Adapter

今天是第一次在Mac book上编程，与在windows上写代码相比，既新鲜又充斥在许多小问题，还好很快掌握了

Adapter：

适配器Adapter是一种结构设计模式，其主要作用是允许不兼容的对象间通过一个转换接口协同工作。

适配器本身扮演的角色是两个对象间的包装器，通过对不兼容的对象进行包装从而生成目标对象的统一接口。

其实现就是适配器从目标对象继承，然后聚合不兼容的对象

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#include <iostream> #include <string>   class Target { public:     virtual ~Target() = default;     virtual std::string Request() const     {         return "Target: The default target's behavior.";     } };   class Adaptee { public:     std::string SpecificRequest() const{         return ".eetpadA eht fo rovivaheb laicepS";     } };   class Adapter : public Target { private:     Adaptee *m_pAdaptee;   public:     Adapter(Adaptee* pAdaptee):m_pAdaptee(pAdaptee){       }     virtual std::string Request() const override{         std::string to_reverse = this->m_pAdaptee->SpecificRequest();         std::reverse(to_reverse.begin(), to_reverse.end());         return "Adapter:(TRANSLATED) " + to_reverse;     } };   void ClientCode(const Target* pTarget){     std::cout << pTarget->Request(); }   int main() {     std::cout << "Client: I can work just like fine with the Target objects:\n";       Target* pTarget =new Target;     ClientCode(pTarget);     std::cout << "\n" << std::endl;      Adaptee* pAdaptee = new Adaptee;    std::cout << "Client: The Adaptee class has a weird interface. See, I don't understand\n";    std::cout << "Adapte: " << pAdaptee->SpecificRequest();    std::cout << "\n\n";    std::cout << "Client: But I can work with it via the Adapter:\n";         Adapter* pAdapter = new Adapter(pAdaptee);    ClientCode(pAdapter);    std::cout << "\n";      delete pTarget;    pTarget = NULL;    delete pAdaptee;    pAdaptee = NULL;    delete pAdapter;    pAdapter = NULL;      return 0; }

　mac book上编译：

g++ -std=c++11 -o adapter adapter.cpp