写日志

   /// <summary>
    /// 写日志
    /// </summary>
    /// <param name="logMsg">日志内容</param>
    public static void WriteLog(string logMsg)
    {
            Page p = new Page();
            StreamWriter sw = File.AppendText(p.Server.MapPath("..") + "/Log/ExLog.log");
            sw.WriteLine("[" + DateTime.Now.ToString() + "]：   " + logMsg);//[时间][信息][用户]
            sw.Close();
    }