本程序实现了经典游戏贪食蛇，并且实现了可视化的用户界面和友好的用户交互，是同类的贪食蛇中做的比较好的-Procedures for the implementation of the classic Game贪食蛇, and implementation of Visualized friendly user interface and user interaction,贪食蛇are similar in comparison to do well