Open LittlebearHat opened 1 year ago
class Receiver { //我是接收者 execute() { console.log("接收者执行请求"); } } class Command { //我是命令对象 constructor(receiver) { this.receiver = receiver; } execute() { // 调用接收者对应接口执行 console.log("命令对象处理发布者请求"); this.receiver.execute(); } } class Invoker { //我是发布者 constructor(command) { this.command = command; } invoke() { // 调用命令 console.log("发布者发布请求"); this.command.execute(); } } const receiver = new Receiver(); const command = new Command(receiver); const invoker = new Invoker(command); invoker.invoke();