本文实例为大家分享了php强制下载文件函数，供大家参考，具体内容如下
public function down()
{
$id = $this->_get('id');
$M = M("downloads");
$data=$M->where("id=$id and status=1")->find();
!$data && exit;
$filename = iconv('UTF-8','GBK',$data['filename']);
$savename = $data['savename'];
$myfile = $data[url] ? $data[url
