保存异常日志记录类

来源：互联网发布：网络金融服务编辑：程序博客网时间：2024/05/22 06:39

using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.IO;
using System.Text;

/// <summary>
/// SiteLog 表示站点日志
/// </summary>
public class SiteLog
{
    /// <summary>
    ///
    /// </summary>
public SiteLog()
{
  //
  // TODO: 在此处添加构造函数逻辑
  //
}

    /// <summary>
    ///
    /// </summary>
    /// <param name="message"></param>
    public static void Add(string message)
    {
        Page page = new Page();
        string dir = HttpContext.Current.Server.MapPath("/sitelog");
        if (!Directory.Exists(dir))
        {
            Directory.CreateDirectory(dir);
        }
        string path =dir+"//log" + DateTime.Now.ToString("yyyyMMddHH") + ".txt";
        SiteLog sl = new SiteLog();
        string timenow = DateTime.Now.ToString();
        StringBuilder sb = new StringBuilder();
        sb.Append("时间：");
        sb.Append(timenow);
        sb.Append("/r/n");
        sb.Append("信息：");
        sb.Append(message);
        HttpContext hc = HttpContext.Current;
        sb.AppendLine("/r/nIP：" + hc.Request.UserHostAddress);
        sb.AppendLine("请求类型：" + hc.Request.HttpMethod);
        sb.AppendLine("页面：" + hc.Request.Path);
        sb.AppendLine("查询字符串：" + hc.Request.QueryString.ToString());
        string cookie="";
        for (int i = 0; i < hc.Request.Cookies.Count; i++)
        {
            HttpCookie c = hc.Request.Cookies[i];
            cookie +=(c.Name+"="+c.Value+";");
        }
        sb.AppendLine("Cookie：" +cookie);
        sb.AppendLine("UserAgent：" + hc.Request.UserAgent);
        sb.AppendLine("----------------------------------------------------------------------");
        if (System.IO.File.Exists(path))
        {

            try
            {
                sl.AddMessageToFile(path,sb.ToString());
            }
            catch (Exception)
            {
            }
        }
        else
        {

            try
            {
                System.IO.File.Create(path).Close();
            }
            catch
            {
            }
            try
            {
                sl.AddMessageToFile(path, sb.ToString());
            }
            catch
            {
            }
            GC.Collect();
        }
     }

private void AddMessageToFile(string path, string message)
{

        StreamReader sr = new StreamReader(path);
        StringBuilder sb = new StringBuilder(sr.ReadToEnd());
        sr.Close();
        sb.Append(message);
        try
        {
            using (StreamWriter sw = new StreamWriter(path))
            {

                sw.Write(sb.ToString());
                sw.Flush();
                sw.Close();
            }
        }
        catch
        {
        }

}
}