设计模式-Adapter（结构型模式）针对第三方库 函数 接口不匹配的问题，分为类模式 与 对象模式 两种

以下代码来源： 设计模式精解－GoF 23种设计模式解析附C++实现源码

//****************************类模式的Adaptr********************************

//Adapter.h

#pragma once
class Target
{
public:
    Target();
    virtual ~Target();
    virtual void Request();
protected:
private:
};

class Adaptee
{
public:
    Adaptee();
    virtual ~Adaptee();
    void SpecificRequest();
protected:
private:
};

class Adapter :public Target, private Adaptee
{
public:
    Adapter();
    ~Adapter();
    void Request();
protected:
private:
};

//Adapter.cpp

#include"Adapter.h"
#include<iostream>

Target::Target(){}
Target::~Target(){}
void Target::Request()
{
    std::cout << "Target Request!!" << std::endl;
}

Adapter::Adapter(){}
Adapter::~Adapter(){}
void Adapter::Request()
{
    this->SpecificRequest();
}

Adaptee::Adaptee(){}
Adaptee::~Adaptee(){}
void Adaptee::SpecificRequest()
{
    std::cout << "Specific Request!!" << std::endl;
}

//main.cpp

#include"Adapter.h"
#include<iostream>
#include<string>
int main(int args, char* argv)
{
    Target* adt = new Adapter();
    adt->Request();
    getchar();
    return 0;
}

//****************************对象模式的Adaptr********************************

//Adapter.h

#pragma once

class Target
{
public:
    Target();
    virtual ~Target();
    virtual void Request();
protected:
private:
};

class Adaptee
{
public:
    Adaptee();
    virtual ~Adaptee();
    void SpecificRequest();
protected:
private:
};

class Adapter :public Target
{
public:
    Adapter(Adaptee* adt);
    virtual ~Adapter();
    virtual void Request();
protected:
private:
    Adaptee* _ade;
};

//Adapter.cpp

#include"Adapter.h"
#include<iostream>

Target::Target(){}
Target::~Target(){}
void Target::Request()
{
    std::cout << "Target Request!!" << std::endl;
}

Adaptee::Adaptee(){}
Adaptee::~Adaptee(){}
void Adaptee::SpecificRequest()
{
    std::cout << "Specific Request!!" << std::endl;
}

Adapter::Adapter(Adaptee* ade)
{
    this->_ade = ade;
}
Adapter::~Adapter(){}
void Adapter::Request()
{
    _ade->SpecificRequest();
}

//main.cpp

#include"Adapter.h"
#include<iostream>
#include<string>

int main(int args, char* argv)
{
    Adaptee* ade = new Adaptee;
    Target* adt = new Adapter(ade);
    adt->Request();
    getchar();
    return 0;
}