把文件存进access数据库然后取出来供人下载的代码

lt;%
call bgmid()
%>

<%
if Request.ServerVariables("REQUEST_METHOD") = "POST" Then
''---------------------------
''response.write "开始发送<br>"
''---------------------------
Dim Fields
UploadSizeLimit=100000
Set Fields = GetUpload()
dim Field
For Each Field In Fields.Items
if Field.name="title" then title=BinaryToString(Field.value)
if Field.name="content" then content=BinaryToString(Field.value)
if Field.name="sendto" then sendto=BinaryToString(Field.value)
if Field.name="file1" then
filename=field.FileName
fileContentType=field.ContentType
filevalue=field.value
end if
next
''--------------------------------------
''response.write "title=" & title & "<br>"
''response.write "content=" & content & "<br>"
''response.write "sendto=" & sendto & "<br>"
''response.write "filedname=" & filename & "<br>"
''response.write "fileContentType=" & fileContentType & "<br>"
''----------------------------------------
dim mysendto
mysendto=split(sendto,"|",-1,1)
for each sendtoinf in mysendto
userdeptpoint=InStr(sendtoinf,":")
if userdeptpoint>0 then
sendtoinflen=len(sendtoinf)
recipientusername=right(sendtoinf,sendtoinflen-userdeptpoint)
if recipientusername="所有人" then
recipientusername="所有人"
else
usernamepoint=Instr(recipientusername,"(")
usernamelen=len(recipientusername)
recipientusername=left(recipientusername,usernamelen-1)
recipientusername=right(recipientusername,usernamelen-1-usernamepoint)
end if
recipientuserdept=left(sendtoinf,userdeptpoint-1)
set conn=opendb("oabusy","conn","accessdsn")
set rs=server.createobject("ADODB.recordset")
sql = "select * from senddate"
rs.Open sql,conn,1,3
rs.addnew
rs("title")=title
rs("content")=content
rs("sender")=oabusyusername
rs("recipientusername")=recipientusername
rs("recipientuserdept")=recipientuserdept
if filename<>"" then
rs("filename")=filename
rs("fileContentType")=fileContentType
rs("filevalue").appendchunk filevalue
end if
rs.update
rs.close
set rs=nothing
set conn=nothing

end if

next

%>
<br><br>
<center>发送完成</center>
<%
end if
%>
<%
call bgback()
%>
</body>
</html>

*****************************************************************
listsendfile.asp (把数据库里面的文件取出来并下载，如果是文本或图像会直接打开)
<!--#include file="asp/opendb.asp"-->
<%
set conn=opendb("oabusy","conn","accessdsn")
Set rs=Server.CreateObject("ADODB.recordset")
''request("id")是从上一个文件传过来的值，表示这个文件在数据库里的位置
sql="select filevalue,fileContentType from senddate where id=" & trim(request("id"