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PHP实现文件下载,

程序员文章站 2022-05-31 23:33:54
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PHP实现文件下载,

 1 public function get_download_file()
 2 {
 3       header ( 'Content-Description: File Transfer' );
 4       header ( 'Content-Type: application/octet-stream' );
 5       header ( 'Content-Disposition: attachment; filename=' . basename ( $file ));
 6       header ( 'Content-Transfer-Encoding: binary' );
 7       header ( 'Expires: 0' );
 8       header ( 'Cache-Control: must-revalidate' );
 9       header ( 'Pragma: public' );
10       header ( 'Content-Length: '  .  filesize ( $file ));
11       ob_clean ();
12       flush ();
13       readfile ( $file );
14       exit;
15 }