PHP创建文件下载，无需保存在服务器上 [英] PHP create file for download without saving on server
问题描述
最终目标::我想创建一个网页，用户可以在其中输入表单信息.有了这些信息，我想通过将给定的信息插入模板中，然后强制进行下载，来创建一个html文件(以下称为test-download.html).由于我想在即将到来的研讨会上进行演示，人们将在同一时间使用该研讨会，因此我不想将文件保存在服务器上，而只是强制下载.
Ultimate goal: I want to create a webpage where a user can enter information in forms. With that information I want to create a html file (below called test-download.html) by inserting the information given into a template and then force a download. Since I want to demonstrate this at an upcoming workshop where people will be using this at the "same time" I would like to not save the file on the server and just force the download.
到目前为止:我在html文件(test.html)中有此文件:
So far: I have this in my html file (test.html):
<form action="test.php" method="post">
To file: <input type="text" name="tofile" />
<input type="submit" />
</form>
这在我的test.php中:
and this in my test.php:
<?php
$filename = 'test-download.html';
$htmlcode1 = "<HTML> \n <BODY>";
$htmlcode2 = "</BODY> \n <HTML>";
$somecontent = $htmlcode1.$_POST["tofile"].$htmlcode2;
!$handle = fopen($filename, 'w');
fwrite($handle, $somecontent);
fclose($handle);
header("Cache-Control: public");
header("Content-Description: File Transfer");
header("Content-Length: ". filesize("$filename").";");
header("Content-Disposition: attachment; filename=$filename");
header("Content-Type: application/octet-stream; ");
header("Content-Transfer-Encoding: binary");
readfile($filename);
?>
这将覆盖文件test-download.html并强制下载.
This overwrites the file test-download.html file and forces a download.
问题:如何在不弄乱服务器上的文件(test-download.html)的情况下做到这一点?
Question: How can I do this without messing with a file (the test-download.html) on the server?
推荐答案
发送标头后，只需echo，而不是将其保存到文件中即可.
Instead of saving it to a file, just echo it after you send the headers.
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