1 #include <iostream> 2 #include <string> 3  4 using namespace std; 5  6 class CPrototype 7 { 8 public: 9         CPrototype()10         {11 12         }13         CPrototype(int iAge): m_iAge(iAge)14         {15 16         }17         virtual CPrototype* Clone() = 0;18 19         int m_iAge;20 };21 22 class CConcretePrototypeA: public CPrototype23 {24 public:25         CConcretePrototypeA(int iAge, const string& strName):CPrototype(iAge), m_strName(strName)26         {27 28         }29 30 //      virtual CPrototype* Clone()31         virtual CConcretePrototypeA* Clone()32         {33                 return new CConcretePrototypeA(*this);34         }35 36 private:37         CConcretePrototypeA(const CConcretePrototypeA& tmp)38         {39                 this->m_iAge = tmp.m_iAge;40                 this->m_strName = tmp.m_strName;41         }42 43 public:44         string m_strName;45 };46 47 int main(int argc, char* argv[])48 {49 //      CPrototype* pstTypeA = new CConcretePrototypeA(30, "lisi");50 //      CPrototype* pstTypeB = pstTypeA->Clone();51 52         CConcretePrototypeA* pstTypeA = new CConcretePrototypeA(30, "lisi");53 54         CConcretePrototypeA* pstTypeB = pstTypeA->Clone();55         pstTypeB->m_iAge = 40;56         pstTypeB->m_strName = "zhangsan";57 58         cout<< "pstTypeA.m_iAge: "<< pstTypeA->m_iAge<< "\tpstTypeA.m_strName "<< pstTypeA->m_strName<< endl;59         cout<< "pstTypeB.m_iAge: "<< pstTypeB->m_iAge<< "\tpstTypeB.m_strName "<< pstTypeB->m_strName<< endl;60 61         delete pstTypeA;62         delete pstTypeB;63 64         return 0;65 }66 ////////////////////////////////67 [root@ ~/learn_code/design_pattern/7_proto_type]$ ./protoType       68 pstTypeA.m_iAge: 30     pstTypeA.m_strName lisi69 pstTypeB.m_iAge: 40     pstTypeB.m_strName zhangsan