dompdf：加载要渲染的html文件，不起作用 [英] dompdf: loading html files to render, doesn't work

问题描述

dompdf无法从我的网站页面生成pdf。但是，我已经保存了页面并将其上传为简单的静态html文件，并且可以正常工作！

dompdf is not able to generate a pdf from a page of my website. However, I've saved the page and uploaded it as simple static html file, and it worked!

因此，我不知道问题是否出在URL上，或其他原因。.这是我得到的错误：

So, I don't know if the issue is with the url, or something else.. this is the error I get:

警告：require_once（/ home / o110334 / public_html / dompdf / include / firephp.cls.php）[function.require-once]：无法打开流：在第194行的/home/o110334/public_html/dompdf/dompdf_config.inc.php中没有这样的文件或目录

Warning: require_once(/home/o110334/public_html/dompdf/include/firephp.cls.php) [function.require-once]: failed to open stream: No such file or directory in /home/o110334/public_html/dompdf/dompdf_config.inc.php on line 194

严重错误：require_once（）[function.require]：无法打开所需的'/home/o110334/public_html/dompdf/include/firephp.cls.php'（include_path ='。：/ usr / lib / php：/ usr / local / lib / php'）在第194行的/home/o110334/public_html/dompdf/dompdf_config.inc.php中

Fatal error: require_once() [function.require]: Failed opening required '/home/o110334/public_html/dompdf/include/firephp.cls.php' (include_path='.:/usr/lib/php:/usr/local/lib/php') in /home/o110334/public_html/dompdf/dompdf_config.inc.php on line 194

这是代码：

$file = "admin/store/orders/45/invoice/print"; // doesn't work
//$file = "invoice_sample2.html"; //it works (same web page, but stored in a html file)

$dompdf = new DOMPDF();
$dompdf->load_html_file($file);
$dompdf->render();
$dompdf->stream("sample.pdf");

推荐答案

DOMPDF在运行时会尝试各种东西/评估本地，最好尝试：

DOMPDF is trying all kinds of stuff/eval's when running local, you're better of trying:

1）通过http：

$dompdf->load_html_file('http://yourdomain.ext/'.$file);

2）不要让DOMPDF eval 但是使用输出缓冲本身，并让DOMPDF加载生成的HTML字符串。

2) Don't let DOMPDF eval but use output buffering itself, and let DOMPDF load the resulting string of HTML.

<?php
    ob_start();
    //be sure this file exists, and works outside of web context etc.)
    require("admin/store/orders/45/invoice/print");
    $dompdf = new DOMPDF();
    $dompdf->load_html(ob_get_clean());
    $dompdf->render();
?>

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