$name = "image.jpg";
$dbn = "location/to_file/".$name."";
$fp = fopen($dbn, "rb"); $sdata = fread($fp, filesize($dbn));
fclose($fp);
if (strstr($_SERVER["HTTP_USER_AGENT"],"MSIE 5.5"))
{ $att = ""; }
else
{ $att = " attachment;"; } header('Cache-control: max-age=31536000');
header('Expires: Mon, 26 Jul 1997 05:00:00 GMT');
header('Content-Length: '.filesize($dbn).''); header('Content-Type: application/download; name="'.$name.'"'); header('Content-Disposition:'.$att.' filename="'.$name.'"'); header('Content-Transfer-Encoding: binary');
echo $sdata;
$dbn = "location/to_file/".$name."";
$fp = fopen($dbn, "rb"); $sdata = fread($fp, filesize($dbn));
fclose($fp);
if (strstr($_SERVER["HTTP_USER_AGENT"],"MSIE 5.5"))
{ $att = ""; }
else
{ $att = " attachment;"; } header('Cache-control: max-age=31536000');
header('Expires: Mon, 26 Jul 1997 05:00:00 GMT');
header('Content-Length: '.filesize($dbn).''); header('Content-Type: application/download; name="'.$name.'"'); header('Content-Disposition:'.$att.' filename="'.$name.'"'); header('Content-Transfer-Encoding: binary');
echo $sdata;
下载任何文件(尤其是IE关联打开的)
第一个文件连接处这么写
<a name="download"
href="<%if 是会员 then response.write "download.asp?filename=" & myfilename%>">
下载<%=myfilename%></a>第二个文件:
<%
Dim Stream
Dim Contents
Dim FileName
Dim FileExt
Const adTypeBinary = 1
FileName = Request.QueryString("FileName")
if FileName = "" Then
Response.Write "无效文件名."
Response.End
End if
' 下面是不希望下载的文件
FileExt = Mid(FileName, InStrRev(FileName, ".") + 1)
Select Case UCase(FileExt)
Case "ASP", "ASA", "ASPX", "ASAX", "MDB"
Response.Write "受保护文件,不能下载."
Response.End
End Select
' 下载这个文件
Response.Clear
Response.ContentType = "application/octet-stream"
Response.AddHeader "content-disposition", "attachment; filename=" & FileName
Set Stream = server.CreateObject("ADODB.Stream")
Stream.Type = adTypeBinary
Stream.Open
Stream.LoadFromFile Server.MapPath(FileName)
While Not Stream.EOS
Response.BinaryWrite Stream.Read(1024 * 64)
Wend
Stream.Close
Set Stream = Nothing
Response.Flush
Response.End
%>
文件夹?你给tar一下让别人载吧
服务器上有一张图片,这张图片的一些信息在数据库中.
当有人下载时,我把数据库中此图片信息做txt文档,和图片一起存到一个文件夹中,然后让人去下载整个包.现在可行的做法是,
先生成一个图片信息的文本文件,
然后mkdir一个包,
再把两个文件移到包里,
然后tar一下,
最后再让人下载.可是,这样步骤很多.能不能跳开几步呢,比如这个压缩步骤?