using System; using System.Collections.Generic; using System.IO; using System.Linq; using System.Text; using System.Threading.Tasks;   namespace LogHelper  {     public static class LogHelper     {         //拼接日志目录         static string appLogPath = AppDomain.CurrentDomain.BaseDirectory + "log/";         /// <summary>         /// 写入日志         /// </summary>         /// <param name="ex">异常对象</param>         public static void WriteLog(Exception ex)         {             //日志目录是否存在 不存在创建             if (!Directory.Exists(appLogPath))            {                Directory.CreateDirectory(appLogPath);            }             StringBuilder logInfo = new StringBuilder("");            string currentTime = System.DateTime.Now.ToString("[yyyy-MM-dd HH:mm:ss]");            if (ex != null)             {                logInfo.Append("\n");                logInfo.Append(currentTime + "\n");                 //获取描述当前的异常的信息                 logInfo.Append(ex.Message + "\n");                //获取当前实例的运行时类型                 logInfo.Append(ex.GetType() + "\n");                 //获取或设置导致错误的应用程序或对象的名称                 logInfo.Append(ex.Source + "\n");                 //获取引发当前异常的方法                logInfo.Append(ex.TargetSite + "\n");                 //获取调用堆栈上直接桢的字符串表示形式                 logInfo.Append( ex.StackTrace + "\n");             }             System.IO.File.AppendAllText(appLogPath + DateTime.Now.ToString("yyyy-MM-dd") + ".log", logInfo.ToString());         }      } }

     try             {                 while (true)                 {                     int a = Convert.ToInt32(Console.ReadLine());                     Console.WriteLine("您输入的是:" + a);                 }              }             catch (Exception ex)             {                 LogHelper.WriteLog(ex);             }             Console.Write("OVER");            Console.Read(); }