function down($url){        header('Content-Description: File Transfer');        header('Content-Type: application/octet-stream');        header('Content-Disposition: attachment; filename='.basename($papers['file_path']));        header('Content-Transfer-Encoding: binary');        header('Expires: 0');        header('Cache-Control: must-revalidate, post-check=0, pre-check=0');        header('Pragma: public');        header('Content-Length: ' . $url);        readfile('location:http://你的域名/'.$url);    }

 

这里就不过多的写文字了，相信都能看懂。就算看不懂，会用就行，$url是文件链接。

 

还有一个javascript下载不打开的小技巧（加一个download属性即可），找了好多办法，都行不通。这里也记录下吧

点我下载