layer2.cpp

软件体系结构中的层模式实现

// layer2.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include"DataLink.h"
#include"Transport.h"
#include"Session.h"


void main()
{DataLink dataLink;
 Transport transport;
 Session session;
 transport.setLowerLayer(&dataLink);
 session.setLowerLayer(&transport);

 session.L3Service();

}