126 lines
2.5 KiB
Go
126 lines
2.5 KiB
Go
package main
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import "fmt"
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/* 实例
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今天伟哥约自己在富士康工作的老乡出来喝酒，没想到老乡最近一直在加班。听说接了个大活，要同时为小米公司和苹果公司代工他们的笔记本电脑和手机生产业务。
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*/
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// 抽象产品：手机
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type Phone interface {
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setOS()
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}
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// 具体产品：苹果手机
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type IPhone struct {
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Brand string
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}
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func (p *IPhone) setOS() {
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fmt.Println("为该手机安装IOS系统")
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}
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// 具体产品：小米手机
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type MiPhone struct {
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Brand string
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}
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func (p *MiPhone) setOS() {
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fmt.Println("为该手机安装安卓系统")
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}
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// 抽象产品：笔记本电脑
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type Laptop interface {
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setOS()
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}
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// 具体产品：苹果笔记本电脑
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type MacBook struct {
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Brand string
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}
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func (l *MacBook) setOS() {
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fmt.Println("为该笔记本安装macOS系统")
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}
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// 具体产品：小米笔记本电脑
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type MiLaptop struct {
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Brand string
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}
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func (l *MiLaptop) setOS() {
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fmt.Println("为该笔记本安装Windows系统")
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}
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// 抽象工厂
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type Factory interface {
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CreatePhone() Phone
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CreateLaptop() Laptop
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}
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// 具体工厂：苹果工厂
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type AppleFactory struct{}
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func (f *AppleFactory) CreatePhone() Phone {
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phone := &IPhone{}
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phone.Brand = "Apple"
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return phone
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}
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func (f *AppleFactory) CreateLaptop() Laptop {
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laptop := &MacBook{}
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laptop.Brand = "Apple"
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return laptop
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}
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// 具体工厂：小米工厂
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type MiFactory struct{}
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func (f *MiFactory) CreatePhone() Phone {
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phone := &MiPhone{}
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phone.Brand = "Xiaomi"
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return phone
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}
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func (f *MiFactory) CreateLaptop() Laptop {
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laptop := &MiLaptop{}
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laptop.Brand = "Xiaomi"
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return laptop
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}
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func main() {
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var factory Factory
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var phone Phone
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var laptop Laptop
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// 选择苹果工厂
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fmt.Println("伟哥选择了苹果工厂生产产品:")
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factory = &AppleFactory{}
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phone = factory.CreatePhone()
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laptop = factory.CreateLaptop()
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if iphone, ok := phone.(*IPhone); ok {
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fmt.Printf("生产了一台%s手机\n", iphone.Brand)
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iphone.setOS()
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}
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if macbook, ok := laptop.(*MacBook); ok {
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fmt.Printf("生产了一台%s笔记本电脑\n", macbook.Brand)
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macbook.setOS()
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}
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fmt.Println()
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// 选择小米工厂
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fmt.Println("伟哥选择了小米工厂生产产品:")
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factory = &MiFactory{}
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phone = factory.CreatePhone()
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laptop = factory.CreateLaptop()
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if miPhone, ok := phone.(*MiPhone); ok {
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fmt.Printf("生产了一台%s手机\n", miPhone.Brand)
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miPhone.setOS()
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}
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if miLaptop, ok := laptop.(*MiLaptop); ok {
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fmt.Printf("生产了一台%s笔记本电脑\n", miLaptop.Brand)
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miLaptop.setOS()
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}
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}
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