header('content-transfer-encoding: binary'); // load the file to send: readfile('example.zip'); // 对当前文档禁用缓存 header('cache-control: no-cache, no-store, max-age=0, must-revalidate'); header('expires: mon, 26 jul 1997 05:00:00 gmt'); // date in the past header('pragma: no-cache'); //设置内容类型: header('content-type: text/html; charset=iso-8859-1'); header('content-type: text/html; charset=utf-8'); header('content-type: text/plain'); //纯文本格式 header('content-type: image/jpeg'); //jpg*** header('content-type: application/zip'); // zip文件 header('content-type: application/pdf'); // pdf文件 header('content-type: audio/mpeg'); // 音频文件 header('content-type: application/x-shockw**e-flash'); //flash动画 //显示登陆对话框 header('http/1.1 401 unauthorized'); header('www-authenticate: basic realm=top secret'); print 'text that will be displayed if the user hits cancel or '; print 'enters wrong login data';?>
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