/**
  * Creates a new UserInfo model.
  * If creation is successful, the browser will be redirected to the 'view' page.
  * @return mixed
  */
 public function actionCreate()
 {
     $model = new UserInfo();
     if ($model->load(Yii::$app->request->post()) && $model->save()) {
         return $this->redirect(['view', 'id' => $model->id]);
     } else {
         return $this->render('create', ['model' => $model]);
     }
 }
 public function actionSignup()
 {
     $model = new SignupForm();
     $modelInfo = new UserInfo();
     if ($model->load(Yii::$app->request->post()) && $modelInfo->load(Yii::$app->request->post())) {
         $modelInfo->username = $model->username;
         if (($user = $model->signup()) && $modelInfo->save()) {
             // if (Yii::$app->getUser()->login($user)) {
             //     return $this->goHome();
             // }
             return $this->render('hint', ['hint' => '注册成功,请联系信息技术中心激活账号,然后才能访问系统!']);
         } else {
             if ($user) {
                 $user->delete();
                 //  exit('注册失败,请联系管理员解决问题或者仔细检查输入信息');
             }
         }
     }
     return $this->render('signup', ['model' => $model, 'modelInfo' => $modelInfo]);
 }