设计模式——原型模式（C++实现）

#include <iostream>
#include <string>

using namespace std;

class CPrototype
{
public:
        CPrototype()
        {

        }
        CPrototype(int iAge): m_iAge(iAge)
        {

        }
        virtual CPrototype* Clone() = 0;

        int m_iAge;
};

class CConcretePrototypeA: public CPrototype
{
public:
        CConcretePrototypeA(int iAge, const string& strName):CPrototype(iAge), m_strName(strName)
        {

        }

//      virtual CPrototype* Clone()
        virtual CConcretePrototypeA* Clone()
        {
                return new CConcretePrototypeA(*this);
        }

private:
        CConcretePrototypeA(const CConcretePrototypeA& tmp)
        {
                this->m_iAge = tmp.m_iAge;
                this->m_strName = tmp.m_strName;
        }

public:
        string m_strName;
};

int main(int argc, char* argv[])
{
//      CPrototype* pstTypeA = new CConcretePrototypeA(30, "lisi");
//      CPrototype* pstTypeB = pstTypeA->Clone();

        CConcretePrototypeA* pstTypeA = new CConcretePrototypeA(30, "lisi");

        CConcretePrototypeA* pstTypeB = pstTypeA->Clone();
        pstTypeB->m_iAge = 40;
        pstTypeB->m_strName = "zhangsan";

        cout<< "pstTypeA.m_iAge: "<< pstTypeA->m_iAge<< "	pstTypeA.m_strName "<< pstTypeA->m_strName<< endl;
        cout<< "pstTypeB.m_iAge: "<< pstTypeB->m_iAge<< "	pstTypeB.m_strName "<< pstTypeB->m_strName<< endl;

        delete pstTypeA;
        delete pstTypeB;

        return 0;
}
////////////////////////////////
[root@ ~/learn_code/design_pattern/7_proto_type]$ ./protoType       
pstTypeA.m_iAge: 30     pstTypeA.m_strName lisi
pstTypeB.m_iAge: 40     pstTypeB.m_strName zhangsan