Golang设计模式之命令模式

创建文件Command.go

package command

type Command interface {
    Execute() // 执行
}

创建文件motherBoard.go

package command

import "fmt"

type MotherBoard struct {
}

func (*MotherBoard) WashClothes() {
    fmt.Println("MM去洗衣服")
}

func (*MotherBoard) WarmBed() {
    fmt.Println("MM去暖床")
}

创建文件MMCommand1.go

package command

type MMCommand1 struct {
    mb *MotherBoard
}

func NewMMCommand1(mb *MotherBoard) *MMCommand1 {
    return &MMCommand1{mb: mb}
}

func (mmc1 *MMCommand1) Execute() {
    mmc1.mb.WashClothes() // 洗衣服
}

创建文件MMCommand2.go

package command

type MMCommand2 struct {
    mb *MotherBoard
}

func NewMMCommand2(mb *MotherBoard) *MMCommand2 {
    return &MMCommand2{mb: mb}
}

func (mmc1 *MMCommand2) Execute() {
    mmc1.mb.WarmBed()
}

创建文件Box.go

package command

import "fmt"

type Box struct {
    WashClothes Command
    WarmBed     Command
}

func NewBox(washClothes, warmBed Command) *Box {
    return &Box{
        WashClothes: washClothes,
        WarmBed:     warmBed,
    }
}

func (b *Box) GoWashClothes() {
    fmt.Println("给妹子买了一束花")
    b.WashClothes.Execute()
}

func (b *Box) GoWarmBed() {
    fmt.Println("给妹子买了iPhone")
    b.WarmBed.Execute()
}

main.go

package main

import "test/design/command"

func main() {
    mb := &command.MotherBoard{}
    cm1 := command.NewMMCommand1(mb)
    cm2 := command.NewMMCommand2(mb)

    box1 := command.NewBox(cm1, cm2)
    box1.GoWarmBed()
    box1.GoWashClothes()

    box2 := command.NewBox(cm1, cm2)
    box2.GoWarmBed()
    box2.GoWashClothes()
}