设计模式15——外观模式

外观模式中提供一个统一的接口，然后对外观操作，内部成员可以不相同。

#ifndef Facade_H_H
#define Facade_H_H

class A{
public:
    void showA(){
        cout << "This is class A" << endl;
    }
};

class B{
public:
    void showB(){
        cout << "This is class B" << endl;
    }
};

class C{
public:
    void showC(){
        cout << "This is class C" << endl;
    }
};

class Facade{
public:
    Facade(){
        pA = new A();
        pB = new B();
        pC = new C();
    }

    void show(){
        pA->showA();
        pB->showB();
        pC->showC();
    }

    ~Facade(){
        delete pA;
        delete pB;
        delete pC;
    }

private:
    A *pA;
    B *pB;
    C *pC;
};


void FacadeTest(){
    Facade *facade = new Facade();
    facade->show();

    delete facade;
}

#endif