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header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
header("Cache-Control: no-cache, must-revalidate");
header("Pragma: no-cache");
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response.expires=0
response.addHeader("pragma","no-cache")
response.addHeader("Cache-Control","no-cache, must-revalidate")
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/*
* Created on 2010-3-11
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session_start();
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public $c_front ;
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