<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>请勿重复提交您的信息！谢谢！</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
-->
<script type="text/javascript">
var time = 4;
function returnUrlByTime() {
window.setTimeout('returnUrlByTime()', 1000);
time = time - 1;
document.getElementById("layer").innerHTML = time;
}
</script>
</head>
<body onload="returnUrlByTime()">
<h3>请勿重复提交您的信息！谢谢！</h3>
<b><span id="layer">3</span>秒后，转入输入界面。</b>
<%
//转向语句
response.setHeader("Refresh", "3;URL=for_input.jsp");
%>
</body>
</html>
==========第二例子===========
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>请勿重复提交您的信息！谢谢！</title>
</head>
<script type="text/javascript">
function countDown(secs) {
document.getElementById("jump").innerHTML = secs;
if (--secs > 0){
setTimeout("countDown(" + secs + " )", 1000);
}else{
<%-- 填写跳转地址--%>
location.href="index.jsp";
}
}
</script>
<body style="overflow: auto;" onload="javascript:countDown(5);">
<div align="center">......页面将在<span id="jump"></span>秒后自动跳转......
</div>
</body>
</html>