response.setHeader("Cache-Control","no-stored");
response.setHeader("Pragma","no-cache");
response.setDateHeader("Expires",0);
pageexpires.jsp:
<%
response.setHeader("Cache-Control","no-stored");
response.setHeader("Pragma","no-cache");
response.setDateHeader("Expires",0);
%>
每个网页里包含上段内容即可.
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