golang 表格编程降低圈复杂度

func NewDataOperator(ctype lb.TypeEnum, uid string) DataOperator {
	switch ctype {
	case lb.TypeMod:
		return &ModModel{Uid: uid}
	case lb.TypeModContent:
		return &ModContentModel{Uid: uid}
	case lb.TypeABXitem:
		return &ABXitemModel{Uid: uid}
	case lb.TypeDotting:
		return &DottingModel{Uid: uid}
	case lb.TypeDottingXitem:
		return &DottingXitemModel{Uid: uid}
	case lb.TypeGameCover:
		return &GameCoverModel{Uid: uid}
	case lb.TypeGameCoverXcid:
		return &GameCoverXcidModel{Uid: uid}
	case lb.TypeGame:
		return &GmGameModel{Uid: uid}
	case lb.TypeGameXitem:
		return &GameXitemModel{Uid: uid}
	case lb.TypeColumn:
		return &ColumnModel{Uid: uid}
	case lb.TypeTopicContent:
		return &TopicContentModel{Uid: uid}
	case lb.TypeTopic:
		return &TopicModel{Uid: uid}
	default:
		return nil
}

var tableFunc = map[lb.TypeEnum]func(uid string) DataOperator {
	lb.TypeMod: createMod,
	lb.TypeModContent: createModContent,
	lb.TypeABXitem: createABXitem,
	lb.TypeDotting: createDotting,
	lb.TypeDottingXitem: createDottingXitem,
	lb.TypeGameCover: createGameCover,
	lb.TypeGameCoverXcid: createGameCoverXcid,
	lb.TypeGame: createGameModel,
	lb.TypeGameXitem: createGameXitem,
	lb.TypeColumn: createColumn,
	lb.TypeTopicContent: createTopicContent,
	lb.TypeTopic: createTopic,
}

//NewDataOperator 数据操作工厂函数
func NewDataOperator(ctype lb.TypeEnum, uid string) DataOperator {
	if handler, ok := tableFunc[ctype]; ok {
		return handler(uid)
	}
	return nil
}

func createMod(uid string) DataOperator {
	return &ModModel{Uid: uid}
}

func createModContent(uid string) DataOperator {
	return &ModContentModel{Uid: uid}
}

func createABXitem(uid string) DataOperator {
	return &ABXitemModel{Uid: uid}
}

func createDotting(uid string) DataOperator {
	return &DottingModel{Uid: uid}
}

func createDottingXitem(uid string) DataOperator {
	return &DottingXitemModel{Uid: uid}
}

func createGameCover(uid string) DataOperator {
	return &GameCoverModel{Uid: uid}
}

func createGameCoverXcid(uid string) DataOperator {
	return &GameCoverXcidModel{Uid: uid}
}

func createGameModel(uid string) DataOperator {
	return &GmGameModel{Uid: uid}
}

func createGameXitem(uid string) DataOperator {
	return &GameXitemModel{Uid: uid}
}

func createColumn(uid string) DataOperator {
	return &ColumnModel{Uid: uid}
}

func createTopicContent(uid string) DataOperator {
	return &TopicContentModel{Uid: uid}
}

func createTopic(uid string) DataOperator {
	return &TopicModel{Uid: uid}
}