1 public App() 2 { 3 ShutdownMode = System.Windows.ShutdownMode.OnMainWindowClose; 4 5 App.Current.DispatcherUnhandledException += new DispatcherUnhandledExceptionEventHandler(Current_DispatcherUnhandledException); 6 AppDomain.CurrentDomain.UnhandledException += new UnhandledExceptionEventHandler(CurrentDomain_UnhandledException); 7 Dispatcher.UnhandledException += new DispatcherUnhandledExceptionEventHandler(Dispatcher_UnhandledException); 8 } 9 10 /// <summary> 11 /// Handles the UnhandledException event of the Dispatcher. 12 /// </summary> 13 /// <param name="sender">The source of the event.</param> 14 /// <param name="e">The <see cref="System.Windows.Threading.DispatcherUnhandledExceptionEventArgs"/> instance containing the event data.</param> 15 void Dispatcher_UnhandledException(object sender, DispatcherUnhandledExceptionEventArgs e) 16 { 17 string str = GetExceptionMsg(e.Exception as Exception, e.ToString()); 18 Util.Log.Logger.Error("Dispatcher_UnhandledException: " + str); 19 //MessageBox.Show(str, "系统错误", MessageBoxButton.OK, MessageBoxImage.Error); 20 Helper.Notice.Error("未知系统异常，" + e.Exception.Message); 21 22 App.Current.Shutdown(); 23 Environment.Exit(-1); 24 } 25 26 /// <summary> 27 /// Handles the UnhandledException event of the current application domain. 28 /// </summary> 29 /// <param name="sender">The source of the event.</param> 30 /// <param name="e">The <see cref="System.UnhandledExceptionEventArgs"/> instance containing the event data.</param> 31 void CurrentDomain_UnhandledException(object sender, UnhandledExceptionEventArgs e) 32 { 33 string str = GetExceptionMsg(e.ExceptionObject as Exception, e.ToString()); 34 Util.Log.Logger.Error("CurrentDomain_UnhandledException: " + str); 35 //MessageBox.Show(str, "系统错误", MessageBoxButton.OK, MessageBoxImage.Error); 36 Helper.Notice.Error("未知系统异常，" + (e.ExceptionObject as Exception).Message); 37 38 App.Current.Shutdown(); 39 Environment.Exit(-1); 40 } 41 42 /// <summary> 43 /// Handles the DispatcherUnhandledException event of the current Application. 44 /// </summary> 45 /// <param name="sender">The source of the event.</param> 46 /// <param name="e">The <see cref="System.Windows.Threading.DispatcherUnhandledExceptionEventArgs"/> instance containing the event data.</param> 47 void Current_DispatcherUnhandledException(object sender, DispatcherUnhandledExceptionEventArgs ex) 48 { 49 var str = GetExceptionMsg(ex.Exception, ex.ToString()); 50 Util.Log.Logger.Error("Current_DispatcherUnhandledException: " + str); 51 //MessageBox.Show(str, "系统错误", MessageBoxButton.OK, MessageBoxImage.Error); 52 Helper.Notice.Error("未知系统异常，" + ex.Exception.Message); 53 System.Threading.Thread.Sleep(2000); 54 App.Current.Shutdown(); 55 Environment.Exit(-1); 56 } 57 58 private static string GetExceptionMsg(Exception ex, string backStr) 59 { 60 var sb = new StringBuilder(); 61 sb.AppendLine("****************************异常文本****************************"); 62 sb.AppendLine("【出现时间】：" + DateTime.Now); 63 if (ex != null) 64 { 65 sb.AppendLine("【异常类型】：" + ex.GetType().Name); 66 sb.AppendLine("【异常信息】：" + ex.Message); 67 if (ex is ReflectionTypeLoadException) 68 { 69 var le = ex as ReflectionTypeLoadException; 70 foreach (var exception in le.LoaderExceptions) 71 { 72 sb.AppendLine("【加载异常】：" + exception.Message); 73 } 74 } 75 else 76 { 77 sb.AppendLine("【堆栈调用】：" + ex.StackTrace); 78 sb.AppendLine("【其他错误】：" + ex.Source); 79 } 80 var innexcpetion = ex.InnerException; 81 var innIndex = 0; 82 while (innexcpetion != null) 83 { 84 sb.AppendLine($"【内部异常{innIndex++}】：" + innexcpetion.Source); 85 innexcpetion = innexcpetion.InnerException; 86 } 87 } 88 else 89 { 90 sb.AppendLine("【未处理异常】：" + backStr); 91 } 92 sb.AppendLine("***************************************************************"); 93 94 return sb.ToString(); 95 }
在App里面定义，然后捕捉异常，记录日志。
