java基础之：匿名内部类应用例子一

一：接口

 1 package com.yeepay.sxf.testclassforinner;
 2
 3 /**
 4  * 回调接口.
 5  * @author shangxiaofei
 6  *
 7  */
 8 public interface CallBack {
 9
10     public boolean process(Integer a);
11
12     public boolean delete(Integer b);
13 }

二：业务类

 1 package com.yeepay.sxf.testclassforinner;
 2 /**
 3  * 业务类使用回调接口
 4  * @author shangxiaofei
 5  *
 6  */
 7 public class PayMentService {
 8
 9
10     public String payforMoney(Integer a,CallBack callBack){
11         System.out.println("PayMentService.payforMoney()"+a);
12         Integer m=a+100;
13         if(m>100){
14             boolean falg=callBack.process(m);
15             if(falg){
16                 return "callBack.process"+m;
17             }else{
18                 return "callBack.process"+m;
19             }
20
21         }else{
22             boolean flag=callBack.delete(m);
23             if(flag){
24                 return "callBack.delete"+m;
25             }else{
26                 return "callBack.delete"+m;
27             }
28         }
29     }
30 }

三：控制类

 1 package com.yeepay.sxf.testclassforinner;
 2 /**
 3  * 测试类
 4  * @author shangxiaofei
 5  *
 6  */
 7 public class TestController {
 8
 9     private PayMentService payMentService=new PayMentService();
10
11     private String dd="sxf";
12
13     public void testPay(){
14
15         String aString=payMentService.payforMoney(100, new CallBack() {
16
17             @Override
18             public boolean process(Integer a) {
19                 String mString="";
20                 if(a>100){
21                     mString="sxf";
22                 }
23                 if(mString.equals(dd)){
24                     return true;
25                 }
26                 return false;
27             }
28
29             @Override
30             public boolean delete(Integer b) {
31                 String mString="";
32                 if(b<100){
33                     mString="sxf";
34                 }
35                 if(mString.equals(dd)){
36                     return true;
37                 }
38                 return false;
39             }
40         });
41
42
43         System.out.println("enclosing_type.enclosing_method()"+aString);
44     }
45
46
47     public static void main(String[] args) {
48         TestController controller=new TestController();
49         controller.testPay();
50     }
51 }