counter.jsp

来自「servlet初学者最好的例子……希望能对大家有所帮助」· JSP 代码 · 共 24 行

JSP
24
字号
<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>网页计数器(在application中存储属性信息)</title>
</head>
<body>
   <% if(application.getAttribute("counter")==null)
         application.setAttribute("counter","1");
         else{
               String times=null;
               times=application.getAttribute("counter").toString();
               int icount=0;
               icount=Integer.valueOf(times).intValue();
               icount++;
               application.setAttribute("counter",Integer.toString(icount));
         }
       %>
       您是第<%=application.getAttribute("counter") %>位访问者!
       
</body>
</html>

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