52 lines
1.3 KiB
Java
52 lines
1.3 KiB
Java
package cn.bunny.pattern10;
|
|
|
|
public class Facade {
|
|
public static void main(String[] args) {
|
|
DeviceFacade deviceFacade = new DeviceFacade();
|
|
// 查看
|
|
deviceFacade.on();
|
|
|
|
// 看完关闭
|
|
deviceFacade.off();
|
|
}
|
|
|
|
// 子系统-手机
|
|
static class SubSystemIPhone {
|
|
public void on() {
|
|
System.out.println("打开手机。。。");
|
|
}
|
|
|
|
public void off() {
|
|
System.out.println("关闭手机。。。");
|
|
}
|
|
}
|
|
|
|
// 子系统-天气
|
|
static class SubSystemWeather {
|
|
public void on() {
|
|
System.out.println("打开天气。。。");
|
|
}
|
|
|
|
public void off() {
|
|
System.out.println("关闭天气。。。");
|
|
}
|
|
}
|
|
|
|
// 门面
|
|
static class DeviceFacade {
|
|
// 也可以作为参数传递，如果没有别的实现类，直接在内部初始化会使使用者更简单
|
|
SubSystemIPhone subSystemIPhone = new SubSystemIPhone();
|
|
SubSystemWeather subSystemWeather = new SubSystemWeather();
|
|
|
|
public void on() {
|
|
subSystemIPhone.on();
|
|
subSystemWeather.on();
|
|
}
|
|
|
|
public void off() {
|
|
subSystemWeather.off();
|
|
subSystemIPhone.off();
|
|
}
|
|
}
|
|
}
|