随机显示字符串的自定义函数，包含数字与英文字符。
<%
function StrRan(byVal maxLen)
Dim strNewPass
Dim whatsNext, upper, lower, intCounter
Randomize

For intCounter = 1 To maxLen
whatsNext = Int((1 - 0 + 1) * Rnd + 0)
If whatsNext = 0 Then
upper = 90
lower = 65
Else
upper = 57
lower = 48
End If
strNewPass = strNewPass & Chr(Int((upper - lower + 1) * Rnd + lower))
Next
StrRan = strNewPass
end function
%>

　　引用：<%response.write StrRan(10)%>