public function saveLabelAction()
 {
     $re = array();
     $user = $this->get('security.context')->getToken()->getUser();
     $request = $this->getRequest();
     $atten_id = $request->get("atten_id");
     $label_names = $request->get("label_names");
     $da = $this->get('we_data_access');
     $conv = new \Justsy\BaseBundle\Business\Conv();
     $conv->saveLabel($da, $user, $atten_id, $label_names);
     $re = array('success' => '1');
     $response = new Response(json_encode($re));
     $response->headers->set('Content-Type', 'text/json');
     return $response;
 }