这个是可以搭配独立按键代码看的文档，文档里说明了51单片机按键的使用方法，搭配看能够相得益彰，事半功倍！-The documentation can be used with the Key-led.c in Key-led.rar,my documentation describes the simple use of buttons in 51MCU, with the view of it, you ll be more efficient !