多态:一个接口能够有多种形态
#include<iostream>
using namespace std;
class AbstractDrinking
{
public:
//纯虚函数
//煮水
virtual void Boil() = 0;
//冲泡
virtual void Brew() = 0;
//倒入杯中
virtual void PourInCup() = 0;
//加入辅料
virtual void PutSomething() = 0;
//制作饮品
void makeDrink()
{
Boil();
Brew();
PourInCup();
PutSomething();
}
};
class Tea:public AbstractDrinking
{
public:
//煮水
virtual void Boil()
{
cout << "111" << endl;
}
//冲泡
virtual void Brew()
{
cout << "111" << endl;
}
//倒入杯中
virtual void PourInCup()
{
cout << "111" << endl;
}
//加入辅料
virtual void PutSomething()
{
cout << "111" << endl;
}
};
//制作函数
void doWork(AbstractDrinking& abs)
{
abs.makeDrink();
//abs->makeDrin();
//delete abs;
}
void test01()
{
Tea tea;
//AbstractDrinking * abs = new Tea
doWork(tea);
}
int main()
{
test01();
}