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使用Application对象简单完成网站总访问人数的统计

 

Global.asax文件:

using System.IO;protected void Application_Start(object sender, EventArgs e)        {            FileStream fs = File.Open(Server.MapPath("counter.txt"),FileMode.OpenOrCreate);            StreamReader sr = new StreamReader(fs);            Application["count"] = Convert.ToInt32(sr.ReadLine());            sr.Close();            fs.Close();        }//counter.txt会自动创建        protected void Session_Start(object sender, EventArgs e)        {            Application.Lock();            Application["count"] = (int)Application["count"] + 1;            FileStream fs = File.Open(Server.MapPath("counter.txt"), FileMode.OpenOrCreate,FileAccess.ReadWrite);            StreamWriter sw = new StreamWriter(fs);            sw.WriteLine(Application["count"]);            sw.Close();            fs.Close();            Application.UnLock();        }

 

此种方法是把总人数记录在一个记事本文件中,使用文件流读写的方式来更新人数值,较为简单。