用ASP读取/写入文件 自定义编码格式

<%
'-------------------------------------------------
'函数名称:ReadTextFile
'作用:利用AdoDb.Stream对象来读取UTF-8格式的文本文件
'----------------------------------------------------
function ReadFromTextFile (FileUrl,CharSet)
dim str
set stm=server.CreateObject("adodb.stream")
stm.Type=2 '以本模式读取
stm.mode=3
stm.charset=CharSet
stm.open
stm.loadfromfile server.MapPath(FileUrl)
str=stm.readtext
stm.Close
set stm=nothing
ReadFromTextFile=str
end function
'-------------------------------------------------
'函数名称:WriteToTextFile
'作用:利用AdoDb.Stream对象来写入UTF-8格式的文本文件
'----------------------------------------------------
Sub WriteToTextFile (FileUrl,byval Str,CharSet)
set stm=server.CreateObject("adodb.stream")
stm.Type=2 '以本模式读取
stm.mode=3
stm.charset=CharSet
stm.open
stm.WriteText str
stm.SaveToFile server.MapPath(FileUrl),2
stm.flush
stm.Close
set stm=nothing
end Sub
%>
WriteToTextFile server.MapPath("zspk/jxsz.html"),request.Form("jxsz"),"UTF-8")

hdxz=ReadTxtFile(server.MapPath("zspk/hdxz.html"),"UTF-8")
jxsz=ReadTxtFile(server.MapPath("zspk/jxsz.html"),"UTF-8")