在网上找了很久，终于找到一个可以用的！
<%
Function base64Encode(sString)
If sString = or IsNull(sString) Then
base64Encode =
Exit Function
End If
Dim xml_dom, Node
Set xml_dom = CreateObject(Microsoft.XMLDOM)
With xml_dom
.loadXML (<?xml version='1.0' ?> <root/>)
Set Node = xml_dom.createElement(MyText)
With Node
.dataType = bin.base64
.nodeTypedValue = Gb2312_Stream(sString)
base64Encode = .Text
End With
xml_dom.documentElement.appendChild Node
End With
Set xml_dom = Nothing
End Function
Function base64uncode(sString)
If sString = or IsNull(sString) Then
base64uncode =
Exit Function
End If
Dim xml_dom, Node
Set xml_dom = CreateObject(Microsoft.XMLDOM)
With xml_dom
.loadXML (<?xml version='1.0' ?> <root/>)
Set Node = xml_dom.createElement(MyText)
With Node
.dataType = bin.base64
.Text = sString
base64uncode = Stream_GB2312(.nodeTypedValue)
End With
xml_dom.documentElement.appendChild Node
End With
Set xml_dom = Nothing
End Function
Function Gb2312_Stream(sString)
Dim dr
Set dr = CreateObject(ADODB.Stream)
With dr
.Mode = 3
.Type = 2
.open
.Charset = gb2312
.WriteText sString
.position = 0
.Type = 1
Gb2312_Stream = .Read
.Close
End With
Set dr = Nothing www.vevb.com
End Function
Function Stream_GB2312(sStream)
Dim dr
Set dr = CreateObject(ADODB.Stream)
With dr
.Mode = 3
.Type = 1
.open
.Write sStream
.position = 0
.Type = 2
.Charset = gb2312
Stream_GB2312 = .ReadText
.Close
End With
Set dr = Nothing
End Function
%>