C# 打印异常

1. [代码]函数：将异常打印到LOG文件     跳至 [1] [2] [4] [全屏预览]

?

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26

/// <summary> /// 将异常打印到LOG文件 /// </summary> /// <param name="ex">异常</param> /// <param name="LogAddress">日志文件地址</param> public static void WriteLog(Exception ex, string LogAddress = "") {     //如果日志文件为空，则默认在Debug目录下新建 YYYY-mm-dd_Log.log文件     if (LogAddress == "")     {         LogAddress = Environment.CurrentDirectory + '\\' +             DateTime.Now.Year + '-' +             DateTime.Now.Month + '-' +             DateTime.Now.Day + "_Log.log";     }       //把异常信息输出到文件     StreamWriter sw = new StreamWriter(LogAddress, true);     sw.WriteLine("当前时间：" + DateTime.Now.ToString());     sw.WriteLine("异常信息：" + ex.Message);     sw.WriteLine("异常对象：" + ex.Source);     sw.WriteLine("调用堆栈：\n" + ex.StackTrace.Trim());     sw.WriteLine("触发方法：" + ex.TargetSite);     sw.WriteLine();     sw.Close(); }

2. [代码]调用方法

?

1 2 3 4 5 6 7 8

try {     throw new Exception("测试异常"); } catch (Exception ex) {     WriteLog(ex); }

3. [图片] 测试异常.png

4. [代码]多线程调用函数，需要在函数体内部用到lock关键字

?

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60

static void Main(string[] args) {     Thread th1 = new Thread(new ParameterizedThreadStart(MakeException));     Thread th2 = new Thread(new ParameterizedThreadStart(MakeException));       th1.Start("Thread1");     th2.Start("Thread2"); }   /// <summary> /// 制造异常 /// </summary> /// <param name="Tag">传入标签</param> public static void MakeException(object Tag) {     while (true)     {         try         {             throw new Exception("测试异常");         }         catch (Exception ex)         {             WriteLog(ex, Tag.ToString());         }     } }   public static object locker = new object();   /// <summary> /// 将异常打印到LOG文件 /// </summary> /// <param name="ex">异常</param> /// <param name="LogAddress">日志文件地址</param> /// <param name="Tag">传入标签（这里用于标识函数由哪个线程调用）</param> public static void WriteLog(Exception ex, string Tag = "", string LogAddress = "") {     lock (locker)     {         //如果日志文件为空，则默认在Debug目录下新建 YYYY-mm-dd_Log.log文件         if (LogAddress == "")         {             LogAddress = Environment.CurrentDirectory + '\\' +                 DateTime.Now.Year + '-' +                 DateTime.Now.Month + '-' +                 DateTime.Now.Day + "_Log.log";         }           //把异常信息输出到文件         StreamWriter sw = new StreamWriter(LogAddress, true);         sw.WriteLine(String.Concat('[', DateTime.Now.ToString(), "] Tag:" + Tag));         sw.WriteLine("异常信息：" + ex.Message);         sw.WriteLine("异常对象：" + ex.Source);         sw.WriteLine("调用堆栈：\n" + ex.StackTrace.Trim());         sw.WriteLine("触发方法：" + ex.TargetSite);         sw.WriteLine();         sw.Close();     } }

1 2 3 4

if (!Directory.Exists(sPath)) {      Directory.CreateDirectory(sPath); }