C#记录系统异常信息并写入日志
static class Program { /// <summary> /// 应用程序的主入口点。 /// </summary> [STAThread] static void Main() { try { //设置应用程序处理异常方式:ThreadException处理 Application.SetUnhandledExceptionMode(UnhandledExceptionMode.CatchException); //处理UI线程异常 Application.ThreadException += new System.Threading.ThreadExceptionEventHandler(Application_ThreadException); //处理非UI线程异常 AppDomain.CurrentDomain.UnhandledException += new UnhandledExceptionEventHandler(CurrentDomain_UnhandledException); #region 应用程序的主入口点 Application.EnableVisualStyles(); Application.SetCompatibleTextRenderingDefault(false); Application.Run(new Form1()); #endregion } catch (Exception ex) { string str = GetExceptionMsg(ex,string.Empty); MessageBox.Show(str, "系统错误", MessageBoxButtons.OK, MessageBoxIcon.Error); } } static void Application_ThreadException(object sender, System.Threading.ThreadExceptionEventArgs e) { string str = GetExceptionMsg(e.Exception, e.ToString()); MessageBox.Show(str, "系统错误", MessageBoxButtons.OK, MessageBoxIcon.Error); //LogManager.WriteLog(str); } static void CurrentDomain_UnhandledException(object sender, UnhandledExceptionEventArgs e) { string str = GetExceptionMsg(e.ExceptionObject as Exception, e.ToString()); MessageBox.Show(str, "系统错误", MessageBoxButtons.OK, MessageBoxIcon.Error); //LogManager.WriteLog(str); } /// <summary> /// 生成自定义异常消息 /// </summary> /// <param name="ex">异常对象</param> /// <param name="backStr">备用异常消息:当ex为null时有效</param> /// <returns>异常字符串文本</returns> static string GetExceptionMsg(Exception ex,string backStr) { StringBuilder sb = new StringBuilder(); sb.AppendLine("****************************异常文本****************************"); sb.AppendLine("【出现时间】:" + DateTime.Now.ToString()); if (ex != null) { sb.AppendLine("【异常类型】:" + ex.GetType().Name); sb.AppendLine("【异常信息】:" + ex.Message); sb.AppendLine("【堆栈调用】:" + ex.StackTrace); } else { sb.AppendLine("【未处理异常】:" + backStr); } sb.AppendLine("***************************************************************"); return sb.ToString(); } }