连连看游戏Java源代码 规则 选择两个点，如果两点的图片完全一样，并且两点之间可以用不超过3直线条线连接起来，则该两点可以消除。-Java source code for the game rules Lianliankan select two points, the same as if the two images, and can be used between two points not more than 3 straight lines connected tog