Bridge Pattern被称之为桥接模式,属于构造型模式。Bridge Pattern基于类的最小设计原则,通过使用封装、聚和以及继承等行为来让不同的类承担不同的责任。它的主要特点是把抽象类与行为实现分离开来,从而可以保持各个部分的独立性以及对应它们的功能扩展 。
Brige.h
#pragma once
#include<iostream>
#include<string>
// 抽象接口
class Engine
{
public:
virtual void InstallEngine() = 0;
private:
protected:
};
// 具体引擎类
class Engine4400CC:public Engine
{
public:
virtual void InstallEngine()
{
std::cout << "Install Engine4400CC" << std::endl;
}
private:
protected:
};
// 具体引擎类
class Engine4500CC :public Engine
{
public:
virtual void InstallEngine()
{
std::cout << "Install Engine4500CC" << std::endl;
}
private:
protected:
};
// 抽象接口
class Car
{
public:
Car(Engine * engine):m_engine(engine){}
virtual~Car() { delete m_engine; }
virtual void InstallEngine() = 0;
private:
protected:
Engine * m_engine;
};
// 具体实现类
class WBM5:public Car
{
public:
WBM5(Engine * engine) :Car(engine) {}
virtual~WBM5() { }
virtual void InstallEngine()
{
m_engine->InstallEngine();
}
private:
protected:
};
// 具体实现类
class WBM6 :public Car
{
public:
WBM6(Engine * engine) :Car(engine) {}
virtual ~WBM6() { }
virtual void InstallEngine()
{
m_engine->InstallEngine();
}
private:
protected:
};
class Brige
{
public:
Brige() {};
~Brige() {};
};
Brige.cpp
#include "Brige.h"
mainTest.cpp
#include<iostream>
#include"Brige.h"
int main(void)
{
Engine* engine = new Engine4400CC;
WBM6* wbm6 = new WBM6(engine);
wbm6->InstallEngine();
delete wbm6;
wbm6= new WBM6(new Engine4500CC);
wbm6->InstallEngine();
delete wbm6;
system("pause");
return 0;
}