C++:类的继承示例

#pragma once
class Employee
{
public:
	Employee();
	Employee(char *pcName, char *pcNo, int nDept);//构造函数
	~Employee();
public:

	void SetName(char *pcName);	//设置姓名
	void SetNo(char *pcNo);		//设置编号
	void SetDept(int nDept);		//设置部门号
	void Display();		//输出雇员信息
protected:
	char m_cName[20];	//姓名
	char m_cNo[20];	//编号
	int m_nDepartment;	//部门号
};

#include "stdafx.h"
#include "Employee.h"

#include 
using namespace std;
Employee::Employee()
{
}
Employee::Employee(char *pcName, char *pcNo, int nDept)//构造函数
{
	SetName(pcName);
	SetNo(pcNo);
	SetDept(nDept);
}

Employee::~Employee()
{
}
void Employee::SetName(char *pcName)	//设置姓名
{
	strcpy_s(m_cName, pcName);
}
void Employee::SetNo(char *pcNo)		//设置编号
{
	strcpy_s(m_cNo, pcNo);
}
void Employee::SetDept(int nDept)		//设置部门号
{
	m_nDepartment = nDept;
}
void Employee::Display()		//输出雇员信息
{
	cout << "姓名：" << m_cName << endl
		<< "编号：" << m_cNo << endl
		<< "部门号：" << m_nDepartment << endl;
}

#pragma once
#include "Employee.h"
class Manager :	public Employee		//继承于Employee类
{
public:
	Manager();
	Manager(char *pcName, char *pcNo, int nDept, int nLvl);//构造函数
	~Manager();
public:
	void Setlvl(int nLvl);	//设置级别
	void Display();	//重定义，输出经理的信息
private:
	int m_nLevel;	//级别
};

#include "stdafx.h"
#include "Manager.h"

#include 
using namespace std;
Manager::Manager()
{
}


Manager::~Manager()
{
}
Manager::Manager(char *pcName, char *pcNo, int nDept, int nLvl)
	:Employee(pcName, pcNo, nDept)			//构造函数,调用基类的构造函数
{
	Setlvl(nLvl);
}

void Manager::Setlvl(int nLvl)	//设置级别
{
	m_nLevel = nLvl;
}
void Manager::Display()	//重定义，输出经理的信息
{
	cout << "姓名：" << m_cName << endl
		<< "编号：" << m_cNo << endl
		<< "部门号：" << m_nDepartment << endl
		<< "级别：" << m_nLevel << endl;
}

// ClassExample20220505.cpp : 定义控制台应用程序的入口点。
//

#include "stdafx.h"
#include"Manager.h"
#include 
using namespace std;
int _tmain(int argc, _TCHAR* argv[])
{
	Employee e("孙悟空", "500001", 12);
	e.Display();
	Manager m("唐僧", "9800152", 12, 8);
	m.Display();
	m.SetName("菩提老祖");
	m.SetNo("9800151");
	m.SetDept(3);
	m.Setlvl(10);
	m.Display();
	
	getchar();
	return 0;
}

运行结果：