练练手：类Employee

需求：

//公司有四种职位经理（Manager）技术人员（Technician）销售（SaleMan）销售经理（SaleManager）
//每增加一个人，工号加1
//薪资：经理 8000 技术人员 300/天销售总额*4% 销售经理部门销售额*2%+4000

这个小程序主要用于熟悉继承中多态，纯虚函数等上课内容

Employee.h

#ifndef _EMPLOYEE_H
#define _EMPLOYEE_H

#include <iostream>
#include <string>

using namespace std;

class Employee
{
protected:
	static int num;
	int m_id;
	string m_name;
	double m_Salary;
public:
	Employee();
	virtual double GetSalary() = 0;
	virtual void show() = 0;
};

class Manager : virtual public Employee
{
protected:
	int m_base;
public:
	Manager(string n, int b);
	double GetSalary();
	void show();
};

class Technician : public Employee
{
private:
	int m_day;
public:
	Technician(string n, int d);
	double GetSalary();
	void show();
};

class SaleMan : virtual public Employee
{
protected:
	static int sale_sum;
	int m_sale;
public:
	SaleMan(string n, int s);
	double GetSalary();
	void show();
};

class SaleManager : public SaleMan, public Manager
{
public:
	SaleManager(string n);
	double GetSalary();
	void show();
};

#endif

Employee.cpp

#include "Employee.h"
#include <iostream>

using namespace std;

int Employee::num = 0;
int SaleMan::sale_sum = 0;

Employee::Employee()
{
	num++;
	m_id = num;
}

Manager::Manager(string n, int b = 8000)
{
	m_name = n;
	m_base = b;
}

double Manager::GetSalary()
{
	m_Salary = m_base;
	return m_base;
}

void Manager::show()
{
	cout << "name: " << m_name << "   ID: " << m_id << "    Pay: " << GetSalary() << endl;
}

Technician::Technician(string n, int d)
{
	m_name = n;
	m_day = d;
}

double Technician::GetSalary()
{
	m_Salary = 300 * m_day;

	return m_Salary;
}

void Technician::show()
{
	cout << "name: " << m_name << "   ID: " << m_id << "    Pay: " << GetSalary() << endl;
}

SaleMan::SaleMan(string n, int s = 0)
{
	m_name = n;
	m_sale = s;
	sale_sum += m_sale;
}

double SaleMan::GetSalary()
{
	m_Salary = m_sale * 0.04;
	return m_Salary;
}

void SaleMan::show()
{
	cout << "name: " << m_name << "   ID: " << m_id << "    Pay: " << GetSalary() << endl;
}


SaleManager::SaleManager(string n) : SaleMan(n), Manager(n, 4000)
{

}

double SaleManager::GetSalary()
{
	m_Salary = m_base + sale_sum * 0.02;
	return m_Salary;
}

void SaleManager::show()
{
	cout << "name: " << m_name << "   ID: " << m_id << "    Pay: " << GetSalary() << endl;
}

运行结果：

练练手：类Employee

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