jsp另外五大内置对象之response-设置头信息
<%@ page language="java" contentType="text/html; charset=utf-8"
pageEncoding="utf-8"%>
<%@ page import="java.util.*"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Insert title here</title>
</head>
<body>
<%
// 每隔一秒刷新一次页面
response.setHeader("refresh","1");
// 获取当前时间
Date myDate=new Date();
%>
当前时间：<%= myDate.toLocaleString() %>
</body>
</html>
