MyAvaloniaDemo/ViewModels/Base/RoutableViewModel.cs

using ReactiveUI;

namespace MyAvaloniaApp.ViewModels.Base;

/// <summary>
/// 可路由的 ViewModel 基类，实现 IRoutableViewModel 接口
/// </summary>
public abstract class RoutableViewModel : ReactiveObject, IRoutableViewModel
{
    /// <summary>
    /// 路由 URL 路径
    /// </summary>
    public string? UrlPathSegment { get; protected set; } = "未知路由";

    /// <summary>
    /// 宿主 Screen (IScreen 实例)
    /// </summary>
    public IScreen HostScreen { get; protected set; } = null!;

    /// <summary>
    /// 构造函数
    /// </summary>
    /// <param name="hostScreen">宿主 Screen</param>
    /// <param name="urlPathSegment">路由 URL 路径</param>
    protected RoutableViewModel(IScreen hostScreen, string? urlPathSegment = null)
    {
        HostScreen = hostScreen;
        UrlPathSegment = urlPathSegment ?? GetType().Name.Replace("ViewModel", string.Empty);
    }
}