jsp页面清除缓存代码

<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

<BASE target=_self />
<%
 response.setHeader("Expires", "Sat, 6 May 1995 12:00:00 GMT");
 response.setHeader("Cache-Control", "no-store,no-cache,must-revalidate");
 response.addHeader("Cache-Control", "post-check=0, pre-check=0");
 response.setHeader("Pragma", "no-cache");
%>

<title></title>