适合出学者模仿和学习的原代码,可实现自选对手,选择下棋先后顺序,同时可实现选择不同游戏等级.也适合娱乐使用.-Suitable for a scholar and learning to imitate the original code, can be realized on-demand rivals, choose the order in which they play chess at the same time choose a different game to achieve g