
1.页面自动刷新:把如下代码加入<head>区域中
<meta http-equiv="refresh" content="20">,其中20指每隔20秒刷新一次页面.
2.页面自动跳转:把如下代码加入<head>区域中
<meta http-equiv="refresh" content="20;url=http://www.abc.com">,其中20指隔20秒后跳转到http://www.abc.com页面
3.页面自动刷新js版
<script language="JavaScript">
function myrefresh(){
window.location.reload();
}
setTimeout('myrefresh()',1000); //指定1秒刷新一次
</script>
4.用setHander()方法
<%
//页面每隔30秒自动刷新一遍
response.setHeader("refresh","30");
%> <% //页面每隔30秒自动链接至另一页面 response.setHeader("refresh","30;URL=http://www.sina.com"); %>
<%@ page contentType="text/html;charset=GBK" %>
<%
//页面每隔30秒自动刷新一遍
response.setHeader("refresh","10;URL=http://www.sina.com"); %>
<html>
<head>
<title>My JSP 'index.jsp' starting page</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="refresh" content="30"> -->
<script type="text/javascript">
alert("jsp");
</script>
</head> <body>
This is my JSP page. <br>
</body>
</html>