php 如何强制PDF下载初学者
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How to force PDF to download beginner
提问by Daniel Ramirez-Escudero
Possible Duplicate:
How to force a pdf download automatically?
可能重复：
如何强制自动下载 pdf？
I've checked other forums, but I do not understand what they say. I've checked this link which people do seem to get the solution:
我检查了其他论坛，但我不明白他们在说什么。我检查了这个链接，人们似乎确实得到了解决方案：
http://css-tricks.com/snippets/htaccess/force-files-to-download-not-open-in-browser/
http://css-tricks.com/snippets/htaccess/force-files-to-download-not-open-in-browser/
I want to do a button which is done for downloading a PDF, the file is too big to see it online. So I want that button to force the browser to download the file. Asking or not asking the user. There will be different PDF name files so I need to make this button downloadable with PDF formats of various PDF files.
我想做一个用于下载PDF的按钮，文件太大而无法在线查看。所以我希望该按钮强制浏览器下载文件。询问或不询问用户。会有不同的 PDF 名称文件，所以我需要让这个按钮可以下载各种 PDF 文件的 PDF 格式。
I've checked different webs and it seems it can be done using htaccess, but I honestly have no clue of how to do this. Can somebody help to show me how I can do this!?!?! Is there a simple way via CSS/html??
我检查了不同的网站，似乎可以使用 htaccess 来完成，但老实说我不知道如何做到这一点。有人可以帮我看看我怎么能做到这一点！？！？！有没有通过 CSS/html 的简单方法？
I've been stuck for a long while for such a small detail.
我已经被困在这么一个小细节上很长时间了。
My code is simply:
我的代码很简单：
<div class="Container for icons">
<a href="hugefile.pdf" alt=""><img href="icon.png" alt=""/>
</div>
Could somebody give me hand on this one?
有人可以帮我解决这个问题吗？
回答by paulsm4
You'll need to modify the HTTP header returned to the client in order to accomplish this:
您需要修改返回给客户端的 HTTP 标头才能完成此操作：
Here's a PHP code example:
这是一个 PHP 代码示例：
$path = "path/to/file.pdf";
$filename = "file.pdf";
header('Content-Transfer-Encoding: binary'); // For Gecko browsers mainly
header('Last-Modified: ' . gmdate('D, d M Y H:i:s', filemtime($path)) . ' GMT');
header('Accept-Ranges: bytes'); // For download resume
header('Content-Length: ' . filesize($path)); // File size
header('Content-Encoding: none');
header('Content-Type: application/pdf'); // Change this mime type if the file is not PDF
header('Content-Disposition: attachment; filename=' . $filename); // Make the browser display the Save As dialog
readfile($path); //this is necessary in order to get it to actually download the file, otherwise it will be 0Kb
回答by Oriol
Instead of AddTypeyou could try ForceType:
而不是AddType你可以尝试ForceType：
<FilesMatch "\.(pdf)$">
ForceType application/octet-stream
Header set Content-Disposition attachment
</FilesMatch>
