output oneself log txt

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
//using System.Diagnostics;
using System.IO;


namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            int i;
            int j;

            try
            {
                i = 0;
                j = 2 / i;
            }
            catch (Exception ex)
            {
                WriteLog(ex);
            }
            finally
            {
                j = 2 / 1;
                Console.Write(j);
                Console.ReadLine();
            }
        }

        ///<summary>
        ///打印异常
        ///</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 = "")
        {
            //if日志文件为空，默认在Debug目录下建立
            if (LogAddress == "")
            {
                LogAddress = Environment.CurrentDirectory + '\' +
                    DateTime.Now.Year + '-' +
                    DateTime.Now.Month + '-' +
                    DateTime.Now.Day + "_Log.log";
            }

            //将异常信息输出到文件
            StreamWriter fs = new StreamWriter(LogAddress, true);
            fs.WriteLine("当前信息:" + DateTime.Now.ToString());
            fs.WriteLine("异常信息:" + ex.Message);
            fs.WriteLine("异常信息:" + ex.Source);
            fs.WriteLine("调用堆栈:
" + ex.StackTrace.Trim());
            fs.WriteLine("触发方法:" + ex.TargetSite);
            fs.WriteLine();
            fs.Close();
        }
    }
}