一段自动补位的函数

Function FormatSn(getNum,getBit)
Dim FormatsnNum,Formatsnpre,Formatsnj
FormatsnNum = getBit - len(getNum)
For Formatsnj = 1 To FormatsnNum
Formatsnpre = Formatsnpre & "0"
Next
FormatSn = Formatsnpre & getNum
End Function

使用方法 FormatSn(getNum,getBit)
getNum 计数
getBit 共几位