#03 工厂方法模式
#define _CRT_SECURE_NO_WARNINGS
#include <iostream>
using namespace std;
//抽象水果
class AbstractFruit{
public:
virtual void ShowName() = 0;
};
//苹果
class Apple : public AbstractFruit{
public:
virtual void ShowName(){
cout << "我是苹果!" << endl;
}
};
//香蕉
class Banana : public AbstractFruit{
public:
virtual void ShowName(){
cout << "我是香蕉!" << endl;
}
};
//鸭梨
class Pear : public AbstractFruit{
public:
virtual void ShowName(){
cout << "我是鸭梨!" << endl;
}
};
//抽象工厂
class AbstractFruitFactory{
public:
virtual AbstractFruit* CreateFruit() = 0;
};
//苹果工厂
class AppleFactory : public AbstractFruitFactory{
public:
virtual AbstractFruit* CreateFruit(){
return new Apple;
}
};
//香蕉工厂
class BananaFactory : public AbstractFruitFactory{
public:
virtual AbstractFruit* CreateFruit(){
return new Banana;
}
};
//鸭梨工厂
class PearFactory : public AbstractFruitFactory{
public:
virtual AbstractFruit* CreateFruit(){
return new Pear;
}
};
void test01(){
AbstractFruitFactory* factory = NULL;
AbstractFruit* fruit = NULL;
//创建一个苹果工厂
factory = new AppleFactory;
fruit = factory->CreateFruit();
fruit->ShowName();
delete fruit;
delete factory;
//创建一个香蕉工厂
factory = new BananaFactory;
fruit = factory->CreateFruit();
fruit->ShowName();
delete fruit;
delete factory;
//创建一个鸭梨工厂
factory = new PearFactory;
fruit = factory->CreateFruit();
fruit->ShowName();
delete fruit;
delete factory;
}
int main(void){
test01();
return 0;
}
