package service import ( "iot_manager_service/app/device/dao" ) var UtilService = new(utilService) type utilService struct{} func (s *utilService) Get(modeType, deviceType int) (*dao.DeviceVendor, error) { // 创建查询实例 device := &dao.DeviceVendor{ VendorType: modeType, DeviceType: deviceType, } err := device.GetByType() if err != nil { return nil, err } return device, nil }