随机生成密码函数

function makePassword(byVal maxLen)

Dim strNewPass
Dim whatsNext, upper, lower, intCounter
Randomize

For intCounter = 1 To maxLen
whatsNext = Int((1 - 0 + 2) * Rnd + 0)
If whatsNext = 0 Then
‘’character
upper = 90
lower = 65
Else
if whatsNext=1 then
upper=122
lower=97
else
upper = 57
lower = 48
end if
End If
strNewPass = strNewPass & Chr(Int((upper - lower + 1) * Rnd + lower))
Next
makePassword = strNewPass
end function

原文转自：http://www.ltesting.net