源代码推荐：vb的GUID生成算法

源代码推荐：vb的GUID生成算法(2)         iStrLen = Len(sPartTwo)
        iDataLen = Len(udtGuid.PartTwo)
        sPartTwo = String((iDataLen * 2) - iStrLen, "0") _
        & Trim$(sPartTwo)
           
        'Next 4 Chars
        sPartThree = Hex$(udtGuid.PartThree)
        iStrLen = Len(sPartThree)
        iDataLen = Len(udtGuid.PartThree)
        sPartThree = String((iDataLen * 2) - iStrLen, "0") _
        & Trim$(sPartThree)   'Next 2 bytes (4 hex digits)
           
        'Final 16 chars
        For iCtr = 0 To 7
            sPartFour = sPartFour & _
            Format$(Hex$(udtGuid.PartFour(iCtr)), "00")
        Next

     'To create GUID with "-", change line below to:
     'sAns = sPartOne & "-" & sPartTwo & "-" & sPartThree _
     '& "-" & sPartFour
       
       sAns = sPartOne & sPartTwo & sPartThree & sPartFour
            
        End If