Adapter 适配器模式

 1 #include <cstdio>
 2 
 3 class Adaptee {
 4 public:
 5     void SpecificRequest(int cost) {
 6         printf("such adaptee so %d\n", cost);
 7     }
 8 
 9 };
10 
11 class Target {
12 public:
13     virtual void Request() = 0;
14 };
15 
16 class AdapterCls : public Target, private Adaptee {
17 public:
18     void Request() {
19         SpecificRequest(100);
20     }
21 };
22 
23 class AdapterImp : public Target {
24 private:
25     Adaptee adaptee;
26 public:
27     void Request() {
28         adaptee.SpecificRequest(100);
29     }
30 };
31 
32 class Client
33 {
34 public:
35     Client();
36     ~Client();
37     void gaoCls() {
38         Target *p = new AdapterCls();
39         p->Request();
40         delete p;
41     }
42     void gaoImp() {
43         Target *p = new AdapterImp();
44         p->Request();
45         delete p;
46     }
47 private:
48 };
49 
50 Client::Client()
51 {
52 }
53 
54 Client::~Client()
55 {
56 }