/**
  * 保存模板
  */
 public function actionSave()
 {
     $type = Yii::$app->request->post("dataType", 0);
     $data = Yii::$app->request->post("data");
     $result = ["status" => 0, 'msg' => ''];
     $transaction = Yii::$app->db->beginTransaction();
     try {
         ViewTemplate::deleteAll(["type" => $type]);
         $data = json_decode($data, true);
         $data = array_filter($data);
         foreach ($data as $k => $item) {
             $model = new ViewTemplate();
             $model->id = $k;
             $model->attributes = json_encode($item["attributes"]);
             $model->links = isset($item["links"]) ? json_encode($item["links"]) : null;
             $model->type = $type;
             $model->device_id = $item["data"]["id"];
             $model->areaId = $model->getAreaId($item["attributes"]["cx"], $item["attributes"]["cy"]);
             if (!$model->save()) {
                 $transaction->rollback();
                 throw new Exception("item error:" . $item["data"]["label"] . print_r($model->getErrors(), true));
             }
         }
         $transaction->commit();
         $result["status"] = 1;
     } catch (Exception $e) {
         $transaction->rollback();
         $result["msg"] = $e->getMessage();
     }
     return Json::encode($result);
 }