桥接模式之C++实现

浏览数：20 / 时间：2015年06月08日

#include "stdafx.h"
#include <string>
#include <iostream>
using namespace std;

class Software
{
public:
    virtual void Run() = 0;
};

class SoftwareA : public Software
{
public:
    void Run()
    {
        cout << "运行SoftwareA" << endl;
    }
};

class SoftwareB : public Software
{
public:
    void Run()
    {
        cout << "运行SoftwareB" << endl;
    }
};

class PlatForm
{
public:
    virtual void SetSoftware(Software *) = 0;
    virtual void Run() = 0;
};

class Computer : public PlatForm
{
private:
    Software *pSoftware;
public:
    void SetSoftware(Software *soft)
    {
        pSoftware = soft;
    }

    void Run()
    {
        cout << "在电脑上";
        pSoftware->Run();
    }
};

class Phone : public PlatForm
{
private:
    Software *pSoftware;
public:
    void SetSoftware(Software *soft)
    {
        pSoftware = soft;
    }

    void Run()
    {
        cout << "在手机上";
        pSoftware->Run();
    }
};

int main()
{
    Software *pSoftwareA = new SoftwareA;
    Software *pSoftwareB = new SoftwareB;
    Phone    *pPhone     = new Phone;
    PlatForm *pComputer  = new Computer;

    pComputer->SetSoftware(pSoftwareA);
    pComputer->Run();
    pComputer->SetSoftware(pSoftwareB);
    pComputer->Run();

    pPhone->SetSoftware(pSoftwareA);
    pPhone->Run();
    pPhone->SetSoftware(pSoftwareB);
    pPhone->Run();

    free(pComputer);
    free(pPhone);
    free(pSoftwareB);
    free(pSoftwareA);
    return 0;
}

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桥接模式之C++实现