说明：  程序简单实现走迷宫的功能，代码简单易懂，唯一的遗憾是如果要更换迷宫地图则要自己在代码里面修改，会带来一点不便。附：一份完整的报告。
(Maze procedure realize the function of a simple, easy-to-read code, the only regret is that if we replace the maze map should be modified in the code which will bring some inconvenience. Attachment: a complete report.)