对于HTML网页，加入：
<meta HTTP-EQUIV='pragma' CONTENT='no-cache'>
<meta HTTP-EQUIV='Cache-Control' CONTENT='no-cache, must-revalidate'>
<meta HTTP-EQUIV='expires' CONTENT='0'>
对于JSP页面，加入：
<%
response.setHeader('Cache-Control','no-store');
response.setHeader('Pragrma','no-cache');
response.setDateHeader('Expires',0);
%>