1 #include <iostream>
2 #include <string>
3 #include <vector>
4 #include <sstream>
5 using namespace std;
6
7 template<class T>
8 string ConvertToString(T value) {
9 stringstream ss;
10 ss << value;
11 return ss.str();
12 }
13
14 class ExportHeaderModel {
15 public:
16 ExportHeaderModel(string strDepId, string strExportDate) : m_strDepId(strDepId), m_strExportDate(strExportDate) {
17
18 }
19 string getDepId() {
20 return m_strDepId;
21 }
22 string getExportDate() {
23 return m_strExportDate;
24 }
25 private:
26 string m_strDepId;//对账单的部门id
27 string m_strExportDate;//对账单的导出日期
28 };
29
30
31 class ExportDataModel {
32 public:
33 ExportDataModel(string strTransId, double Quantity) : m_strTransId(strTransId), m_Quantity(Quantity) {
34
35 }
36 string getTransId() {
37 return m_strTransId;
38 }
39 double getQuantity() {
40 return m_Quantity;
41 }
42 private:
43 string m_strTransId;//交易Id
44 double m_Quantity;
45 };
46
47 class ExportFooterModel {
48 public:
49 ExportFooterModel(string exportUser) : m_exportUser(exportUser) {}
50 string getExportUser() {
51 return m_exportUser;
52 }
53 private:
54 string m_exportUser;
55 };
56 class Builder {
57 public:
58 virtual void builderHeader(ExportHeaderModel& ehm)=0;
59 virtual void builderBody(vector < ExportDataModel*>& edmCollection) = 0;
60 virtual void builderFoot(ExportFooterModel& efm) = 0;
61 virtual string getResult() = 0;
62 protected:
63 Builder(){}
64 };
65
66 class TxtBuilder : public Builder {
67 public:
68
69 void builderHeader(ExportHeaderModel& ehm) {
70 m_strResulst.append(ehm.getDepId() + "," + ehm.getExportDate() + "\n");
71 }
72 void builderBody(vector < ExportDataModel*>& edmCollection) {
73 for (vector<ExportDataModel*>::iterator iter = edmCollection.begin();iter != edmCollection.end();iter++) {
74 m_strResulst += (*iter)->getTransId() + ":" + ConvertToString((*iter)->getQuantity()) + "\n";
75 }
76 }
77 void builderFoot(ExportFooterModel& efm) {
78 m_strResulst += efm.getExportUser() + "\n";
79 }
80
81 string getResult() {
82 return m_strResulst;
83 }
84 public:
85 TxtBuilder() {
86 m_strResulst = "";
87 }
88 private:
89 string m_strResulst;
90 };
91
92
93 class XmlBuilder : public Builder {
94 public:
95
96 void builderHeader(ExportHeaderModel& ehm) {
97 m_strResulst.append("<?xml version='1.0' encoding='utf-8'>\n");
98 m_strResulst.append("<Receipt>\n");
99 m_strResulst.append(" <Header>\n");
100 m_strResulst.append(" <DepId>");
101 m_strResulst.append(ehm.getDepId() + "</DepId>\n");
102 m_strResulst.append(" <ExportDate>" + ehm.getExportDate() + "</ExportDate>\n");
103 m_strResulst.append(" </Header>\n");
104 }
105 void builderBody(vector < ExportDataModel*>& edmCollection) {
106 m_strResulst.append(" <Body>\n");
107 for (vector<ExportDataModel*>::iterator iter = edmCollection.begin();iter != edmCollection.end();iter++) {
108 m_strResulst.append(" <id>" + (*iter)->getTransId() + "</id>\n");
109 m_strResulst.append(" <amount>" + ConvertToString((*iter)->getQuantity()) + "</amount>\n");
110 }
111 m_strResulst.append(" </Body>\n");
112 }
113 void builderFoot(ExportFooterModel& efm) {
114 m_strResulst.append(" <Footer>\n");
115 m_strResulst.append(" <ExportUser>" + efm.getExportUser() + "</ExportUser>\n");
116 m_strResulst.append(" </Footer>\n</Receipt>\n");
117 }
118
119 string getResult() {
120 return m_strResulst;
121 }
122 public:
123 XmlBuilder() {
124 m_strResulst = "";
125 }
126 private:
127 string m_strResulst;
128 };
129
130 class Director {
131 public:
132 Director(Builder* pBuilder) : m_pBuilder(pBuilder) {
133
134 }
135 void construct(ExportHeaderModel& ehm, vector < ExportDataModel*>& edmCollection, ExportFooterModel& efm) {
136 m_pBuilder->builderHeader(ehm);
137 m_pBuilder->builderBody(edmCollection);
138 m_pBuilder->builderFoot(efm);
139 }
140 private:
141 Builder* m_pBuilder;
142 };
143 int main(void) {
144 ExportHeaderModel* pEhm = new ExportHeaderModel("南京1支行", "6月1日");
145 ExportDataModel* pEdm = new ExportDataModel("1", 10000.00f);
146 ExportDataModel* pEdm2 = new ExportDataModel("2", 20000.00f);
147 vector<ExportDataModel*> myVec;
148 myVec.push_back(pEdm);
149 myVec.push_back(pEdm2);
150 ExportFooterModel* pEfm = new ExportFooterModel("xcj");
151
152 //ExportToTxtHelper helper;
153 //ExportToXmlHelper helper;
154 //helper.doExport(*pEhm, myVec, *pEfm);
155 Builder* pBuilder = new XmlBuilder();
156 Director* pDirector = new Director(pBuilder);
157 pDirector->construct(*pEhm, myVec, *pEfm);
158 cout << pBuilder->getResult() << endl;
159 system("pause");
160 return 0;
161 }
