配置节点名称
+    /// </summary>
+    public const string SectionName = "Email";
+
+    /// <summary>
+    /// SMTP服务器地址
+    /// </summary>
+    public string SmtpServer { get; set; } = string.Empty;
+
+    /// <summary>
+    /// SMTP服务器端口
+    /// </summary>
+    public int SmtpPort { get; set; }
+
+    /// <summary>
+    /// 发件人邮箱地址
+    /// </summary>
+    public string FromEmail { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 发件人显示名称
+    /// </summary>
+    public string FromName { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 邮箱密码或授权码
+    /// </summary>
+    public string Password { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 是否启用SSL
+    /// </summary>
+    public bool EnableSsl { get; set; }
+} 

src/CellularManagement.Infrastructure/Services/CacheService.cs

@@ -1,4 +1,5 @@
-using CellularManagement.Application.Services;
+
+using CellularManagement.Domain.Services;
 using Microsoft.Extensions.Caching.Memory;
 
 namespace CellularManagement.Infrastructure.Services;

src/CellularManagement.Infrastructure/Services/EmailService.cs

@@ -0,0 +1,116 @@
+using System;
+using System.Text.RegularExpressions;
+using System.Threading.Tasks;
+using CellularManagement.Domain.Services;
+using CellularManagement.Infrastructure.Options;
+using MailKit.Net.Smtp;
+using MailKit.Security;
+using Microsoft.Extensions.Options;
+using MimeKit;
+
+namespace CellularManagement.Infrastructure.Services;
+
+/// <summary>
+/// 邮箱服务实现类
+/// </summary>
+public class EmailService : IEmailService
+{
+    private readonly EmailOptions _emailOptions;
+
+    /// <summary>
+    /// 构造函数
+    /// </summary>
+    /// <param name="emailOptions">邮箱配置选项</param>
+    public EmailService(IOptions<EmailOptions> emailOptions)
+    {
+        _emailOptions = emailOptions.Value;
+    }
+
+    /// <summary>
+    /// 发送验证码邮件
+    /// </summary>
+    public async Task<bool> SendVerificationCodeAsync(string to, string verificationCode)
+    {
+        try
+        {
+            var message = new MimeMessage();
+            message.From.Add(new MailboxAddress(_emailOptions.FromName, _emailOptions.FromEmail));
+            message.To.Add(new MailboxAddress("", to));
+            message.Subject = "邮箱验证码";
+
+            var bodyBuilder = new BodyBuilder
+            {
+                HtmlBody = $@"
+                    <h2>您的验证码</h2>
+                    <p>您的验证码是：<strong>{verificationCode}</strong></p>
+                    <p>验证码有效期为5分钟，请尽快使用。</p>
+                    <p>如果这不是您的操作，请忽略此邮件。</p>"
+            };
+
+            message.Body = bodyBuilder.ToMessageBody();
+
+            using var client = new SmtpClient();
+            await client.ConnectAsync(_emailOptions.SmtpServer, _emailOptions.SmtpPort, _emailOptions.EnableSsl ? SecureSocketOptions.SslOnConnect : SecureSocketOptions.StartTls);
+            await client.AuthenticateAsync(_emailOptions.FromEmail, _emailOptions.Password);
+            await client.SendAsync(message);
+            await client.DisconnectAsync(true);
+
+            return true;
+        }
+        catch (Exception)
+        {
+            return false;
+        }
+    }
+
+    /// <summary>
+    /// 发送注册成功邮件
+    /// </summary>
+    public async Task<bool> SendRegistrationSuccessAsync(string to, string username)
+    {
+        try
+        {
+            var message = new MimeMessage();
+            message.From.Add(new MailboxAddress(_emailOptions.FromName, _emailOptions.FromEmail));
+            message.To.Add(new MailboxAddress(username, to));
+            message.Subject = "注册成功通知";
+
+            var bodyBuilder = new BodyBuilder
+            {
+                HtmlBody = $@"
+                    <h2>注册成功</h2>
+                    <p>尊敬的 {username}：</p>
+                    <p>恭喜您成功注册我们的服务！</p>
+                    <p>您现在可以使用注册的邮箱和密码登录系统。</p>
+                    <p>如有任何问题，请随时联系我们。</p>"
+            };
+
+            message.Body = bodyBuilder.ToMessageBody();
+
+            using var client = new SmtpClient();
+            await client.ConnectAsync(_emailOptions.SmtpServer, _emailOptions.SmtpPort, _emailOptions.EnableSsl ? SecureSocketOptions.SslOnConnect : SecureSocketOptions.StartTls);
+            await client.AuthenticateAsync(_emailOptions.FromEmail, _emailOptions.Password);
+            await client.SendAsync(message);
+            await client.DisconnectAsync(true);
+
+            return true;
+        }
+        catch (Exception)
+        {
+            return false;
+        }
+    }
+
+    /// <summary>
+    /// 验证邮箱格式
+    /// </summary>
+    public bool ValidateEmail(string email)
+    {
+        if (string.IsNullOrWhiteSpace(email))
+            return false;
+
+        // 使用正则表达式验证邮箱格式
+        const string pattern = @"^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$";
+        return Regex.IsMatch(email, pattern);
+    }
+} 

