请问下载这种url 的文件如何做？？

xzxnovice

url是这样的:http://abc.com/QuickDowning.asp?ID=32733

文件名要在这里获得
HTTP/1.1 200 OK
Date: Mon, 20 May 2013 04:04:34 GMT
Server: Microsoft-IIS/6.0
X-Powered-By: ASP.NET
content-disposition: attachment; filename =filename.SN
Content-Length: 152
Content-Type: application/octet-stream
Set-Cookie: ASPSESSIONIDCACBDTDT=IFAEOBMANNKEIGPCMFOIPPLK; path=/
Cache-control: private