使用MFC框架编写界面，C++语言实现.本程序包含人机对战与人和人对战，最后附有详细开发文档，算法实现清楚明了，对于编写五子棋游戏大有帮助-Interface written using MFC fr a mework, C++ language. This program contains one machine and play against and play against, and finally developed with detailed documentation, algor