src/CellularManagement.Infrastructure/Services/EmailVerificationService.cs

@@ -0,0 +1,132 @@
+using System;
+using System.Threading.Tasks;
+using CellularManagement.Domain.Services;
+using Microsoft.Extensions.Caching.Distributed;
+using System.Text.Json;
+
+namespace CellularManagement.Infrastructure.Services;
+
+/// <summary>
+/// 邮箱验证码服务
+/// 提供验证码生成、发送和验证的具体实现
+/// </summary>
+public class EmailVerificationService : IEmailVerificationService
+{
+    private readonly IEmailService _emailService;
+    private readonly IDistributedCache _cache;
+    private const string CacheKeyPrefix = "EmailVerification_";
+    private const int VerificationCodeLength = 6;
+    private const int VerificationCodeExpirationMinutes = 5;
+
+    /// <summary>
+    /// 构造函数
+    /// </summary>
+    /// <param name="emailService">邮箱服务</param>
+    /// <param name="cache">分布式缓存</param>
+    public EmailVerificationService(IEmailService emailService, IDistributedCache cache)
+    {
+        _emailService = emailService;
+        _cache = cache;
+    }
+
+    /// <summary>
+    /// 生成并发送验证码
+    /// </summary>
+    /// <param name="email">邮箱地址</param>
+    /// <returns>是否发送成功</returns>
+    public async Task<bool> GenerateAndSendVerificationCodeAsync(string email)
+    {
+        if (!_emailService.ValidateEmail(email))
+        {
+            return false;
+        }
+
+        // 生成6位数字验证码
+        var verificationCode = GenerateVerificationCode();
+        
+        // 将验证码保存到缓存
+        var cacheKey = $"{CacheKeyPrefix}{email}";
+        var cacheValue = JsonSerializer.Serialize(new
+        {
+            Code = verificationCode,
+            CreatedAt = DateTime.UtcNow
+        });
+
+        await _cache.SetStringAsync(
+            cacheKey,
+            cacheValue,
+            new DistributedCacheEntryOptions
+            {
+                AbsoluteExpirationRelativeToNow = TimeSpan.FromMinutes(VerificationCodeExpirationMinutes)
+            });
+
+        // 发送验证码邮件
+        return await _emailService.SendVerificationCodeAsync(email, verificationCode);
+    }
+
+    /// <summary>
+    /// 验证验证码
+    /// </summary>
+    /// <param name="email">邮箱地址</param>
+    /// <param name="code">验证码</param>
+    /// <returns>验证结果</returns>
+    public async Task<bool> VerifyCodeAsync(string email, string code)
+    {
+        var cacheKey = $"{CacheKeyPrefix}{email}";
+        var cachedValue = await _cache.GetStringAsync(cacheKey);
+
+        if (string.IsNullOrEmpty(cachedValue))
+        {
+            return false;
+        }
+
+        var verificationData = JsonSerializer.Deserialize<VerificationData>(cachedValue);
+        
+        if (verificationData == null)
+        {
+            return false;
+        }
+
+        // 验证码是否过期
+        if (DateTime.UtcNow - verificationData.CreatedAt > TimeSpan.FromMinutes(VerificationCodeExpirationMinutes))
+        {
+            await _cache.RemoveAsync(cacheKey);
+            return false;
+        }
+
+        // 验证码是否匹配
+        if (verificationData.Code != code)
+        {
+            return false;
+        }
+
+        // 验证成功后删除缓存
+        await _cache.RemoveAsync(cacheKey);
+        return true;
+    }
+
+    /// <summary>
+    /// 生成验证码
+    /// </summary>
+    private string GenerateVerificationCode()
+    {
+        var random = new Random();
+        var code = string.Empty;
+        
+        for (int i = 0; i < VerificationCodeLength; i++)
+        {
+            code += random.Next(0, 10).ToString();
+        }
+
+        return code;
+    }
+
+    /// <summary>
+    /// 验证数据
+    /// </summary>
+    private class VerificationData
+    {
+        public string Code { get; set; } = string.Empty;
+        public DateTime CreatedAt { get; set; }
+    }
+} 

