/*

* @Author: junchao

* @Date: 2021-01-05 16:33:53

* @LastEditTime: 2021-01-06 11:01:25

* @LastEditors: junchao

* @Description:

* @FilePath: /JavaScriptDesignPatterns/command/command.js

* @可以输入预定的版权声明、个性签名、空行等

*/

// 接收者类

class Receiver {

execute(action) {

console.log(`接收者执行命令:${action}`)

}

}

// 命令对象

class Command {

constructor(receiver) {

this.receiver = receiver

}

execute (action) {

console.log(`命令对象接收到命令:${action}`);

this.receiver.execute(action)

}

}

// 发布者

class Invoker {

constructor(command) {

this.command = command

}

invoke(action) {

console.log(`发布者发布命令:${action}`)

this.command.execute(action)

}

}

// 仓库

const warehouse = new Receiver();

// 订单

const order = new Command(warehouse);

// 客户

const client = new Invoker(order);

client.invoke('生产一张书桌')