asp base64 utf-8为了兼容asp.net的base64

复制代码 代码如下:

<%@LANGUAGE="VBSCRIPT" CODEPAGE="65001"%>
<%Session.CodePage=65001%>

<%
Function AspUrlDecode(strValue)
Dim varAry, varElement, objStream, lngLoop, Flag
strValue = Replace(strValue, "+", " ")
varAry = Split(strValue, "%")
Flag = varAry(0) = ""
Set objStream = Server.CreateObject("ADODB.Stream")
With objStream
.Type = 2
.Mode = 3
.Open
For Each varElement In varAry
If varElement <> Empty Then
If Len(varElement) >= 2 And Flag Then
.WriteText ChrB(CInt("&H" & Left(varElement, 2)))
For lngLoop = 3 To Len(varElement)
.WriteText ChrB(Asc(Mid(varElement, lngLoop, 1)))
Next
Else
For lngLoop = 1 To Len(varElement)
.WriteText ChrB(Asc(Mid(varElement, lngLoop, 1)))
Next
Flag = True
End If
End If
Next
.WriteText Chr(0)
.Position = 0
AspUrlDecode = Replace(ConvUnicode(.ReadText), Chr(0), "", 1, -1, 0)
On Error Resume Next
.Close
Set objStream = Nothing
End With
End Function



Function ConvUnicode(ByVal strData)
Dim rs, stm, bytAry, intLen
If Len(strData & "") > 0 Then
strData = MidB(strData, 1)
intLen = LenB(strData)
Set rs = Server.CreateObject("ADODB.Recordset")
Set stm = Server.CreateObject("ADODB.Stream")
With rs
.Fields.Append "X", 205, intLen
.Open
.AddNew
rs(0).AppendChunk strData & ChrB(0)
.Update
bytAry = rs(0).GetChunk(intLen)
End With
With stm
.Type = 1
.Open
.Write bytAry
.Position = 0
.Type = 2
.Charset = "utf-8"
ConvUnicode = .ReadText
End With
End If
On Error Resume Next
stm.Close
Set stm = Nothing
rs.Close
Set rs = Nothing
End Function


%>






<%


'base64编码后，比起.net多了77u/
Response.Write("base64编码后："&base64Encode("阿会楠")&"
")

'base64解码后
Response.Write("base64解码后："&base64uncode("6Zi/5Lya5qWg")&"
")

%>