这是个五子棋人机对战部分的代码，有完整的界面初始化部分，用搜索算法实现了电脑对最优位置的选取，实现电脑下棋的功能。-This is a 331 man-machine players part of the code, a complete initialization interface, search algorithm using a computer to select the optimal location to achieve the function of the compute