//ftp，使文件传到服务器上  protected function ftp_send($des,$src)  {      $ftp_ip   = 'ip地址';      $ftp_user = 'ftp用户名';      $ftp_pass = 'ftp密码';             $conn_id = ftp_connect($ftp_ip) or die("Couldn't connect to $ftp_ip");        if(@ftp_login($conn_id, $ftp_user, $ftp_pass))       {                     $path = dirname($des);                     if (!ftp_chdir($conn_id, $path))           {              ftp_mkdir($conn_id,$path);          }                     $upload = ftp_put($conn_id,$des,$src,FTP_BINARY);          if($upload)          {              ftp_close($conn_id);          }          else          {              exit('ftp error!');          }                }       else      {          echo "Couldn't connect as $ftp_user\\n";          exit;      }         }