public function setUpDown($id, $attitude)
 {
     $model = $this->findModel($id);
     if (!in_array(Yii::$app->user->id, explode(",", $model->part))) {
         $model->{$attitude} = $model->{$attitude} + 1;
         $model->part = $model->part . "," . Yii::$app->user->id;
         if ($model->save()) {
             $suggesDetail = new SuggesDetail();
             $suggesDetail->sugg_id = $id;
             $suggesDetail->part_id = Yii::$app->user->id;
             $suggesDetail->attitude = $attitude === "up" ? 1 : 0;
             if ($suggesDetail->save()) {
                 Yii::$app->session->setFlash('success', '提交成功');
                 return $this->redirect(['view', 'id' => $model->id]);
             } else {
                 Yii::$app->session->setFlash('error', '提交失败');
                 return $this->redirect(['view', 'id' => $model->id]);
             }
         }
     } else {
         Yii::$app->session->setFlash('error', '抱歉,您已经提交同意或反对了');
         return $this->redirect(['view', 'id' => $model->id]);
     }
 }
 /**
  * Displays a single Suggestion model.
  * @param integer $id
  * @return mixed
  */
 public function actionView($id)
 {
     $suggesDetailProvider = new ActiveDataProvider(['query' => SuggesDetail::find()->where(['sugg_id' => $id]), 'pagination' => ['pageSize' => 20]]);
     return $this->render('view', ['model' => $this->findModel($id), 'suggesDetailProvider' => $suggesDetailProvider]);
 }