如何在外部網頁redirect到內部網頁後，下載doc文件

在外網的/distributor/import_doc_download.php

header('Content-type: application/octet-stream');
header('Content-Disposition: attachment; filename="' . $docno);
ob_clean();
flush();
readfile('http://10.1.100.101/cgi-bin/fglccgi/topprod/topcust/help/0/aim/download_doc/' . $docno);