网站自定义格式的错误日志

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using System;
using System.Collections;
using System.Collections.Specialized;
using System.Collections.Generic;
using System.Text;
using System.Web;
using System.Web.UI;
using System.IO;
using System.Security.AccessControl;
 
namespace Web.UI
{
public class BasePage : System.Web.UI.Page
{
    public BasePage()
            : base()
    {
//
// TODO: 在此处添加构造函数逻辑
//
    }
 
    #region 重写事件
///
/// 重写Page的Onload事件,用于判断用户是否登录
///
///
    protected override void OnLoad ( EventArgs e )
    {
 
        if ( Session[AuthHelper.SESSION_USERNAME] == null )
        {
            return;
//Response.Redirect("~/Manage/" + AuthHelper.PAGE_LOGINPAGE, true);
        }
        base.OnLoad ( e );
    }
 
    protected override void OnPreInit ( EventArgs e )
    {
        base.OnPreInit ( e );
    }
    #endregion
 
    void Page_Error ( Object sender, EventArgs e )
    {
        System.Exception ex = Server.GetLastError();
 
        #region 将日志写入文本
 
        string ErrorLog = Server.MapPath ( "~/ErrorLog.txt" );
        if ( !System.IO.File.Exists ( ErrorLog ) )
        {
            System.IO.FileStream FS = System.IO.File.Create ( ErrorLog );
            FS.Close();
            System.Security.AccessControl.DirectorySecurity fSec = new System.Security.AccessControl.DirectorySecurity();
//设置权限的应用为文件夹本身、子文件夹及文件
//所以需要InheritanceFlags.ContainerInherit 或 InheritanceFlags.ObjectInherit
            fSec.AddAccessRule ( new FileSystemAccessRule ( "NETWORK SERVICE", FileSystemRights.Write, InheritanceFlags.ContainerInherit | InheritanceFlags.ObjectInherit, PropagationFlags.None, AccessControlType.Allow ) );
            System.IO.Directory.SetAccessControl ( ErrorLog, fSec );
 
        }
 
        System.IO.StreamWriter SW = null;
        bool isappend = true;//是否追加
        System.IO.FileInfo FI = new System.IO.FileInfo ( ErrorLog );
// 日志文件大于1M时清空记录
        if ( FI.Length > 1024 * 1024 )
        {
            isappend = false;
        }
//System.IO.FileStream FS = FI.OpenWrite();
        SW = new System.IO.StreamWriter ( ErrorLog, isappend, System.Text.Encoding.GetEncoding ( 936 ) );
        SW.Write ( "\r\n" );
        SW.Write ( "ErrorTime：" + DateTime.Now.ToString ( "yyyy年MM月dd日HH时mm分ss秒" ) );
        SW.Write ( "\r\n" );
        SW.Write ( "访问IP：" + HttpContext.Current.Request.UserHostAddress );
        SW.Write ( "\r\n" );
        SW.Write ( "出错页面：" + Request.Url.ToString() );
        SW.Write ( "\r\n" );
        SW.Write ( "Message：" + ex.Message );
        SW.Write ( "\r\n" );
        SW.Write ( "Source：" + ex.Source );
        SW.Write ( "\r\n" );
        SW.Write ( "StackTrace：" + ex.StackTrace );
        SW.Write ( "\r\n" );
        SW.Write ( "TargetSite：" + ex.TargetSite.ReflectedType.FullName + "--" + ex.TargetSite.ToString() ); //错误的方法
        SW.Write ( "\r\n" );
        SW.Write ( " --" + ex.TargetSite.Module.FullyQualifiedName );
        SW.Write ( "\r\n" );
        SW.Close();
        SW.Dispose();
 
 
 
        #endregion
 
 
        Server.ClearError();
    }
 
 
 
 
 
 
}
}
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