设计模式-抽象工厂模式

功能结构：



功能代码：
#include<iostream>
using namespace std;

class AbstractPA//抽象产品A
{
public:
virtual void showMeA() = 0;
};

class AbstractPB//抽象产品B
{
public:
virtual void showMeB() = 0;
};

class ConcretePA1:public AbstractPA
{
public:
ConcretePA1()
{
cout<<"New PA1"<<endl;
}
void showMeA()
{
cout<<"Show me A1"<<endl;
}
};

class ConcretePA2:public AbstractPA
{
public:
ConcretePA2()
{
cout<<"New PA2"<<endl;
}
void showMeA()
{
cout<<"Show me A2"<<endl;
}
};

class ConcretePB1:public AbstractPB
{
public:
void showMeB()
{
cout<<"Show me B1"<<endl;
}
};

class ConcretePB2:public AbstractPB
{
public:
void showMeB()
{
cout<<"Show me B2"<<endl;
}
};

class Factory//抽象工厂
{
public:
virtual AbstractPA* concretePA() = 0;
virtual AbstractPB* concretePB() = 0;
};

class ConcreteFactory1:public Factory
{
public:
AbstractPA* concretePA()
{
return new ConcretePA1();
}

AbstractPB* concretePB()
{
return new ConcretePB1();
}
};

class ConcreteFactory2:public Factory
{
public:
AbstractPA* concretePA()
{
return new ConcretePA2();
}

AbstractPB* concretePB()
{
return new ConcretePB2();
}
};

void main()
{
Factory *f = new ConcreteFactory1();
AbstractPA * aPA = f->concretePA();
AbstractPB * aPB = f->concretePB();
aPA->showMeA();
aPB->showMeB();
system("pause");
}