adapter_1_1.cpp

来自「这是一些c++例程」· C++ 代码 · 共 29 行

namespace DesignPattern_Adapter
{
	//定义类 class Adaptee
	class Adaptee
	{
	public:
		void SpecialRequest() {}
	} ;
	//定义类 class Target
	class Target
	{
	public:
		virtual void Request() = 0 ;
	} ;
	//定义类 class Adapter
	class Adapter : public Target, private Adaptee
	{
	public:
		virtual void Request() { SpecialRequest() ; }
	} ;
}

void main()
{
	using namespace DesignPattern_Adapter ;
	Target *p = new Adapter() ;
	p->Request() ;			//实际上调用的是Adaptee::SpecialRequest()
}