表：Demo的结构
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id： 自动编号
filename：文本
data: OLE 对象
代码
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<%
Dim Conn,ConnStr,Rs,Sql,MyStream
ConnStr="DBQ=" + Server.Mappath("Demo.mdb") + ";DRIVER={Microsoft Access Driver (*.mdb)};"
Set Conn = Server.CreateObject("Adodb.Connection")
Conn.Open ConnStr
Sql = "select * from demo where id=1"
Set Rs = Server.CreateObject("Adodb.RecordSet")
Rs.Open Sql,Conn,1,3
Set MyStream=Server.CreateObject("Adodb.Stream")
MyStream.Type = 1
MyStream.Open
MyStream.Write Rs("data").GetChunk(rs("data").ActualSize-78)
MyStream.SaveToFile "c:\" & Rs("fileName")
Rs.Close
Set Rs = Nothing
Conn.Close
Set Conn = Nothing
%>
