实现一个三子棋博弈系统，支持图形用户界面和智能博弈，电脑和用户双方对战，轮流放X或O在3*3的棋盘上，能够在水平、垂直或对角线上连成三子者获胜。-Implementation of a chess game three sub-systems to support graphical user interface and smart game, against both computer and user, alternately place X or O in the 3* 3 on the