模仿XP系统下的扫雷游戏项目，已实现的功能有：英雄榜，初级，中级，高级难度的游戏，实现了双击的功能；额外增加了一个闯关的功能.-Minesweeper game project imitate XP system, to achieve the function: Heroes, Beginner, Intermediate, Advanced difficulty of the game, double-click function additional checkpoints.