查询方式矩阵或非矩阵按键，包含单击按键，长时按键，连续按键，组合按键，代码虽小，功能强大。本人原创，可以参考。请勿盗用。-Query matrix or matrix keys, including click buttons, long buttons, for keys, key combination, the code is small and powerful. I original, you can reference. Do not steal.