feat: 初始功能

App.xaml.cs

@@ -0,0 +1,38 @@
+using System.Windows.Threading;
+using CloudPrint.Client.Models;
+using CloudPrint.Client.Services;
+
+namespace CloudPrint.Client;
+
+public partial class App : System.Windows.Application
+{
+	private readonly FileAppLogger _logger = new();
+
+	protected override void OnStartup(System.Windows.StartupEventArgs e)
+	{
+		base.OnStartup(e);
+		DispatcherUnhandledException += OnDispatcherUnhandledException;
+		AppDomain.CurrentDomain.UnhandledException += OnUnhandledException;
+		TaskScheduler.UnobservedTaskException += OnUnobservedTaskException;
+	}
+
+	private void OnDispatcherUnhandledException(object sender, DispatcherUnhandledExceptionEventArgs e)
+	{
+		_logger.Write(AppLogEntry.FromException("UI 未处理异常", e.Exception));
+		e.Handled = true;
+	}
+
+	private void OnUnhandledException(object sender, UnhandledExceptionEventArgs e)
+	{
+		if (e.ExceptionObject is Exception exception)
+		{
+			_logger.Write(AppLogEntry.FromException("应用未处理异常", exception));
+		}
+	}
+
+	private void OnUnobservedTaskException(object? sender, UnobservedTaskExceptionEventArgs e)
+	{
+		_logger.Write(AppLogEntry.FromException("后台任务未观察异常", e.Exception));
+		e.SetObserved();
+	}
+}