php通过修改header强制图片下载的方法_php技巧

WBOY
Release: 2016-05-16 20:19:32
Original
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本文实例讲述了php通过修改header强制图片下载的方法。分享给大家供大家参考。具体实现方法如下:

function downloadFile($file){
 $file_name = $file;
 $mime = 'application/force-download';
 header('Pragma: public'); // required
 header('Expires: 0'); // no cache
 header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
 header('Cache-Control: private',false);
 header('Content-Type: '.$mime);
 header('Content-Disposition: attachment; filename="'.basename($file_name).'"');
 header('Content-Transfer-Encoding: binary');
 header('Connection: close');
 readfile($file_name); // push it out
 exit();
}
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希望本文所述对大家的php程序设计有所帮助。

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