Person類

#ifndef PERSON_H

#define PERSON_H

#include<iostream>

using namespace std;

class Person

{

public:

Person(string name)

{

m_strName = name;

cout << "Person()" << endl;

}

virtual ~Person()

{

cout << "~Person()" << endl;

}

virtual void work() = 0;

public:

string m_strName;

};

#endif

Worker類：

#ifndef WORKER_H

#define WORKER_H?

#include"Person.h"

class Worker : public Person

{

Worker(string name,int age):Person(name)

{

//m_strName = name;

m_iAge = age;

cout << "Worker()" << endl;

}

virtual void work()

{

cout <<"work()" << endl;

}

public:

int m_iAge;

};

#endif

主函數：

#include<iostream>

//#include"Person.h"

#include"Worker.h"

using namespace std;

int main(void)

{

Worker Workr("lily",67);

system("pause");

return 0 ;

}