JSP禁用缓存

<%
    response.setHeader("Pragma", "No-cache");
    response.setHeader("Cache-Control", "no-cache");
    response.setHeader("Cache-Control", "no-store");
    response.setDateHeader("Expires", 0);
%>

<meta http-equiv="Expires" content="0"/>
<meta http-equiv="Cache-Control" content="no-cache"/>
<meta http-equiv="Cache-Control" content="no-store"/>
<meta http-equiv="Pragma" content="no-cache"/>

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