php 文件下载问题
<!-- Code highlighting produced by Actipro CodeHighlighter (freeware) http://www.CodeHighlighter.com/ --> function download_file($filename){ //below to provide the download if (file_exists($filename)) { $file = fopen($filename); header('Content-Description: File Transfer'); header('Content-Type: application/octet-stream'); header('Content-Disposition: attachment; filename=' . basename($filename)); header('Content-Transfer-Encoding: binary'); header('Expires: 0'); header('Cache-Control: must-revalidate'); header('Pragma: public'); header('Content-Length: ' . filesize($filename) . ' bytes'); //ob_clean(); //flush(); readfile($filename); fclose($file); exit; } $this->_redirect('xxxxxxx');
[User:root Time:23:25:51 Path:/home/apache/web]$ cat index.html <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <script type="text/javascript"> var is_click = false; </script> <a href="index.php" onclick="is_click = true;" onmouseout="if (is_click) location.href='main.php';">aaa</a> <br><font color="#e78608">------解决方案--------------------</font><br>不可以,一个HTTP会话只能传递一种类型的数据<br>况且下载对用户而言是异步的 <br><font color="#e78608">------解决方案--------------------</font><br>打开而不是保存,这是因为文件类型浏览器能够识别,比如chrome会显示pdf文件,而不是保存。<br>你需要额外添加一个Header响应头:<br>Content-Disposition: attachment; filename="$文件名"<br><br>至于如何添加,你可以让PHP来读取输出这个生成的文件,并用header函数即可。<br>或者web服务器也可以配置对文件强制下载,不过我不知道怎么设置 <div class="clear"> </div>