GO设计模式05抽象工厂模式

Posted 2021-06-26 XY丶YX

package main

import (
	"fmt"
)

//抽象产品
type Pizza interface {
	ProducePizza() string
}
type Hamburger interface {
	ProduceHamburger() string
}

//具体产品Pizza
type KFCPizza struct{}
type MJPizza struct{}

func (*KFCPizza) ProducePizza() string {
	return "Produce: KFC Pizza"
}
func (*MJPizza) ProducePizza() string {
	return "Produce: MJ Pizza"
}

//具体产品Hamburger
type KFCHamburger struct{}
type MJHamburger struct{}

func (*KFCHamburger) ProduceHamburger() string {
	return "Produce: KFC Hamburger"
}
func (*MJHamburger) ProduceHamburger() string {
	return "Produce: MJ Hamburger"
}

//抽象工厂
type FoodFactory interface {
	CreatePizza() Pizza
	CreateHamburger() Hamburger
}

//具体工厂
type KFCFactory struct{}

func (*KFCFactory) CreatePizza() Pizza {
	return &KFCPizza{}
}
func (*KFCFactory) CreateHamburger() Hamburger {
	return &KFCHamburger{}
}

type MJFactory struct{}

func (*MJFactory) CreatePizza() Pizza {
	return &MJPizza{}
}
func (*MJFactory) CreateHamburger() Hamburger {
	return &MJHamburger{}
}
func main() {
	fmt.Println("hello")
	var kfcfactory FoodFactory
	kfcfactory = &KFCFactory{}

	var mjfactory FoodFactory
	mjfactory = &MJFactory{}

	kfcPizza := kfcfactory.CreatePizza()
	fmt.Println(kfcPizza.ProducePizza())

	kFCHamburger := kfcfactory.CreateHamburger()
	fmt.Println(kFCHamburger.ProduceHamburger())

	mjPizza := mjfactory.CreatePizza()
	fmt.Println(mjPizza.ProducePizza())

	mjHamburger := mjfactory.CreateHamburger()
	fmt.Println(mjHamburger.ProduceHamburger())
}