output oneself log txt

 1 using System;
 2 using System.Collections.Generic;
 3 using System.Linq;
 4 using System.Text;
 5 using System.Threading.Tasks;
 6 //using System.Diagnostics;
 7 using System.IO;
 8 
 9 
10 namespace ConsoleApplication1
11 {
12     class Program
13     {
14         static void Main(string[] args)
15         {
16             int i;
17             int j;
18 
19             try
20             {
21                 i = 0;
22                 j = 2 / i;
23             }
24             catch (Exception ex)
25             {
26                 WriteLog(ex);
27             }
28             finally
29             {
30                 j = 2 / 1;
31                 Console.Write(j);
32                 Console.ReadLine();
33             }
34         }
35 
36         ///<summary>
37         ///打印异常
38         ///</summary>
39         ///<param name="ex">异常</param>
40         ///<param name="LogAddress">日志文件地址</param>
41         public static void WriteLog(Exception ex, string LogAddress = "")
42         {
43             //if日志文件为空，默认在Debug目录下建立
44             if (LogAddress == "")
45             {
46                 LogAddress = Environment.CurrentDirectory + '\' +
47                     DateTime.Now.Year + '-' +
48                     DateTime.Now.Month + '-' +
49                     DateTime.Now.Day + "_Log.log";
50             }
51 
52             //将异常信息输出到文件
53             StreamWriter fs = new StreamWriter(LogAddress, true);
54             fs.WriteLine("当前信息:" + DateTime.Now.ToString());
55             fs.WriteLine("异常信息:" + ex.Message);
56             fs.WriteLine("异常信息:" + ex.Source);
57             fs.WriteLine("调用堆栈:
" + ex.StackTrace.Trim());
58             fs.WriteLine("触发方法:" + ex.TargetSite);
59             fs.WriteLine();
60             fs.Close();
61         }
62     }
63 }