/**
  * echarts api数据接口
  * @return type
  */
 public function actionApi()
 {
     \Yii::$app->response->format = \yii\web\Response::FORMAT_JSON;
     //获得调用的方法
     $fc = \Yii::$app->request->get('fc');
     if (!empty($fc)) {
         switch ($fc) {
             case 'pageattack':
                 $dataLists = \backend\services\NginxHightchartService::pageAttackEcharts('', [], 'databasetype');
                 return $dataLists;
             case 'findAllLine':
                 $dataLists = \backend\services\NginxHightchartService::findAllLineEcharts();
                 return $dataLists;
             default:
                 return [];
         }
     }
     return [];
 }