作者：未知 来源：月光软件站 加入时间：2005-2-28　月光软件站

<%
driver_name1="DRIVER={Microsoft Access Driver (*.mdb)}; DBQ=D:\数据库\TREE.MDB"    '根目录下数据库打开语句

  dim search,rs,j
  search="select * from Files where ID=" & request.querystring("ID")
  set my_conn=server.CreateObject ("adodb.connection")
  my_conn.open driver_name1
  set rs=Server.CreateObject("ADODB.Recordset")
  rs.Open search,my_conn,1,3
  if rs.bof or rs.eof then
    response.write "错误：找不到该文件"
    response.end
  end if

'设置文件的大小及MIME类型
Function SetForDisplay(field, contentType)
contentType = LCase(trim(contentType))
nFieldSize = field.ActualSize
bytes = field.GetChunk(nFieldSize)
Session("Bytes") = bytes
Session("Type") = contentType
End Function

   SetForDisplay RS("File"),rs("FileType")
   'Response.AddHeader "Content-Disposition", "attachment; filename=" & rs("FileName")
   response.contentType = Session("Type")
   response.BinaryWrite Session("Bytes")
   Session("Type") = ""
   Session("Bytes") = ""

  set rs=nothing
  my_conn.close
  set my_conn=nothing
%>

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