<!--#include file="mdb.asp"-->
<%
From_url = Cstr(Request.ServerVariables("HTTP_REFERER"))
Serv_url = Cstr(Request.ServerVariables("SERVER_NAME"))
if mid(From_url,8,len(Serv_url)) <> Serv_url then
response.write "非法鏈接！" '防止盜鏈
response.end
end if
Function LoadFile(ByVal File)
    Dim objStream
    On Error Resume Next
    Set objStream = Server.CreateObject("ADODB.Stream")
    If Err.Number=-2147221005 Then 
        Response.Write "<div align='center'>非常遺憾,您的主機(jī)不支持ADODB.Stream,不能使用本程序</div>"
        Err.Clear
        Response.End
    End If
    With objStream
        .Type = 2
        .Mode = 3
        .Open
        .LoadFromFile Server.MapPath(File)
        If Err.Number<>0 Then
    Response.Write "<div align='center'>文件<font color='#ff0000'>"&File&"</font>無(wú)法被打開(kāi)，請(qǐng)檢查是否存在!</font></div>"
    Err.Clear
    Response.End
        End If
        .Charset = "GB2312"
        .Position = 2
        LoadFile = .ReadText
        .Close
    End With
    Set objStream = Nothing
End Function

Sub SaveToFile(ByVal strBody,ByVal File)
    Dim objStream
    On Error Resume Next
    Set objStream = Server.CreateObject("ADODB.Stream")
    If Err.Number=-2147221005 Then 
        Response.Write "<div align='center'>非常遺憾,您的主機(jī)不支持ADODB.Stream,不能使用本程序</div>"
        Err.Clear
        Response.End
    End If
    With objStream
        .Type = 2
        .Open
        .Charset = "GB2312"
        .Position = objStream.Size
        .WriteText = strBody
        .SaveToFile Server.MapPath(File),2
        .Close
    End With
    Set objStream = Nothing
End Sub


function dl(f,n)
on error resume next
Set S=CreateObject("Adodb.Stream") 
S.Mode=3 
S.Type=1 
S.Open 
S.LoadFromFile(f)
if Err.Number>0 then 
  Response.Status="404"
else
  Response.ContentType="application/octet-stream"
  Response.AddHeader "Content-Disposition:","attachment; filename=" & n 
  Range=Mid(Request.ServerVariables("HTTP_RANGE"),7)
  if Range="" then
   Response.BinaryWrite(S.Read)
  else
   S.position=Clng(Split(Range,"-")(0))
   Response.BinaryWrite(S.Read)
  End if
end if
Response.End
end function
if(request.querystring("dj_id") <> "") then
  colname = request.querystring("dj_id")
end if
url="dj_url"+request("url")
sql="select * from [dj] where dj_id="&colname&""
set rs=server.createobject("adodb.recordset")
rs.open sql,conn,1,1
downurl=rs(url)
djname=rs("dj_name")
FileExt = Mid(downurl, InStrRev(downurl, ".") + 1)
F_Ext=UCase(FileExt)
set rs=conn.execute("select dj_id,dj_dcount from dj")
sql="UPDATE dj SET dj_dcount = dj_dcount + 1  WHERE dj_id="&request.querystring("dj_id")
conn.execute (sql)
if lcase(left(downurl,7))="http://" or lcase(left(downurl,6))="ftp://" then
response.redirect downurl
else
call dl(Server.MapPath(""&downurl&""),""&djname&"." & F_Ext & "")
end if
rs.close
set rs=nothing
%>