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// AbstractFactory.cpp : Defines the entry point for the console application.
//
#include "stdafx.h"
#include "ostream.h"
//定义抽象类
class CAnimal
{
protected:
int m_Weight; //重量
public:
virtual void Cry() = 0;
};
class CPlant
{
protected:
int m_Height;
public:
virtual void Grow()=0;
};
//定义具体类
class CFish: public CAnimal
{
public:
virtual void Cry()
{
cout <<"I am Fish!\n";
}
};
class CBird : public CAnimal
{
public:
virtual void Cry()
{
cout <<"I am Bird!\n";
}
};
class CFlower: public CPlant
{
public:
virtual void Grow()
{
cout<< "Flower is Growing!\n" ;
}
};
class CTree: public CPlant
{
public:
virtual void Grow()
{
cout << "Tree is Growing!\n";
}
};
//定义工厂抽象类
class CFactory
{
public:
virtual CAnimal* CreateObj() = 0;
virtual CPlant * CreatePlant()=0;
};
//定义工厂具体类
class CFactory1 : public CFactory
{
public:
virtual CAnimal* CreateObj()
{
return new CBird();
}
virtual CPlant * CreatePlant()
{
return new CFlower();
}
};
class CFactory2: public CFactory
{
public:
virtual CAnimal* CreateObj()
{
return new CFish();
}
virtual CPlant * CreatePlant()
{
return new CTree();
}
};
int main(int argc, char* argv[])
{
CAnimal* pAnimal1,* pAnimal2;
CPlant* pPlant1,* pPlant2;
CFactory * pFactory1,* pFactory2;
pFactory1 = new CFactory1();
pFactory2 = new CFactory2();
pAnimal1 = pFactory1->CreateObj();
pPlant1 = pFactory1->CreatePlant();
pAnimal2 = pFactory2->CreateObj();
pPlant2 = pFactory2->CreatePlant();
pAnimal1->Cry();
pAnimal2->Cry();
pPlant1->Grow();
pPlant2->Grow();
delete pAnimal1;
delete pAnimal2;
delete pPlant1;
delete pPlant2;
return 0;
}
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