/* 程序12.2：使用虛函數(shù)實(shí)現(xiàn)滯后聯(lián)編.cpp：*/
#include<iostream>		//包含頭文件
#include<string>		//包含頭文件
using namespace std;	//使用名字空間std
class Employee			//聲明基類Employee
{
public:
	virtual void Cal_salary()		//聲明基類成員函數(shù)
	{
	cout<<"調(diào)用基類Employee成員函數(shù)"<<endl;	
	}
};
class Woker:public Employee	//聲明子類Woker
{
public:
	void Cal_salary()		//聲明子類成員函數(shù)
	{
	cout<<"調(diào)用子類Woker成員函數(shù)"<<endl;	
	}
};
class Manager:public Employee//聲明子類Manager
{
public:
	void Cal_salary()		//聲明子類成員函數(shù)
	{
	cout<<"調(diào)用子類Manager成員函數(shù)"<<endl;	
	}
};
int main()
{
	Employee *Ptr;
	Ptr= new Employee ;
	Ptr->Cal_salary();	//調(diào)用Employee成員函數(shù)
	Ptr= new Woker;
	Ptr->Cal_salary();	//本想調(diào)用Woker成員函數(shù)
	Ptr= new Manager;
	Ptr->Cal_salary();	//本想調(diào)用Manager成員函數(shù)
	return 0;
}