继承与派生的应用3

/*编写一个程序实现小型公司的工资管理。人员：经理、技术人员、销售员、销售经理。
信息：编号、姓名、月工资信息。经理拿固定工资8000；技术人员每小时100元；
销售员按当月销售额的4%提成；销售经理既拿固定工资5000，又拿销售提成，
销售提成为所在部门销售额的0.5%。
*/

#include<iostream>
using namespace std;

class employee
{
protected:
int ID;
char name[10];
double salary;
static int ID_NUM;
public:
employee(){salary=0;ID=ID_NUM++;}
void pay(){}
void Setname(char *name){strcpy(this->name,name);}
int GetID(){return ID;}
char *Getname(){return name;}
double GetSalary(){return salary;}
};

int employee::ID_NUM=1000;
class technician:public employee
{
private:
int hours;
double hour_rate;
public:
technician(){hour_rate=100;}
void GetHours(int hours){this->hours=hours;}
void pay(){salary=hours*hour_rate;}
};
class manager:virtual public employee
{
protected:
double month_pay;
public:
manager(){month_pay=8000;}
void pay(){salary=month_pay;}
};

class salesman:virtual public employee
{
protected:
double CommRate;
double sales;
public:
salesman(){CommRate=0.04;}
void GetSales(double sales){this->sales=sales;}
void pay(){salary=sales*CommRate;}
};

class salesmanager:public manager,public salesman
{
public:
salesmanager(){month_pay=5000;CommRate=0.005;}
void pay(){salary=month_pay+CommRate*sales;}
};

int main()
{
int wt,sale1,sale2;
manager P1;
technician P2;
salesman P3;
salesmanager P4;

P1.Setname("TOM");
P2.Setname("MARY");
P3.Setname("JACK");
P4.Setname("BOB");
P1.pay();

cout<<"请输入技术人员的工作时间：";
cin >> wt;
P2.GetHours(wt);
P2.pay();

cout<<"请输入销售员的销售额：";
cin >> sale1;
P3.GetSales(sale1);
P3.pay();

cout<<"请输入销售经理管辖的部门的销售额：";
cin >> sale2;
P4.GetSales(sale2);
P4.pay();

cout<<"WorkNum  Name   Salary   Positon"<<endl;
cout<<P1.GetID()<<"\t"<<P1.Getname()<<"\t"<<P1.GetSalary()<<"\tmanager"<<endl;
cout<<P2.GetID()<<"\t"<<P2.Getname()<<"\t"<<P2.GetSalary()<<"\ttechnician"<<endl;
cout<<P3.GetID()<<"\t"<<P3.Getname()<<"\t"<<P3.GetSalary()<<"\tsalesman"<<endl;
cout<<P4.GetID()<<"\t"<<P4.Getname()<<"\t"<<P4.GetSalary()<<"\tsalesmanager"<<endl;
return 0;
}