PHP 实现下载文件的方法

 1 方法一:
 2 header('Content-Description: File Transfer');
 3 header('Content-Type: application/octet-stream');
 4 header('Content-Disposition: attachment; filename='.basename($filepath));
 5 header('Content-Transfer-Encoding: binary');
 6 header('Expires: 0′);
 7 header('Cache-Control: must-revalidate, post-check=0, pre-check=0′);
 8 header('Pragma: public');
 9 header('Content-Length: ' . filesize($filepath));
10 readfile($file_path);
11 
12 方法二:
13 $fileinfo = pathinfo($filename);
14 header('Content-type: application/x-'.$fileinfo['extension']);
15 header('Content-Disposition: attachment; filename='.$fileinfo['basename']);
16 header('Content-Length: '.filesize($filename));
17 readfile($thefile);
18 exit();

 

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