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资源：同级目录下的存放当前计数的count.txt文件

子目录pic下的0到9的数字图片0.gif ~ 9.gif

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asax文件：

<%@ Control Language="c#" AutoEventWireup="false" Codebehind="counter.ascx.cs" Inherits="JiAnWeb.counter" TargetSchema="http://schemas.microsoft.com/intellisense/ie5"%>

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.cs文件：

namespace JiAnWeb

{

using System;

using System.Data;

using System.Drawing;

using System.Web;

using System.Web.UI.WebControls;

using System.Web.UI.HTMLControls;

///

public class counter : System.Web.UI.UserControl

{

protected System.Web.UI.HTMLControls.HTMLTable table_counter;

private void Page_Load(object sender, System.EventArgs e)

{

// 在此处放置用户代码以初始化页面

string filePath=System.Web.HttpContext.Current.Server.MapPath("hits.txt");

System.IO.StreamReader srReadLine = new System.IO.StreamReader(

System.IO.File.OpenRead(filePath),

System.Text.Encoding.ASCII);//Encoding.Default是读中文

srReadLine.BaseStream.Seek(0, System.IO.SeekOrigin.Begin);//

string countStr="";

if (srReadLine.Peek() > -1)

{

countStr+=srReadLine.ReadLine();

}

int count=int.Parse(countStr)+1;

countStr=count.ToString();

srReadLine.Close();

table_counter.Rows[1].Cells[0].InnerHTML="";

table_counter.Rows[1].Cells[0].InnerHTML+="";

// Write the string to a file.

System.IO.StreamWriter file = new System.IO.StreamWriter(filePath);

file.WriteLine(countStr,false);

file.Close();

srReadLine.Close();

}

#region Web 窗体设计器生成的代码

override protected void OnInit(EventArgs e)

{

//

// CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。

//

InitializeComponent();

base.OnInit(e);

}

///

private void InitializeComponent()

{

this.Load += new System.EventHandler(this.Page_Load);

}

#endregion

}

}