C++设计模式浅识外观模式

[code]int main(){
    Fund fund;//基金对象(Facade)
    fund.fundBuy();//stock1 buy stock2 buy stock3 buy
    fund.fundSell(); //stock1 sell stcok2 sell stock3 sell

    return 0;
}

[code]//子系统不知道Facade的任何信息
//股票1号
class Stock1{
public:
    void sell(){
        std::cout << "stock1 sell\n";
    }
    void buy(){
        std::cout << "stock1 buy\n";
    }
};
//股票2号
class Stock2{
public:
    void sell(){
        std::cout << "stcok2 sell\n";
    }
    void buy(){
        std::cout << "stock2 buy\n";
    }
};
//股票3号
class Stock3{
public:
    void sell(){
        std::cout << "stock3 sell\n";
    }
    void buy(){
        std::cout << "stock3 buy\n";
    }
};

//基金类是Facade
class Fund{
public:
    Stock1 stock1;
    Stock2 stock2;
    Stock3 stock3;
    void fundSell(){
        stock1.sell();
        stock2.sell();
        stock3.sell();
    }
    void fundBuy(){
        stock1.buy();
        stock2.buy();
        stock3.buy();
    }
};