no-cache

<%@page contentType="text/html; charset=utf-8" pageEncoding="UTF-8" autoFlush="true" buffer="8kb" isErrorPage="false" isThreadSafe="true"

language="java" session="true"%>

<%

response.setHeader("Pragma","no-cache");

response.setHeader("Cache-Control","no-cache");

response.addHeader("Cache-Control","no-store");

response.setDateHeader("Expires",0);

%>