go语言的工厂方法

package main

import (
	"fmt"
)

/*
封装人，属性包括姓名，年龄，身高，体重，颜值，资产，性别，性取向
给人封装结婚方法，参数是潜在的结婚对象
①如果对方的性取向有问题，panic
②如果对方的颜值过低，返回错误
③否则返回满意程度
 */
 //性别枚举
 type Gander int

func (g Gander)String() string{
	return []string{"Male","Female","Bisexual"}[g]
}
const (
	//男的
	Male = iota
	//女的
	Female
	//二椅子
	Bisexual
)

 //不理想配偶错误
 type BadSpouseError struct {
	why string
}

 func (bse *BadSpouseError)Error()string{
	return bse.why
 }
func (bse *BadSpouseError)String()string{
	return bse.why
}
 
 type Human struct {
 	Name string
 	Age int
 	Height int
 	Weight int
 	Rmb int

 	//自己的颜值
 	Looking int
 	//结婚对象的颜值
 	TargetLooking int

 	//自己的性别
 	Sex Gander
 	//结婚对象的性别
 	TargetSex Gander
 }

 //h *Human 自己结婚，o *Human：结婚对象,happiness int默认是0
 func (h *Human)Marry(o *Human) (happiness int,err error){
 	//如果对方的性取向有问题，panic
	if o.Sex != h.TargetSex{
		panic(&BadSpouseError{"性别不符合要求"})
	}
	//如果对方的颜值过低，返回错误
	if o.Looking < h.TargetLooking{
		//err = errors.New("颜值过低")
		err = &BadSpouseError{"颜值过低"}
		return
	}
 	//	计算幸福程度
 	happiness = (o.Height * o.Rmb * o.Looking) / (o.Weight * o.Age)
	return
 }

 //工厂方法
 func NewHuman(name string,age,height,weight,rmb,looking,targetLooking int,sex,targetSex Gander) *Human{
	h := new(Human)
	h.Name = name
	h.Age = age
	h.Height , h.Weight , h.Rmb , h.Looking , h.TargetLooking , h.Sex , h.TargetSex = height , weight , rmb , looking , targetLooking , sex , targetSex
	return h
 }

func main() {
	defer func() {
		if err := recover();err!=nil{
			fmt.Println(err)
		}
	}()
	cook := NewHuman("库克",60,180,150,1234567890,60,90,Male,Male)
	ySister := NewHuman("你妹",20,180,150,50,99,50,Female,Male)

	happiness, err := cook.Marry(ySister)
	//happiness, err := ySister.Marry(cook)
	if err != nil {
		fmt.Println("牵手失败，err=",err)
	}else{
		fmt.Println("牵手成功，幸福指数=",happiness)
	}
}