1 #include <iostream>
2 #include <string>
3 #include <sstream>
4 #include <typeinfo>
5 using namespace std;
6 template <class T>
7 string iToStr(T value) {
8 stringstream ss;
9 ss << value;
10 return ss.str();
11 }
12 class OrderApi {
13 public:
14 virtual int getOrderProductNum() = 0;
15 virtual void setOrderProductNum(int num) = 0;
16 virtual string getOrderContent() = 0;
17 virtual OrderApi* cloneOrder() = 0;
18 protected:
19 OrderApi() {}
20 };
21
22 class HomeOrder : public OrderApi {
23 public:
24 int getOrderProductNum() {
25 return m_orderProductNum;
26 }
27 void setOrderProductNum(int num) {
28 m_orderProductNum = num;
29 }
30 string getOrderContent() {
31 return "本次订单的客户是" + m_strCustomerName + "订单的id" + m_strProductId + "订单的数量是" + iToStr(m_orderProductNum);
32 }
33
34 void setCustomerName(string strCustomerName) {
35 m_strCustomerName = strCustomerName;
36 }
37
38 string getCustomerName() {
39 return m_strCustomerName;
40 }
41
42 void setProductId(string strProductId) {
43 m_strProductId = strProductId;
44 }
45 string getProductId() {
46 return m_strProductId;
47 }
48
49 //重构
50 OrderApi* cloneOrder();
51 private:
52 string m_strCustomerName;
53 string m_strProductId;
54 int m_orderProductNum;
55 };
56
57 OrderApi* HomeOrder::cloneOrder() {
58
59 HomeOrder *pHomeOrder = new HomeOrder;
60 pHomeOrder->setCustomerName(m_strCustomerName);
61 pHomeOrder->setProductId(m_strProductId);
62 pHomeOrder->setOrderProductNum(m_orderProductNum);
63 return pHomeOrder;
64 }
65
66
67 class AboardOrder : public OrderApi {
68 public:
69 int getOrderProductNum() {
70 return m_orderProductNum;
71 }
72 void setOrderProductNum(int num) {
73 m_orderProductNum = num;
74 }
75 string getOrderContent() {
76 return "本次订单的客户是" + m_strCustomerName + "订单的id" + m_strProductId + "订单的数量是" + iToStr(m_orderProductNum);
77 }
78
79 void setCustomerName(string strCustomerName) {
80 m_strCustomerName = strCustomerName;
81 }
82
83 string getCustomerName() {
84 return m_strCustomerName;
85 }
86
87 void setProductId(string strProductId) {
88 m_strProductId = strProductId;
89 }
90 string getProductId() {
91 return m_strProductId;
92 }
93 //重构
94 OrderApi* cloneOrder();
95 private:
96 string m_strCustomerName;
97 string m_strProductId;
98 int m_orderProductNum;
99 };
100
101 OrderApi* AboardOrder::cloneOrder() {
102
103 AboardOrder *pHomeOrder = new AboardOrder;
104 pHomeOrder->setCustomerName(m_strCustomerName);
105 pHomeOrder->setProductId(m_strProductId);
106 pHomeOrder->setOrderProductNum(m_orderProductNum);
107 return pHomeOrder;
108 }
109
110 class OrderBusiness {
111 public:
112 void saveOrder(OrderApi* pOrder);
113 };
114
115 void OrderBusiness::saveOrder(OrderApi* pOrder) {
116 //判读一下，工件的数量有无超过200
117 while (pOrder->getOrderProductNum() > 200) {
118 //新建一个订单
119 OrderApi* pNewOrder = pOrder->cloneOrder();
120 pNewOrder->setOrderProductNum(200);
121
122 pOrder->setOrderProductNum(pOrder->getOrderProductNum() - 200);
123 cout << "新订单是" << pNewOrder->getOrderContent() << endl;
124 }
125 //不超过200个
126 cout << "最终的订单是" << pOrder->getOrderContent() << endl;
127 }
128
129 int main(void) {
130 HomeOrder* pHome = new HomeOrder;
131 pHome->setOrderProductNum(512);
132 pHome->setCustomerName("xcj&dst");
133 pHome->setProductId("C++设计模式精讲");
134 OrderBusiness* pOb = new OrderBusiness();
135 pOb->saveOrder(pHome);
136 system("pause");
137 return 0;
138 }