src/CellularManagement.Infrastructure/Services/JwtProvider.cs

@@ -1,13 +1,13 @@
 using System.IdentityModel.Tokens.Jwt;
 using System.Security.Claims;
 using System.Text;
-using CellularManagement.Application.Services;
 using CellularManagement.Infrastructure.Options;
 using Microsoft.Extensions.Options;
 using Microsoft.IdentityModel.Tokens;
 using Microsoft.Extensions.Logging;
 using Microsoft.Extensions.Caching.Memory;
 using System.Text.Json;
+using CellularManagement.Domain.Services;
 
 namespace CellularManagement.Infrastructure.Services;
 

src/CellularManagement.Infrastructure/Services/KeyRotationBackgroundService.cs

@@ -1,7 +1,7 @@
 using System;
 using System.Threading;
 using System.Threading.Tasks;
-using CellularManagement.Application.Services;
+using CellularManagement.Domain.Services;
 using Microsoft.Extensions.Hosting;
 using Microsoft.Extensions.Logging;
 

src/CellularManagement.Infrastructure/Services/KeyRotationService.cs

@@ -2,10 +2,10 @@ using System;
 using System.Security.Cryptography;
 using System.Text;
 using System.Threading.Tasks;
-using CellularManagement.Application.Services;
 using CellularManagement.Infrastructure.Options;
 using Microsoft.Extensions.Options;
 using Microsoft.Extensions.Logging;
+using CellularManagement.Domain.Services;
 
 namespace CellularManagement.Infrastructure.Services;
 

src/CellularManagement.Presentation/Controllers/AuthController.cs

@@ -5,7 +5,7 @@ using CellularManagement.Application.Features.Auth.Commands.RegisterUser;
 using CellularManagement.Application.Features.Auth.Commands.RefreshToken;
 using CellularManagement.Application.Common;
 using Microsoft.Extensions.Logging;
-using CellularManagement.Application.Services;
+using CellularManagement.Domain.Services;
 using Microsoft.Extensions.Caching.Memory;
 using CellularManagement.Infrastructure.Configurations;
 using Microsoft.Extensions.Options;
@@ -13,6 +13,7 @@ using Microsoft.AspNetCore.Http;
 using CellularManagement.Presentation.Abstractions;
 using CellularManagement.Application.Features.Auth.Commands.Login;
 using Swashbuckle.AspNetCore.Filters;
+using CellularManagement.Domain.Common;
 
 namespace CellularManagement.Presentation.Controllers;
 

src/CellularManagement.Presentation/Controllers/PermissionsController.cs

@@ -6,6 +6,7 @@ using CellularManagement.Application.Common;
 using Microsoft.Extensions.Logging;
 using Microsoft.AspNetCore.Http;
 using CellularManagement.Presentation.Abstractions;
+using CellularManagement.Domain.Common;
 
 namespace CellularManagement.Presentation.Controllers;
 

src/CellularManagement.Presentation/Controllers/RolePermissionController.cs

@@ -7,6 +7,7 @@ using CellularManagement.Application.Features.RolePermissions.Queries.GetRolePer
 using CellularManagement.Application.Common;
 using Microsoft.AspNetCore.Http;
 using CellularManagement.Presentation.Abstractions;
+using CellularManagement.Domain.Common;
 
 namespace CellularManagement.Presentation.Controllers;
 

src/CellularManagement.Presentation/Controllers/RolesController.cs

@@ -9,6 +9,7 @@ using CellularManagement.Application.Common;
 using Microsoft.Extensions.Logging;
 using Microsoft.AspNetCore.Http;
 using CellularManagement.Presentation.Abstractions;
+using CellularManagement.Domain.Common;
 
 namespace CellularManagement.Presentation.Controllers;
 

src/CellularManagement.Presentation/Controllers/UsersController.cs

@@ -8,9 +8,10 @@ using CellularManagement.Application.Features.Users.Queries.GetAllUsers;
 using CellularManagement.Presentation.Abstractions;
 using CellularManagement.Application.Common;
 using Microsoft.Extensions.Logging;
-using CellularManagement.Application.Services;
+using CellularManagement.Domain.Services;
 using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Authorization;
+using CellularManagement.Domain.Common;
 
 namespace CellularManagement.Presentation.Controllers;
 

src/CellularManagement.Presentation/appsettings.json

@@ -0,0 +1,17 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  },
+  "AllowedHosts": "*",
+  "Email": {
+    "SmtpServer": "smtp.example.com",
+    "SmtpPort": 587,
+    "FromEmail": "noreply@example.com",
+    "FromName": "系统通知",
+    "Password": "your-email-password",
+    "EnableSsl": true
+  }
+}