放假啦~学生们要买车票回家了，有汽车票、火车票，等。但是，车站很远，又要考试，怎么办呢？找代理买啊，虽然要多花点钱，但是，说不定在搞活动，有折扣呢~
1 ///
2 /// @file Selling_Tickets.h
3 /// @author marrs([email protected])
4 /// @date 2017-08-13 20:35:28
5 ///
6
7 #ifndef __SELLING_TICKETS_H__
8 #define __SELLING_TICKETS_H__
9
10 #include <iostream>
11
12 namespace marrs{
13
14 using std::cout;
15 using std::endl;
16
17 class SellingTickets
18 {
19 public:
20 virtual ~SellingTickets(){}
21
22 public:
23 virtual void Selling() = 0;
24 virtual void Price() = 0;
25
26 };
27
28 }
29
30 #endif // __SELLING_TICKETS_H__
1 ///
2 /// @file Tickets.h
3 /// @author marrs([email protected])
4 /// @date 2017-08-13 20:39:17
5 ///
6
7 #ifndef __TICKETS_H__
8 #define __TICKETS_H__
9
10 #include "Selling_Tickets.h"
11
12 namespace marrs{
13
14 class Tickets
15 : public SellingTickets
16 {
17
18 };
19
20 }
21
22 #endif // __TICKETS_H__
1 ///
2 /// @file Bus_Ticket.h
3 /// @author marrs([email protected])
4 /// @date 2017-08-13 20:41:08
5 ///
6
7 #ifndef __BUS_TICKET_H__
8 #define __BUS_TICKET_H__
9
10 #include "Tickets.h"
11
12 namespace marrs{
13
14 class BusTicket
15 : public Tickets
16 {
17 public:
18 void Selling()
19 {
20 cout << "selling : BusTicket" << endl;
21 }
22
23 void Price()
24 {
25 cout << "price : 80 RMB" << endl;
26 }
27 };
28
29 }
30
31 #endif // __BUS_TICKET_H__
1 ///
2 /// @file Train_Ticket.h
3 /// @author marrs([email protected])
4 /// @date 2017-08-13 20:41:08
5 ///
6
7 #ifndef __TRAIN_TICKET_H__
8 #define __TRAIN_TICKET_H__
9
10 #include "Tickets.h"
11
12 namespace marrs{
13
14 class TrainTicket
15 : public Tickets
16 {
17 public:
18 void Selling()
19 {
20 cout << "selling : TrainTicket" << endl;
21 }
22
23 void Price()
24 {
25 cout << "price : 100 RMB" << endl;
26 }
27 };
28
29 }
30
31 #endif // __TRAIN_TICKET_H__
1 ///
2 /// @file Proxy.h
3 /// @author marrs([email protected])
4 /// @date 2017-08-13 20:46:13
5 ///
6
7 #ifndef __PROXY_H__
8 #define __PROXY_H__
9
10 #include "Tickets.h"
11
12 namespace marrs{
13
14 class Proxy
15 : public SellingTickets
16 {
17 public:
18 Proxy(Tickets * ticket)
19 : _ticket(ticket)
20 {
21 }
22
23 ~Proxy()
24 {
25 delete _ticket;
26 }
27
28 public:
29 void Selling()
30 {
31 _ticket->Selling();
32 }
33
34 void Price()
35 {
36 _ticket->Price();
37 Proxy_Price();
38 Discount();
39 }
40
41 private:
42 void Proxy_Price()
43 {
44 cout << "proxy price : 50 RMB" << endl;
45 }
46
47 void Discount()
48 {
49 cout << "discount : 50%" << endl;
50 }
51
52 private:
53 Tickets * _ticket;
54
55 };
56
57 }
58
59 #endif // __PROXY_H__
1 ///
2 /// @file Student.cc
3 /// @author marrs([email protected])
4 /// @date 2017-08-13 20:51:42
5 ///
6
7 #include "Proxy.h"
8 #include "Bus_Ticket.h"
9 #include "Train_Ticket.h"
10
11 using namespace marrs;
12
13 int main()
14 {
15 Proxy * proxy;
16 proxy = new Proxy(new BusTicket);
17 proxy->Selling();
18 proxy->Price();
19 delete proxy;
20
21 proxy = new Proxy(new TrainTicket);
22 proxy->Selling();
23 proxy->Price();
24 delete proxy;
25
26 return 0;
27 }
编译，运行
[[email protected] ~/object-oriented/Proxy_Pattern]$>g++ * -o Tickets.exe [[email protected] ~/object-oriented/Proxy_Pattern]$>./Tickets.exe selling : BusTicket price : 80 RMB proxy price : 50 RMB discount : 50% selling : TrainTicket price : 100 RMB proxy price : 50 RMB discount : 50%
时间： 2024-10-28 10:23:57