public function stuCardList($sid = 17)
 {
     $data = D('StudentCertificate')->stuCertificate($sid);
     $cardModel = D('Certificate');
     foreach ($data as $k => $v) {
         $card = $cardModel->getCartType($v['certificate_id']);
         $data[$k]['card_type'] = $card['certificate_type'];
         $data[$k]['all_type'] = $cardModel->getCartTypeList($card['certificate_type']);
     }
     $this->assign('card', $data);
     $this->assign('tpl', false);
     $this->assign('CertificateType', AdminController::getCertificateType());
     $html = $this->fetch('student_certificate');
     return $html;
 }