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response.setHeader("Cache-Control","no-cache");
response.setDateHeader("Expires", 0);
response.flushBuffer();%>
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<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
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Cookie killMyCookie = new Cookie("mycookie", null);
killMyCookie.setMaxAge(0);
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session.invalidate();
%>
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