ASP.Net中用C#实现站点计数器用户控件
asax文件：
<%@ Control Language="c#" AutoEventWireup="false" Codebehind="counter.ascx.cs" Inherits="JiAnWeb.counter" TargetSchema="http://schemas.microsoft.com/intellisense/ie5";%>
<LINK href="css.css" rel="stylesheet">
<FONT face="宋体">
<TABLE id="table_counter" cellSpacing="0" cellPadding="0" width="750" align="center" border="0"
runat="server">
<TR>
<TD style="HEIGHT: 23px" align="center" valign=middle><IMG height="1" alt="" src=http://www.wecode.cn/info/"http://dotnet.chinaitlab.com/ASPNET/pic/rightblueback.gif"; width="700"></TD>
</TR>
<TR>
<TD align=center valign=middle></TD>
</TR>
</TABLE>
</FONT>
－－－－－－－－－－－－－－－－－－－
.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;
/// <summary>
/// counter 的摘要说明。
/// </summary>
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="<font color=/"#009900/">";
for (int i=0;i<countStr.Length;i++)
{
table_counter.Rows[1].Cells[0].InnerHtml=table_counter.Rows[1].Cells[0].InnerHtml+"<img src=http://www.wecode.cn/"pic//"+countStr.Substring(i,1)+".gif/">";
}
table_counter.Rows[1].Cells[0].InnerHtml+="</font>";
// 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);
}
/// <summary>
/// 设计器支持所需的方法 - 不要使用代码编辑器
/// 修改此方法的内容。
/// </summary>
private void InitializeComponent()
{
this.Load += new System.EventHandler(this.Page_Load);
}
#endregion
}
}
<%@ Control Language="c#" AutoEventWireup="false" Codebehind="counter.ascx.cs" Inherits="JiAnWeb.counter" TargetSchema="http://schemas.microsoft.com/intellisense/ie5";%>
<LINK href="css.css" rel="stylesheet">
<FONT face="宋体">
<TABLE id="table_counter" cellSpacing="0" cellPadding="0" width="750" align="center" border="0"
runat="server">
<TR>
<TD style="HEIGHT: 23px" align="center" valign=middle><IMG height="1" alt="" src=http://www.wecode.cn/info/"http://dotnet.chinaitlab.com/ASPNET/pic/rightblueback.gif"; width="700"></TD>
</TR>
<TR>
<TD align=center valign=middle></TD>
</TR>
</TABLE>
</FONT>
－－－－－－－－－－－－－－－－－－－
.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;
/// <summary>
/// counter 的摘要说明。
/// </summary>
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="<font color=/"#009900/">";
for (int i=0;i<countStr.Length;i++)
{
table_counter.Rows[1].Cells[0].InnerHtml=table_counter.Rows[1].Cells[0].InnerHtml+"<img src=http://www.wecode.cn/"pic//"+countStr.Substring(i,1)+".gif/">";
}
table_counter.Rows[1].Cells[0].InnerHtml+="</font>";
// 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);
}
/// <summary>
/// 设计器支持所需的方法 - 不要使用代码编辑器
/// 修改此方法的内容。
/// </summary>
private void InitializeComponent()
{
this.Load += new System.EventHandler(this.Page_Load);
}
#endregion
}
}
来源：未知