C++之继承

#pragma once

#include <iostream>
#include <cstdlib>
#include <string>

using std::cout;
using std::string;
using std::endl;

class Cfather
{
protected:
	int num;
	string name;
	string sex;
public:
	//父类构造函数
	Cfather(int num, string name,string sex)
	{
		this->name = name;
		this->num = num;
		this->sex = sex;
		cout << "父类构造函数" << endl;
	}
	void show();

	~Cfather()
	{
		cout << "父类的析构函数" << endl;
		cout << endl << endl << endl;
	}
};

void Cfather::show()
{
	cout << name << "  " << sex << "   " << num << endl;
}

class Cson : public Cfather
{
	string clas;
	string school;
public:
	//子类构造函数
	Cson(int num,string name,string sex,string clas,string school):Cfather(num,name,sex)		//使用初始化列表调用父类构造函数
	{
		this->school = school;
		this->clas = clas;
		cout << "子类构造函数" << endl;
	}
	~Cson()
	{
		cout << "子类析构函数" << endl;
	}
};

class CGrandson : public Cson
{
public:
	CGrandson(int num, string name, string sex, string clas, string school);
	~CGrandson();

private:

};

CGrandson::CGrandson(int num, string name, string sex, string clas, string school): Cson(num,name,sex,clas,school)
{
	cout << "孙子类的构造函数" << endl;
}

CGrandson::~CGrandson()
{
	cout << "孙子类的析构函数" << endl;
}

#include "标头.h"

int main()
{
	/*Cfather father(123, "XXX", "man");*/
	Cson son(38,"XXX","men","五(2)班","XXX");

	/*father.show();*/
	son.show();

	cout << endl << endl << endl;

	CGrandson grandson(10, "xxx", "women", "五(2)班", "XXXX");

	return 0;
}