jsp页面清缓存的整理

<% if (request.getProtocol().compareTo("HTTP/1.0")==0)     response.setHeader("Pragma","No-cache"); else if(request.getProtocol().compareTo("HTTP/1.1")==0)      response.setHeader("Cache-Control","no-cache"); response.setDateHeader("Expires", 0); %> 简单方法的整理

jsp中页面关闭时关闭session，cookie，页面缓存 一、清除页面缓存在jsp页里<%response.setHeader("Pragma","No-cache"); response.setHeader("Cache-Control","no-cache"); response.setDateHeader("Expires", 0); response.flushBuffer();%> 在html页里<meta http-equiv="Content-Type" content="text/html; charset=gb2312"><META HTTP-EQUIV="Pragma" CONTENT="no-cache"> <META HTTP-EQUIV="Cache-Control" CONTENT="no-cache"> <META HTTP-EQUIV="Expires" CONTENT="0">二、清除cookie<% Cookie killMyCookie = new Cookie("mycookie", null); killMyCookie.setMaxAge(0); killMyCookie.setPath("/"); response.addCookie(killMyCookie); %> 三、清除session清除session方法<%@ page language="java" %> <% session.invalidate(); %> 在页面关闭时清除session，需要捕获windows.onclose事件，再调用清除session方法