public function uploadavatarAction()
 {
     $jsondata = [];
     $success = false;
     $myUser = new \Model\User();
     $upload = $myUser->processUpload();
     if ($upload == $myUser->isSuccessUpload()) {
         $jsondata = $myUser->getInfo();
     }
     $this->view->setVars(['jsondata' => $jsondata]);
 }