<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme() + "://"+ request.getServerName() + ":" + request.getServerPort()+ path + "/";
long port=request.getServerPort();
if(port==80){
basePath = request.getScheme()+"://"+request.getServerName()+path+"/";
}
response.setHeader("Cache-Control", "no-store");//HTTP 1.1
response.setHeader("Pragma", "no-cache");//HTTP 1.0
response.setDateHeader("Expires", 0);//prevents caching at the proxy server
%>
<!DOCTYPE html>
<html lang="zh">
<head>
<base href="<%=basePath%>">
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<meta name="renderer" content="webkit" />
<meta name="viewport" id="viewport" content="width=device-width,initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no">
<meta http-equiv="pragma" content="no-cache" />
<meta http-equiv="cache-control" content="no-cache" />
<meta http-equiv="expires" content="0" />
<base target="_self">
<link rel="stylesheet" type="text/css" href="css/common/base.css?tag=<%=new Date().getTime() %>" />
</head>
<body>
</body>
</html>
静态文件一定要加时间戳的，不然得强制刷新才能去缓存。