自考新教材-p189

源程序：

#include<iostream>
#include<string>
using namespace std;

class employee //类employee将作为其他几个类的基类
{
short age;
float salary;
protected:
string name;
public:
employee(short ag,float sa,string na)
{
age=age;
salary=sa;
name=na;
};
void print()
{
cout<<"\n"<<name<<":\t";
cout<<age<<":\t";
cout<<salary;
}
~employee()
{
}
};

class manager:public employee //派生类
{
int level;
public:
manager(short ag,float sa,string na,int lev):employee(ag,sa,na) //对基类初始化
{
level = lev;
}
void print()
{
employee::print(); //调用基类print（）显示“共性”数据
cout<<"\tlevel:"<<endl;
}
};

class engineer:public employee
{
char speciality,adegree;
public:
engineer(short ag,float sa,string na,char spe,char ade):employee(ag,sa,na) //对基类初始化
{
speciality=spe;
adegree=ade;
}
void print()
{
employee::print(); //调用基类print（）显示“共性”数据
cout<<"\tspeciality:"<<speciality;
cout<<"\tadegree:"<<adegree;
}
};
enum ptitle{PS,GM,VPS,VGM};
class director:public manager
{
ptitle post;
public:
director(short ag,float sa,string na,int le,ptitle po):manager(ag,sa,na,le) //对基类初始化
{
post=po;
}
void print()
{
manager::print(); //调用基类print（）显示“共性”数据
cout<<"\tpost:"<<post<<endl;
}
};

int main()
{
employee emp1(23,610.5,"wang"),emp2(27,824.75,"li");
manager man1(32,812.45,"zhang",11),man2(34,1200.5,"chen",7);
engineer eng(26,1420.10,"sun",'E','M');
director dir(38,1800.2,"liu",2,VPS);
emp1.print();
emp2.print();
man1.print();
man2.employee::print(); //调用基类的print（）
eng.print();
dir.print();
return 0;
}

运行结果：