函数主要控制功能都在主函数main中实现。main函数首先清屏，调用attention函数，输出提示信息，说明游戏规则，按Y继续，按N则退出程序。接着初始化图形模式，绘制棋盘和初始棋子的位置，输出按键提示。-Function of the main control functions are in the main function main to achieve. main function of the first Qing Ping, call attention function, the output message that the rules of the game, press Y to continue, according to N has withdrawn from the program. Then initialize graphics mode, rendering the initial chess board and the location, the output button prompts.