c++设计模式之适配器模式

#include <iostream>
using namespace std;

class Target
{
public:
Target(){}
virtual ~Target(){}
virtual void Request()
{
cout << "Target::Requset()" << endl;
}
};

class Adaptee
{
public:
Adaptee(){}
~Adaptee(){}
void SpecificRequest()
{
cout << "Adaptee::SpecificRequest()" << endl;
}
};

class Adapter :public Target, private Adaptee
{
public:
Adapter(){}
~Adapter(){}
virtual void Request()
{
cout << "Adapter::Request()" << endl;
this->SpecificRequest();
cout << "------------" << endl;
}
};

class Adapter1 :public Target
{
public:
Adapter1(Adaptee* adaptee)
{
this->_adaptee = _adaptee;
}
Adapter1() :_adaptee(new Adaptee)
{
this->_adaptee = _adaptee;
}

~Adapter1(){}
virtual void Request()
{
cout << "Adapter1::Request()" << endl;
this->_adaptee->SpecificRequest();
cout << "------------" << endl;
}
private:
Adaptee* _adaptee;
};

int main()
{
Target *pTarget = new Adapter();
pTarget->Request();

Adaptee* ade = new Adaptee();

Target* pTarget1 = new Adapter1(ade);

pTarget1->Request();

Target* pTarget2 = new Adapter1();

pTarget2->Request();

cin.get();
}