键盘程序,本程序将读到的键值码转换成我们按自己排列的键盘码，此程序较深些，还望慢慢消化 程序按数字键，数码管显示有如手机输入一般，向前移位-Keyboard program, the program will read the key code into our keyboard code, this program is deep, also hope to digest slowly 程序按数字键，数码管显示有如手机输入一般，向前移位 The program accordi