10006, 'itemId' => 49, 'petId' => 8, 'num' => 1 ]); $validation->validated(); // 获取请求参数 $petId = $validation->getSafe('petId'); $itemId = $validation->getSafe('itemId'); $num = $validation->getSafe('num'); $userId = 10006; // 创建响应对象 $response = new ResponsePetEat(); // 开启数据库事务 DB::beginTransaction(); // 调用宠物服务进行喂养 $feedResult = PetService::feedPet($userId, $petId, $itemId, $num); DB::rollBack(); } }