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);
%>