asp下實現UrlEncoding轉換編碼的代碼

'==================================================
'函數名：UrlEncoding
'作 用：轉換編碼
'==================================================
Function UrlEncoding(DataStr)
Dim StrReturn,Si,ThisChr,InnerCode,Hight8,Low8
StrReturn = ""
For Si = 1 To Len(DataStr)
ThisChr = Mid(DataStr,Si,1)
If Abs(Asc(ThisChr)) < &HFF Then
StrReturn = StrReturn & ThisChr
Else
InnerCode = Asc(ThisChr)
If InnerCode < 0 Then
InnerCode = InnerCode + &H10000
End If
Hight8 = (InnerCode And &HFF00)\ &HFF
Low8 = InnerCode And &HFF
StrReturn = StrReturn & "%" & Hex(Hight8) & "%" & Hex(Low8)
End If
Next
UrlEncoding = StrReturn
End Function