读程序部分贪吃蛇 功能1即可以用上、下、左、右键控制游戏区蛇的运动方向使之向着食物方向运动并吞吃食物使身体增长。-The reading program Snake function that can be used for, down, left and right to control the direction of movement of the snake of the play area so that the body growth direction toward food an