test_if.prg

刚才那个的补充

*****程序功能：显示所按键
CLEAR 
WAIT WINDOWS "请按键" TO cKey	
IF BETWEEN(cKey,"0","9")
	? "按的键为数字键"+cKey
ELSE
	IF BETWEEN(cKey,"a","z") or BETWEEN(cKey,"A","B")
 		? "按的键是字母键"+cKey
 	ELSE
 		? "按的键即不是数字键，也不是字母键！"
	ENDIF
ENDIF