一个补0的格式函数

Function AFormat(ByVal sStr As String, ByVal sFormat As String) As String
'作者：朱亦文
'日期：2004-7-21
    Dim sF() As String
    Dim sS() As String
    Dim i As Integer, j As Integer, k As Integer
   
    sF = Split(sFormat, "-")
    i = UBound(sF)
    sS = Split(sStr, "-")
    j = UBound(sS)
   
    ReDim Preserve sS(i + 1)
    For k = j + 1 To i
        sS(k) = sF(k)
    Next
   
    For k = 0 To i
        sS(k) = Format(sS(k), sF(k))
    Next
   
    AFormat = Join(sS, "-")
    AFormat = Left(AFormat, Len(AFormat) - 1)
End Function