feat.PLONDS系统开发

LanDesktopPLONDS.installer/Program.cs

@@ -1,5 +1,7 @@
 using Avalonia;
+using Avalonia.Controls.ApplicationLifetimes;
 using Avalonia.Win32;
+using LanDesktopPLONDS.Installer.Services;
 
 namespace LanDesktopPLONDS.Installer;
 
@@ -9,14 +11,55 @@ public static class Program
     public static void Main(string[] args)
     {
         InstallerStartupDiagnostics.Initialize();
+
+        // 解析命令行参数
+        var uninstallMode = false;
+        var uninstallSilent = false;
+        string? uninstallPath = null;
+
+        for (var i = 0; i < args.Length; i++)
+        {
+            if (args[i].Equals("--uninstall", StringComparison.OrdinalIgnoreCase))
+            {
+                uninstallMode = true;
+                // 下一个参数是可选的 installPath
+                if (i + 1 < args.Length && !args[i + 1].StartsWith("-", StringComparison.Ordinal))
+                {
+                    uninstallPath = args[i + 1];
+                    i++;
+                }
+            }
+            else if (args[i].Equals("--uninstall-silent", StringComparison.OrdinalIgnoreCase))
+            {
+                uninstallMode = true;
+                uninstallSilent = true;
+                // 下一个参数是可选的 installPath
+                if (i + 1 < args.Length && !args[i + 1].StartsWith("-", StringComparison.Ordinal))
+                {
+                    uninstallPath = args[i + 1];
+                    i++;
+                }
+            }
+        }
+
+        // 卸载模式
+        if (uninstallMode)
+        {
+            RunUninstall(uninstallPath, uninstallSilent);
+            return;
+        }
+
+        // 单实例检查
+        using var singleInstance = new InstallerSingleInstance();
+        if (!singleInstance.TryAcquire())
+        {
+            Console.Error.WriteLine("安装程序已在运行，无法启动第二个实例。");
+            Environment.Exit(2);
+            return;
+        }
+
         try
         {
-            InstallerStartupDiagnostics.Log("Preparing native dependencies.");
-            if (!NativeDependencyBootstrapper.TryPrepare())
-            {
-                throw new InvalidOperationException("Failed to prepare native dependencies.");
-            }
-
             InstallerStartupDiagnostics.Log("Starting Avalonia desktop lifetime.");
             BuildAvaloniaApp().StartWithClassicDesktopLifetime(args);
         }
@@ -26,6 +69,99 @@ public static class Program
         }
     }
 
+    /// <summary>
+    /// 执行卸载流程。
+    /// </summary>
+    private static void RunUninstall(string? installPath, bool silent)
+    {
+        if (string.IsNullOrWhiteSpace(installPath))
+        {
+            Console.Error.WriteLine("卸载需要指定安装路径参数。");
+            Environment.Exit(1);
+            return;
+        }
+
+        try
+        {
+            // 非静默模式：显示确认窗口
+            if (!silent)
+            {
+                var confirmed = ShowUninstallConfirmation(installPath);
+                if (!confirmed)
+                {
+                    Console.WriteLine("用户取消了卸载操作。");
+                    Environment.Exit(0);
+                    return;
+                }
+            }
+
+            var service = new UninstallService(installPath, silent);
+            var success = service.Execute();
+            Environment.Exit(success ? 0 : 1);
+        }
+        catch (UnauthorizedAccessException ex)
+        {
+            Console.Error.WriteLine($"卸载失败：{ex.Message}");
+            Environment.Exit(1);
+        }
+        catch (InvalidOperationException ex)
+        {
+            Console.Error.WriteLine($"卸载失败：{ex.Message}");
+            Environment.Exit(1);
+        }
+        catch (Exception ex)
+        {
+            Console.Error.WriteLine($"卸载过程中发生意外错误：{ex.Message}");
+            Environment.Exit(1);
+        }
+    }
+
+    /// <summary>
+    /// 显示卸载确认窗口（非静默模式）。
+    /// 返回 true 表示用户确认卸载。
+    /// </summary>
+    private static bool ShowUninstallConfirmation(string installPath)
+    {
+        var confirmed = false;
+        var resetEvent = new ManualResetEventSlim(false);
+
+        // 在新线程启动 Avalonia 卸载确认窗口
+        var thread = new Thread(() =>
+        {
+            try
+            {
+                var appBuilder = AppBuilder.Configure<UninstallConfirmApp>()
+                    .UsePlatformDetect()
+                    .With(new Win32PlatformOptions
+                    {
+                        RenderingMode = [Win32RenderingMode.Software],
+                        CompositionMode = [Win32CompositionMode.RedirectionSurface]
+                    });
+
+                var app = new UninstallConfirmApp();
+                app.ConfirmAction += result =>
+                {
+                    confirmed = result;
+                    resetEvent.Set();
+                    app.ShutdownApp();
+                };
+                app.InstallPath = installPath;
+
+                appBuilder.StartWithClassicDesktopLifetime([]);
+            }
+            catch
+            {
+                resetEvent.Set();
+            }
+        });
+
+        thread.SetApartmentState(ApartmentState.STA);
+        thread.Start();
+        resetEvent.Wait();
+
+        return confirmed;
+    }
+
     public static AppBuilder BuildAvaloniaApp()
     {
         return AppBuilder.Configure<App>()
@@ -37,3 +173,64 @@ public static class Program
             });
     }
 }
+
+/// <summary>
+/// 卸载确认窗口的临时 App 类。
+/// </summary>
+internal sealed class UninstallConfirmApp : Application
+{
+    private IClassicDesktopStyleApplicationLifetime? _lifetime;
+
+    public event Action<bool>? ConfirmAction;
+    public string InstallPath { get; set; } = string.Empty;
+
+    public override void OnFrameworkInitializationCompleted()
+    {
+        if (ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop)
+        {
+            _lifetime = desktop;
+            var window = new Views.UninstallConfirmWindow
+            {
+                DataContext = new UninstallConfirmViewModel(InstallPath, ConfirmAction!)
+            };
+            desktop.MainWindow = window;
+            window.Show();
+        }
+
+        base.OnFrameworkInitializationCompleted();
+    }
+
+    /// <summary>
+    /// 关闭应用程序。
+    /// </summary>
+    public void ShutdownApp()
+    {
+        _lifetime?.Shutdown();
+    }
+}
+
+/// <summary>
+/// 卸载确认窗口的视图模型。
+/// </summary>
+internal sealed class UninstallConfirmViewModel
+{
+    private readonly Action<bool> _confirmAction;
+
+    public UninstallConfirmViewModel(string installPath, Action<bool> confirmAction)
+    {
+        InstallPath = installPath;
+        _confirmAction = confirmAction;
+    }
+
+    public string InstallPath { get; }
+
+    public void Confirm()
+    {
+        _confirmAction(true);
+    }
+
+    public void Cancel()
+    {
+        _confirmAction(false);
+    }
+}