分享---PHP下载文件的两种方法

<?php
/*** 下载文件* header函数**/header(&#39;Content-Description: File Transfer&#39;);
header(&#39;Content-Type: application/octet-stream&#39;);
header(&#39;Content-Disposition: attachment; filename=&#39;.basename($filepath));
header(&#39;Content-Transfer-Encoding: binary&#39;);
header(&#39;Expires: 0′);header(&#39;Cache-Control: must-revalidate, post-check=0, pre-check=0′);
header(&#39;Pragma: public&#39;);
header(&#39;Content-Length: &#39; . filesize($filepath));
readfile($file_path);
?>

<?php//文件下载//readfile
$fileinfo = pathinfo($filename);
header(&#39;Content-type: application/x-&#39;.$fileinfo[&#39;extension&#39;]);
header(&#39;Content-Disposition: attachment; filename=&#39;.$fileinfo[&#39;basename&#39;]);
header(&#39;Content-Length: &#39;.filesize($filename));
readfile($thefile);exit();
?>