缓存自动清理
// JSP页面加入如下代码
<% response.setHeader("Cache-Control","no-store"); response.setHeader("Pragrma","no-cache"); response.setDateHeader("Expires",0); %>
// HTML加入如下代码
<meta HTTP-EQUIV="pragma" CONTENT="no-cache"> <meta HTTP-EQUIV="Cache-Control" CONTENT="no-cache, must-revalidate"> <meta HTTP-EQUIV="expires" CONTENT="0">
$.ajax({ type: "GET", url: "static/cache.js", dataType: "text", beforeSend :function(xmlHttp){ xmlHttp.setRequestHeader("If-Modified-Since","0"); xmlHttp.setRequestHeader("Cache-Control","no-cache"); } });
$.ajax({ type: "GET", url: "static/cache.js", dataType: "text", cache:false, ifModified :true });