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] ? $data[url] : 'Uploads/file/'.$savename;
 if(file_exists($myfile)){
   $M->where("id=$id")->setInc('downloads');
   $file = @ fopen($myfile, "r");
   header("Content-type: application/octet-stream");
   header("Content-Disposition: attachment; filename=" .$filename );
   while (!feof($file)) {
 echo fread($file, 50000);
   }
   fclose($file);
   exit;
 }else{
   echo '文件不存在!';
 }
}
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持脚本之家。