从 Twig 模板中导入 HTML 文件 [英] Import an HTML file from inside a Twig template

问题描述

我想从 Twig 模板中导入一个 HTML 文件.HTML 文件位于 /var/files/5(没有扩展名).我像这样渲染模板:

I want to import an HTML file from inside a Twig template. The HTML file is located at /var/files/5 (with no extension). And I render the template like this:

$path = $_SERVER['DOCUMENT_ROOT'] . '/../var/files/5';
$content = $this->get('templating')->render('ProConvocationBundle:Default:definitive-view.html.twig', array('path' => $path));

在 Twig 模板中，我像这样导入 HTML 文件:

Inside the Twig template I import the HTML file like this:

{% include path %}

但它没有找到路径:无法找到模板/myDocumentRoot/../app/var/files/5"

我也尝试了几个相对路径都没有成功.知道如何实现它吗?

I've also tried several relative paths without success. Any idea of how to achieve it?

推荐答案

导致此异常的原因是什么?

稍微深入挖掘 Twig 代码后，以下似乎导致此异常:

What causes this exception?

After digging in the Twig code a little, the following seems to cause this exception:

Twig 尝试从已知路径/命名空间加载文件，即包名称(如 /var/www/myApplication/src/AcmeBundle/Resources/views)和 app 路径为 myApplication/app/Resources/views).无论如何它不接受绝对路径，因为它总是尝试将已知路径添加到给定文件的开头.

Twig tries to load the file from a known path/namespace, being bundle names (like /var/www/myApplication/src/AcmeBundle/Resources/views) and the app path being myApplication/app/Resources/views). Anyway it doesn't accept absolute paths, since it always tries to add a known path to the beginning of the given file.

<?php
// Twig/Loader/Filesystem.php

class Twig_Loader_Filesystem {

// ...
protected function findTemplate()
{
    // ...
    foreach ($this->paths[$namespace] as $path) {
        if (is_file($path.'/'.$shortname)) {
            return $this->cache[$name] = $path.'/'.$shortname;
        }
    }

    throw new Twig_Error_Loader(sprintf('Unable to find template "%s" (looked into: %s).', $name, implode(', ', $this->paths[$namespace])));
}

所以基本上不可能通过绝对路径包含文件，就像你的例子一样.

So it basically isn't possible to include a file by an absolue path, like in your example.

您有多种可能来实现这种行为:

You've got a bunch of possibilities to achieve this behaviour:

见@Adam Elsodaney 的帖子

See post by @Adam Elsodaney

您可以简单地将文件从 app/var/files 移动到 app/Resources/views/var/files 并使用路径 var/files/5 包含文件.这可能不是一个合适的解决方案，因为您希望保留这些文件.

You could simply move your file from app/var/files to app/Resources/views/var/files and use the path var/files/5 to include the file. This is probably not a suitable solution, since you want to keep those files in place.

您可以编写自己的扩展程序，该扩展程序提供一个名为 include_absolute() 之类的函数，该函数只返回 file_get_contents($yourPath).

You could write your own extension that provides a function named something like include_absolute() that simply returns file_get_contents($yourPath).

关于 Twig 扩展的更多信息:http://symfony.com/doc/current/cookbook/templating/twig_extension.html

More on Twig extensions: http://symfony.com/doc/current/cookbook/templating/twig_extension.html

请注意，您可能需要将 |raw 过滤器添加到 Twig 函数的输出中，因为很多东西都被到处转义了.

Be aware that you would might need to add the |raw filter to the output of the Twig function since a lot of stuff gets escaped everywhere.

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