源代码推荐：vb的GUID生成算法

'RETURNS: GUID if successful; blank string otherwise.

'Unlike the GUIDS in the registry, this function returns GUID

'without "-" characters. See comments for how to modify if you

'want the dash.

Public Function GUID() As String

Dim lRetVal As Long

Dim udtGuid As GUID

Dim sPartOne As String

Dim sPartTwo As String

Dim sPartThree As String

Dim sPartFour As String

Dim iDataLen As Integer

Dim iStrLen As Integer

Dim iCtr As Integer

Dim sAns As String

On Error GoTo errorhandler

sAns = ""

lRetVal = CoCreateGuid(udtGuid)

If lRetVal = 0 Then

'First 8 chars

sPartOne = Hex$(udtGuid.PartOne)

iStrLen = Len(sPartOne)

iDataLen = Len(udtGuid.PartOne)

sPartOne = String((iDataLen * 2) - iStrLen, "0") _

& Trim$(sPartOne)

'Next 4 Chars

sPartTwo = Hex$(udtGuid.PartTwo)

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

GUID = sAns

Exit Function

errorhandler:

'return a blank string if there's an error

Exit Function

End Function