package service import ( "iot_manager_service/app/device/dao" "iot_manager_service/util" ) // 中间件管理服务 var WorkbenchService = new(workbenchService) type workbenchService struct{} func (s *workbenchService) CountDevice(tenantId string) ([]dao.CountDevice, *util.Errors) { // 创建查询实例 counts, err := dao.GetDeviceCount(tenantId) if err != nil { return nil, util.FailResponse(err.Error(), nil) } return counts, nil }