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c++ 数据封装模式之二：工厂方法模式

2011-06-05 13:56 459 查看

// 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_Weigh

// 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;
}

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c++ 数据封装模式之二： 工厂方法模式

c++ 数据封装模式之二：工厂方法模式