/// <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();

}