浏览器缓存和frame页面css失效
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ taglib uri="http://displaytag.sf.net/el" prefix="display" %>
<%@ taglib prefix="s" uri="/struts-tags"%>
<%
response.setHeader("PRagma","No-cache");
response.setHeader("Cache-Control","no-cache");
response.setDateHeader("Expires", 0);
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base target="_self">
<base href="<%=basePath %>"/>
