/**
  * 交换机组网数据
  * @return string
  */
 public function actionAjaxGetHub()
 {
     $this->layout = false;
     $id1 = Yii::$app->request->post("id1");
     $id2 = Yii::$app->request->post("id2");
     $data = DeviceLink::getPolymerData($id1, $id2);
     return Json::encode(['status' => 1, "data" => $data]);
 }