员工薪资问题

首先在Employee.h里面写入所需要的类,Manager,Technician,SalesMan,SaleManager.

考录到SaleManager既有固定薪水又有提成，所以直接让它继承Manager和SaleMan，因此为了减省代码和空间，将manager和SaleMan都是虚继承。

c++中没有java中接口这个概念，可以用纯虚函数实现接口。

为了计算销售人员的数目，用了两个静态成员变量，一个用来计算总人数，给工号的，一个用来算销售人员总人数的。

Employee.h

#ifndef _EMPLOYEE_H
#define _EMPLOYEE_H

#include <iostream>
#include <string.h>

using namespace std;

class Employee
{
protected:
	string  m_name;
//	int m_age;
//	char m_sex;
	int m_id;
	double m_salary;
	static int count;       //编号
public:
	Employee();
	virtual double Get_salary() = 0;   //纯虚函数
	virtual void print() = 0;
};

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

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

class SaleMan : virtual public Employee
{
protected:
	static int sale_num;
	int m_sale;
public:
	SaleMan(string n, int s);
	double Get_salary();
	void print();
};

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

#endif

Employee.cpp

#include <iostream>
#include <string.h>
#include "Employee.h"
using namespace std;

int Employee::count = 0;
int SaleMan::sale_num = 0;

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

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

double Manager::Get_salary()
{
	m_salary = m_base;
	return m_salary;
}

void Manager::print()
{
	cout << "名字：" << m_name << "工号：" << m_id << "工资：" << Get_salary() << endl;
}

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

double Technician::Get_salary()
{
	m_salary = 300*m_day;
	return m_salary;
}

void Technician::print()
{
	cout << "名字：" << m_name << "工号：" << m_id << "工资：" << Get_salary() << endl;
}

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

double SaleMan::Get_salary()
{
	m_salary = 0.04*m_sale;
	return m_salary;
}

void SaleMan::print()
{
	cout << "名字：" << m_name << "工号：" << m_id << "工资：" << Get_salary() << endl;
}

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

double SaleManager::Get_salary()
{
	m_salary = m_base + 0.02 * sale_num;
	return m_salary;
}

void SaleManager::print()
{
	cout << "名字：" << m_name << "工号：" << m_id << "工资：" << Get_salary() << endl;
}

main.cpp

//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
#include "Employee.h"
#include <iostream>
using namespace std;
int main()
{
 srand(time(NULL));
 char name[20] = {0};
 
 Employee *pt[5] = {0};
 Employee *ps[10] = {0};
 Employee *psm = NULL;
 Employee *pm = new Manager("aa", 8000);
 
 for(int i = 0;i<5;i++)
 {
  sprintf(name, "Technician%d",i);
  pt[i] = new Technician(name ,rand() %22+1);
  pt[i]->print();
 }
 
 for(int i = 0;i<10;i++)
 {
  sprintf(name ,"S%d", i);
  ps[i] = new SaleMan(name ,rand() % 200000);
  ps[i]->print();
 }
 
 psm = new SaleManager("bb");
 psm->print();
 
 return 0;
}

main函数中用到了很多随机的函数，之前没学过，老师上课带着我们敲了一下，可以记住。

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