设计模式——外观模式

 1 /**
 2  * 声音接口
 3  * @author Apache_xiaochao
 4  *
 5  */
 6 public interface Voice {
 7     
 8     /**
 9      * 开启声音
10      */
11     void on();
12     /**
13      * 关闭声音
14      */
15     void off();
16 
17 }

 1 /**
 2  * 屏幕接口
 3  * @author Apache_xiaochao
 4  *
 5  */
 6 public interface Screen {
 7     
 8     /**
 9      * 调亮屏幕
10      */
11     void dodge();
12     /**
13      * 调暗屏幕
14      */
15     void dimming();
16 
17 }

/**
 * 电脑声音类
 * @author Apache_xiaochao
 *
 */
public class PCVoice implements Voice {

    @Override
    public void on() {
        System.out.println("开启声音！");
    }

    @Override
    public void off() {
        System.out.println("关闭声音！");
    }

}

/**
 * 电脑屏幕类
 * @author Apache_xiaochao
 *
 */
public class PCScreen implements Screen {

    @Override
    public void dodge() {
        System.out.println("亮度增加！");
    }

    @Override
    public void dimming() {
        System.out.println("亮度降低！");
    }

}

 1 /**
 2  * 一键影音
 3  * 
 4  * @author Apache_xiaochao
 5  * 
 6  */
 7 public class OnekeyTheater {
 8 
 9     private Voice voice;
10     private Screen screen;
11 
12     public OnekeyTheater(Voice voice, Screen screen) {
13         super();
14         this.voice = voice;
15         this.screen = screen;
16     }
17 
18     /**
19      * 开启一键影音功能
20      */
21     public void start() {
22         voice.on();
23         screen.dodge();
24     }
25 
26     /**
27      * 关闭一键影音功能
28      */
29     public void close() {
30         voice.off();
31         screen.dimming();
32     }
33 
34 }

 1 public class Driver {
 2 
 3     public static void main(String[] args) {
 4         Voice voice = new PCVoice();
 5         Screen screen = new PCScreen();        
 6         OnekeyTheater onekeyTheater = new OnekeyTheater(voice, screen);
 7         onekeyTheater.start(); //在这里可以进行一键操作，同时触发多个设备
 8         onekeyTheater.close(); //在这里可以进行一键操作，同时关闭多个设备
 9     }
10 
11 }