jsp如何获取当前时间并刷新

求用jsp制作获取当前时间并刷新代码感谢大佬了!!!!!!! 小弟在这等着各位大佬的消息

<%
Date date = new Date();
out.print( "<h2 align="center">" +date.toString()+"");
response.setIntHeader("Refresh", 1);
%>

用不到jsp，直接写

<html>
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
    <title>系统时间</title>
</head>
<body>
<div id="datetime">
    <script>
        setInterval("document.getElementById('datetime').innerHTML=new Date().toLocaleString();", 1000);
    </script>
</div>
</body>

谢谢大哥了但是我现在要用jsp写 js我会