php实现下载

PHP实现下载文件的两种方法。分享下，有用到的朋友看看哦。

方法一：

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

了解php中header函数的用法。

方法二：

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

转自http://www.jb51.net/article/40485.htm