【VC开源代码栏目提醒】:文章导读:在新的一年中,各位网友都进入紧张的学习或是工作阶段。网学会员整理了VC开源代码-FactoryMethod.cpp的相关内容供大家参考,祝大家在新的一年里工作和学习顺利!
// FactoryMethod.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;
};
//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";
}
};
//定义工厂抽象类
class CFactory
{
public:
virtual CAnimal* CreateObj() = 0;
};
//定义工厂具体类
class CFactory1 : public CFactory
{
public:
virtual CAnimal* CreateObj()
{
return new CBird();
}
};
class CFactory2: public CFactory
{
public:
virtual CAnimal* CreateObj()
{
return new CFish();
}
};
int main(int argc, char* argv[])
{
CAnimal* pAnimal1,*pAnimal2;
CFactory * pFactory1,*pFactory2;
pFactory1 = new CFactory1();
pAnimal1 = pFactory1->CreateObj();
pAnimal1->Cry();
pFactory2 = new CFactory2();
pAnimal2 = pFactory2->CreateObj();
pAnimal2->Cry();
delete pAnimal1;
delete pAnimal2;
delete pFactory1;
delete pFactory2;
return 0;
}