随缘

$img = substr($row['bqpath'], strrpos($row['bqpath'], '/')+1);
$ext = substr($row['bqpath'], strrpos($row['bqpath'], '.')+1);
header('Content-Type: image/'.$ext); 
header("Content-Disposition:attachment;filename=".$img);
header('Content-Transfer-Encoding: binary');
readfile(WEB_PATH.$row['bqpath']);