每日随笔——装饰模式
[实验任务一]:手机功能的升级
用装饰模式模拟手机功能的升级过程:简单的手机(SimplePhone)在接收来电时,会发出声音提醒主人;而JarPhone除了声音还能振动;更高级的手机(ComplexPhone)除了声音、振动外,还有灯光闪烁提示。
实验要求:
1.提交类图;
2.提交源代码;
3.注意编程规范。
源码:
Client package sc11; public class Client { public static void main(String[]args) { Phone p=new SimplePhone(); p.receiveCall(); System.out.println("Simple"); Phone p1=new JarPhone(p); p1.receiveCall(); System.out.println("JarPhone"); Phone p2=new ComplexPhone(p1); p2.receiveCall(); System.out.println("ComplexPhone"); } } ComplexPhone package sc11; public class ComplexPhone extends PhoneDecorator{ public ComplexPhone(Phone p) { // TODO Auto-generated constructor stub super(p); } public void receiveCall() { super.receiveCall(); System.out.println("接受来电,灯光闪烁"); } } JarPhone package sc11; public class JarPhone extends PhoneDecorator{ public JarPhone(Phone p) { // TODO Auto-generated constructor stub super(p); } public void receiveCall() { super.receiveCall(); System.out.println("接受来电,手机震动"); } } Phone package sc11; public abstract class Phone { public abstract void receiveCall(); } PhoneDecorator package sc11; public class PhoneDecorator extends Phone{ private Phone phone; public PhoneDecorator(Phone p) { // TODO Auto-generated constructor stub if(p!=null) { phone=p; }else { phone=new SimplePhone(); } } @Override public void receiveCall() { // TODO Auto-generated method stub phone.receiveCall(); } } SimplePhone package sc11; public class SimplePhone extends Phone { . @Override public void receiveCall() { // TODO Auto-generated method stub System.out.println("接受来电,电话响了"); } }
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