第6章-装饰模式

 1 /**
 2  * 人
 3  * @author Persion
 4  *
 5  */
 6 public class Persion {
 7 
 8     private String name;
 9     
10     public Persion(){}
11     
12     public Persion(String name){
13         
14         this.name = name;
15     }
16     
17     
18     public void show(){
19         System.err.print("装扮："+name+"            ");
20     }
21 
22 }

 1 public class Finery extends Persion{
 2 
 3     protected Persion persion;
 4     
 5     public void Decorate(Persion persion){
 6         this.persion=persion;
 7     }
 8     
 9     public void show(){
10         if(persion != null){
11             persion.show();
12         }
13     }
14 
15 }

1 public class BigTrouser extends Finery {
2 
3     @Override
4     public void show(){
5         System.out.print("裤子        ");
6         persion.show();
7     }
8 }

1 public class TShrts extends Finery{
2     
3     @Override
4     public void show(){
5         System.out.print("大T恤        ");
6         persion.show();
7     }
8     
9 }

 1 /**
 2  * 装饰模式
 3  * @author lucksheep
 4  *
 5  */
 6 public class Test {
 7 
 8     /**
 9      * @param args
10      */
11     public static void main(String[] args) {
12         
13         Persion persion=new Persion("小肥羊");
14         
15         TShrts shrts=new TShrts();
16         BigTrouser bt=new BigTrouser();
17         
18         shrts.Decorate(persion);
19         bt.Decorate(shrts);
20         
21         bt.show();
22     }
23 
24 }