正确的PHP头文件下载PDF文件 [英] correct PHP headers for pdf file download
本文介绍了正确的PHP头文件下载PDF文件的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
到目前为止，锚标记重定向到发送一个页面头文件是：
$ filename ='。/ pdf / jobs / pdffile.pdf;
$ url_download = BASE_URL。 RELATIVE_PATH。 $文件名;
header（Content-type：application / pdf）;
header（Content-Disposition：inline; filename ='$ filename）;
readfile（downloaded.pdf）;
这似乎并不奏效，过去有没有人成功分类过这个问题？
解决方案
w3schools 显示您正在努力达到的目标。
<？php
header（Content-type：application / pdf）;
//它将被称为downloaded.pdf
header（Content-Disposition：attachment; filename ='downloaded.pdf'）;
// PDF源文件位于original.pdf中
readfile（original.pdf）;
？>
< html>
< body>
...
...
还要记住，
请注意，必须在任何
实际值之前调用header（）输出被发送（在PHP 4及更高版本中，您可以使用输出
缓冲来解决此问题）
I'm really struggling to get my application to open a pdf when the user clicks on a link.
So far the anchor tag redirects to a page which sends headers that are:
$filename='./pdf/jobs/pdffile.pdf;
$url_download = BASE_URL . RELATIVE_PATH . $filename;
header("Content-type:application/pdf");
header("Content-Disposition:inline;filename='$filename");
readfile("downloaded.pdf");
this doesn't seem to work, has anybody successfully sorted this problem in the past?
解决方案
Example 2 on w3schools shows what you are trying to achieve.
<?php header("Content-type:application/pdf"); // It will be called downloaded.pdf header("Content-Disposition:attachment;filename='downloaded.pdf'"); // The PDF source is in original.pdf readfile("original.pdf"); ?> <html> <body> ... ...
Also remember that,
It is important to notice that header() must be called before any actual output is sent (In PHP 4 and later, you can use output buffering to solve this problem)
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