Java设计模式之浅谈外观模式

package com.lyd.demo.subsystem;

public class airConditioner {
    private static AirConditioner airConditioner = new AirConditioner();
    public static AirConditioner getAirConditioner() {
        return airConditioner;
    }
    public void on() {
        System.out.println("智能家居为您打开[空调]");
    }
    public void off() {
        System.out.println("智能家居为您关闭[空调]");
    }
}

package com.lyd.demo.faced;
import com.lyd.demo.subsystem.AirConditioner;
import com.lyd.demo.subsystem.Lights;
import com.lyd.demo.subsystem.Tv;
import com.lyd.demo.subsystem.windows;

public class SmartHomeFaced {
    private Lights[] lights = new Lights[4]; // 4盏灯
    private Tv tv;
    private AirConditioner airConditioner;
    private Windows windows;
    public SmartHomeFaced() {
        this.lights[0] = Lights.getLights();
        this.lights[1] = Lights.getLights();
        this.lights[2] = Lights.getLights();
        this.lights[3] = Lights.getLights();
        this.tv = Tv.getTv();
        this.airConditioner = AirConditioner.getAirConditioner();
        this.windows = Windows.getWindows();
    }
    public void openAll() {
        lights[0].on(0);
        lights[1].on(1);
        lights[2].on(2);
        lights[3].on(3);
        tv.on();
        airConditioner.on();
        windows.on();
    }
    public void offAll() {
        lights[0].off(0);
        lights[1].off(1);
        lights[2].off(2);
        lights[3].off(3);
        tv.off();
        airConditioner.off();
        windows.off();
    }
}

package com.lyd.demo.test;

import com.lyd.demo.faced.SmartHomeFaced;


public class FacedTest {
    public static void main(String[] args) {
        SmartHomeFaced smartHomeFaced = new SmartHomeFaced();
        smartHomeFaced.openAll();
        smartHomeFaced.offAll();
    }
}