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.NET异常日志

2018年05月05日 ⁄ 综合 ⁄ 共 2945字 ⁄ 字号 评论关闭

 protected void Application_Error(Object sender, EventArgs e)
        {
            if (SHA.Common.ConfigHelper.GetConfigString("OpenSaveErrLog") == "1")
            {
                SaveExpre();
            }
        }
        /// <summary>
        /// 保存异常
        /// </summary>
        private void SaveExpre()
        {
            Exception objErr = Server.GetLastError().GetBaseException();
            string error = string.Empty;
            string errortime = string.Empty;
            string erroraddr = string.Empty;
            string errorinfo = string.Empty;
            string errorsource = string.Empty;
            string errortrace = string.Empty;

            error += "发生时间:" + System.DateTime.Now.ToString() + "<br>";
            errortime = "发生时间:" + System.DateTime.Now.ToString();
            error += "发生异常页: " + Request.Url.ToString() + "<br>";
            erroraddr = "发生异常页: " + Request.Url.ToString();
            error += "异常信息: " + objErr.Message + "<br>";
            errorinfo = "异常信息: " + objErr.Message;
            //error +="错误源:"+objErr.Source+"<br>";
            //error += "堆栈信息:" + objE rr.StackTrace + "<br>";
            errorsource = "错误源:" + objErr.Source;
            errortrace = "堆栈信息:" + objErr.StackTrace;
            error += "--------------------------------------<br>";
            Server.ClearError();
            Application["error"] = error;
            //独占方式,因为文件只能由一个进程写入.
            System.IO.StreamWriter writer = null;
            try
            {
                lock (this)
                {
                    // 写入日志
                    string year = DateTime.Now.Year.ToString();
                    string month = DateTime.Now.Month.ToString();
                    string path = string.Empty;
                    string filename = DateTime.Now.Day.ToString() + ".txt";
                    path = Server.MapPath("~/Error/") + year + "/" + month;
                    //如果目录不存在则创建
                    if (!System.IO.Directory.Exists(path))
                    {
                        System.IO.Directory.CreateDirectory(path);
                    }
                    System.IO.FileInfo file = new System.IO.FileInfo(path + "/" + filename);
                    writer = new System.IO.StreamWriter(file.FullName, true);//文件不存在就创建,true表示追加
                    writer.WriteLine("用户IP:" + Request.UserHostAddress);

                    writer.WriteLine(errortime);
                    writer.WriteLine(erroraddr);
                    writer.WriteLine(errorinfo);
                    writer.WriteLine(errorsource);
                    writer.WriteLine(errortrace);
                    writer.WriteLine("【this Error From caac】");
                    writer.WriteLine("--------------------------------------------------------------------------------------");
                }
            }
            finally
            {
                if (writer != null)
                    writer.Close();
            }
            string strPort = "";
            if (Request.Url.Port != 80)
            {
                strPort = ":" + Request.Url.Port.ToString();
            }
            Response.Redirect("http://" + Request.Url.Host + strPort + "/help/Err.aspx", true);

        }

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