php 下载与存储名称不同的文件
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Downloading a file with a different name to the stored name
提问by Utku Dalmaz
Is it possible to let your user download a file with a different name?
是否可以让您的用户下载具有不同名称的文件？
For example, there is a file called "4324ffsd34.jpg". I want people to download it via download.php, with a different name (like "filetodownload.jpg"), without renaming the original file.
例如，有一个名为“4324ffsd34.jpg”的文件。我希望人们通过 download.php 下载它，使用不同的名称（如“filetodownload.jpg”），而不重命名原始文件。
回答by David Snabel-Caunt
Sure, use a Content-disposition header
当然，使用 Content-disposition标头
header('Content-Disposition: attachment; filename="filetodownload.jpg"');
if you wish to provide a default filename, but not automatic download, this seems to work.
如果您希望提供默认文件名，而不是自动下载，这似乎可行。
header('Content-Disposition: filename="filetodownload.jpg"');
回答by Frankie
Sure you can, just try something like this:
当然可以，只需尝试以下操作：
$original_filename = '4324ffsd34.jpg';
$new_filename = 'my_new_filename_is_detailled.jpg';
// headers to send your file
header("Content-Type: application/jpeg");
header("Content-Length: " . filesize($original_filename));
header('Content-Disposition: attachment; filename="' . $new_filename . '"');
// upload the file to the user and quit
readfile($original_filename);
exit;
Hope it helps!
希望能帮助到你！
回答by The Bumpaster
There is also another way if you are using html5
如果您使用的是 html5，还有另一种方法
<a href="link/to/my/file/with/a/name/i/dont/like.jpg" download="MyFile.jpg">Download</a>
Cheers :3
干杯：3
回答by Gayan Dasanayake
<a href="4324ffsd34.jpg" download="filetodownload">Download</a>
回答by user2685840
Nothing wrong with the above but I had to add:
以上没有错，但我不得不补充：
ob_clean();
flush();
before readfile
在读取文件之前
otherwise I can not open the download jpg/png file
否则我无法打开下载的 jpg/png 文件
