实现JSP页面中在指定的时间段后再跳转！
<%@ page language="java" import="java.util.*" pageEncoding="GBK"%><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>My JSP '2.jsp' starting page</title>
<script language="javascript">
var count = 5;//记数器
function countdown()
{
count--;
if(count == 1)
{
window.location.href='3.jsp';
}
if(document.layers)
{
document.layers.showtime.document.write(count);
document.layers.showtime.document.close();
}
else if(document.all)
{
showtime.innerHTML=count+" 秒后自动返回 ...";
}
setTimeout("countdown()",1000);
}
</script>
</head>
<body bgcolor="#F4F6F6" >
<center>
<span id="showtime"></span>
</center>
</body>
</html>
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