桥接模式（Bridge）

#include <iostream>
using namespace std;
//
//class Computer {
//public:
//    void run();
//};
//
//class HpWindows7 :public Computer {
//
//};
//class HpWindow8 :public Computer {
//
//};
//
//class HpWindowsX :public Computer {
//
//};

class IOS {
public:
    IOS(){}
    virtual ~IOS()
    {

    }
    virtual void run() = 0;
};

class CWindows :public IOS {
public:
    virtual void run() {
        cout << "Windows 正在运行" << endl;
    }
};

class CLinux :public IOS {
public:
    virtual void run() {
        cout << "Linux 正在运行" << endl;
    }
};

class IComputer {
public:
    virtual void Install(IOS *pOS) = 0;
};

class CLenvo :public IComputer {
public:
    virtual void Install(IOS *pOS) {
        cout << "Lenvo正在安装操作系统" << endl;
        pOS->run();
    }
};

class CDell :public IComputer {
public:
    virtual void Install(IOS *pOS) {
        cout << "Dell正在安装操作系统" << endl;
        pOS->run();
    }
};

class CAcer:public IComputer
{
public:
public:
    virtual void Install(IOS *pOS) {
        cout << "Acer正在安装操作系统" << endl;
        pOS->run();
    }

private:

};





int main(void) {
    IOS* pWindows = new CWindows;
    IOS* pLinux = new CLinux;

    IComputer* pLenvo = new CLenvo;
    pLenvo->Install(pWindows);
    system("pause");
    return 0;
}