<Head First 设计模式>：模板方法模式：Beverage

来源：互联网发布：mac装双系统的利弊编辑：程序博客网时间：2024/05/16 01:39

#ifndef __COFFINEBEVERAGE_H__#define __COFFINEBEVERAGE_H__#include <iostream>using namespace std;class Beverage{public:Beverage(){}virtual ~Beverage(){}void Prepare(){BoilWater();Brew();PourInCup();AddCondiments();}virtual void Brew() = 0;virtual void AddCondiments() = 0;void BoilWater(){cout << "Boil Water." << endl;}void PourInCup(){cout << "Pour In Cup." << endl;}};class Coffe : public Beverage{public:Coffe(){}virtual ~Coffe(){}virtual void Brew(){cout << "Dripping Water through filter" << endl;}virtual void AddCondiments(){cout << "Add sugar and milk" << endl;}};class Tea : public Beverage{public:Tea(){}virtual ~Tea(){}virtual void Brew(){cout << "Steeping the tea." << endl;}virtual void AddCondiments(){cout << "Add lemon." << endl;}};#endif

#include <iostream>#include "Beverage.h"using namespace std;int main(){Beverage *t = new Tea();t->Prepare();cout << "==========Coffe============" << endl;Beverage *c = new Coffe();c->Prepare();return 0;}

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