获取一个数字的个位、十位、百位的函数代码

Function NumberSplit(num)
Dim i,length
length=Len(num)
For i=1 To length
NumberSplit=NumberSplit & num mod 10 & "," '余数
num = num 10 '整除
Next
NumberSplit=Left(NumberSplit,Len(NumberSplit)-1)
End Function