php下载文件的代码示例,需要的朋友可以参考下
<?php
$file = 'monkey.gif'; if (file_exists($file)) {
header('Content-Description: File Transfer');
header('Content-Type: application/octet-stream');
header('Content-Disposition: attachment; filename='.basename($file));
header('Content-Transfer-Encoding: binary');
header('Expires: 0');
header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
header('Pragma: public');
header('Content-Length: ' . filesize($file));
ob_clean();
flush();
readfile($file);
exit;
}
?>
以上代码是下载代码。
在线预览pdf文件的代码：
<?php
/**
* 在线预览pdf文件
* edit by www.jbxue.com
*
*/
public function fddAction()
{
// get attachment location
$attachment_location = $_SERVER["DOCUMENT_ROOT"] . "/pdf/fdd/sample.pdf"; if (file_exists($attachment_location)) {
// attachment exists // send open pdf dialog to user
header('Cache-Control: public'); // needed for i.e.
header('Content-Type: application/pdf');
header('Content-Disposition: inline; filename="sample.pdf"');
readfile($attachment_location);
die(); // stop execution of further script because we are only outputting the pdf } else {
die('Error: File not found.');
}
}
?>
参考链接：
http://www.cnblogs.com/yilee/archive/2011/08/16/2140032.html