刚开始学单片机,用TM1638键盘显示,不够完美,想像计算器那按一个键增加一位,还没有掌握,请有能力帮忙改一下,万分感谢!-Just beginning to learn microcontroller, TM1638 keyboard, not perfect, imagine calculator that increase in a key one, have not yet mastered, the ability to help change are extremely gratef