日志記錄到txt檔案

using System;

using System.Collections.Generic;

using

System.IO;

using System.Linq;

using System.Web;

System.Web.UI;

using System.Web.UI.WebControls;

namespace WebApplication1

{

public partial class _Default :

System.Web.UI.Page

protected void Page_Load(object sender,

EventArgs e)

CreateErrorLog("test");

}

private static string m_fileName =

System.Web.HttpContext.Current.Server.MapPath("~/Error/" +

DateTime.Now.ToString("yyyyMMdd") + ".log");

public static String

FileName

get { return (m_fileName); }

set { if (value != null || value != "") { m_fileName = value; } }

public static void CreateErrorLog(string message)

if (File.Exists(m_fileName))

///如果日志檔案已經存在，則直接寫入日志檔案

StreamWriter sr = File.AppendText(FileName);

sr.WriteLine("\n");

sr.WriteLine(DateTime.Now.ToString() + message);

sr.Close();

else

///建立日志檔案

StreamWriter sr = File.CreateText(FileName);

sr.WriteLine(DateTime.Now.ToString() +

message);