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不缓存页面对于数据实时性要求很强的功能来说很重要,以下是 HTML、ASP、PHP 强制不缓存页面的代码。 HTML 强制页面不缓存代码 <!-- no cache headers --> <meta http-equiv="Pragma" content="no-cache"> <meta http-equiv="no-cache"> <meta http-equiv="Expires" content="-1"> <meta http-equiv="Cache-Control" content="no-cache"> <!-- end no cache headers --> ASP 强制页面不缓存代码 Response.Buffer = True Response.Expires = 0 Response.ExpiresAbsolute = Now() - 1 Response.CacheControl = "no-cache" Response.AddHeader "Expires",Date() Response.AddHeader "Pragma","no-cache" Response.AddHeader "Cache-Control","private, no-cache, must-revalidate" PHP 强制页面不缓存代码 以下代码即可强制浏览器不缓存页面内容,适用于 HTTP/1.0 及 HTTP/1.1 header('Expires: Sat, 26 Jul 1997 05:00:00 GMT'); header('Last-Modified: '.gmdate('D, d M Y H:i:s').' GMT'); header('Cache-Control: no-store, no-cache, must-revalidate'); header('Cache-Control: post-check=0, pre-check=0', false ); header('Pragma: no-cache');
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