blocks|key|300319|text|此函数在模板中不起作用。原因是，保存所有样式表html的变量$styles此时已经生成，所以drupal_add_css在添加该变量时将无法工作。如果要在主题中执行此操作，则可能需要手动添加css文件|type|unstyled|depth|inlineStyleRanges|entityRanges|data|300320|<link+rel="stylesheet"+...+/>|code-block|syntax|javascript|300321|另一种方法是在模块中使用drupal_add_css，但是您可能很难在想要的页面上添加正确的css文件。|300322|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|L|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|M|8|@]|9|@]|A|$]]|$1|I|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|J|$]]

This function wont work in templates. The reason is that the variable $styles which will hold all the stylesheet html will already have been generated at this point, so drupal_add_css wont work as it adds to that. if you want to do this in your theme, you would probably have to add the css file manually 

<pre><code>&lt;link rel="stylesheet" ... /&gt;
</code></pre>

The other way would be to use drupal_add_css in a module, but you might have a hard time adding the correct css files on the pages you want.

blocks|key|69164|text|在示例中选择模板的位置并不是很清楚。如果你从一个模块中选择它，那么你可以只在模块中使用drupal_add_css，而不是模板。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|69165|如果您有自己的主题，您可以使用template_preprocess_page并在其中添加逻辑来添加相关的CSS+(您也可以使用它来选择要使用的模板)。|offset|length|69166|entityMap|0|LINK|mutability|MUTABLE|url|http://api.drupal.org/api/function/template_preprocess_page/6^0|0|F|O|0|0^^$0|@$1|2|3|4|5|6|7|N|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|O|8|@]|9|@$D|P|E|Q|1|R]]|A|$]]|$1|F|3|-4|5|6|7|S|8|@]|9|@]|A|$]]]|G|$H|$5|I|J|K|A|$L|M]]]]

It is not quite clear where you are selecting the template that you have in your example. If you are selecting it from a module then you can just use drupal_add_css in the module rather than the template.

If you have your own theme you can use <a href="http://api.drupal.org/api/function/template_preprocess_page/6" rel="noreferrer">template_preprocess_page</a> and put logic in there to add the relevant CSS (you can also use it to select the template to use).

blocks|key|299957|text|答案是非常多地使用了CSS+Injector模块-很棒的小插件！|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|299958|以下是其项目页面的摘录：|299959|299960|允许管理员根据可配置的规则将CSS注入页面输出。它对于添加简单的CSS调整而不修改网站的官方主题很有用。CSS是使用Drupal的标准drupal_add_css()函数添加的，并尊重页面缓存等。改善视图外观的CSS可以与视图打包在一起)。|blockquote|299961|299962|entityMap|0|LINK|mutability|MUTABLE|url|https://www.drupal.org/project/css_injector^0|A|C|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@]|9|@$A|T|B|U|1|V]]|C|$]]|$1|D|3|E|5|6|7|W|8|@]|9|@]|C|$]]|$1|F|3|-4|5|6|7|X|8|@]|9|@]|C|$]]|$1|G|3|H|5|I|7|Y|8|@]|9|@]|C|$]]|$1|J|3|-4|5|6|7|Z|8|@]|9|@]|C|$]]|$1|K|3|-4|5|6|7|10|8|@]|9|@]|C|$]]]|L|$M|$5|N|O|P|C|$Q|R]]]]

Answer was very much to use the <a href="https://www.drupal.org/project/css_injector" rel="nofollow noreferrer">CSS Injector</a> module - great little addon! 

Here is an excerpt from its project page:

<blockquote>
 Allows administrators to inject CSS into the page output based on configurable rules. It's useful for adding simple CSS tweaks without modifying a site's official theme. The CSS is added using Drupal's standard drupal_add_css() function and respects page caching, etc. The 2.x brach leverages CTools so CSS can be included with Feature changes (ie. CSS that improves the look of a View can be packaged with the View).
</blockquote>

blocks|key|1600134|text|可以在template.php文件中使用drupal_add_css()；this+page提供了一个很好的例子来说明如何做到这一点。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1600135|entityMap|0|LINK|mutability|MUTABLE|url|http://drupal.org/taxonomy/term/6080^0|11|9|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

It's possible to use drupal_add_css() inside your template.php file; <a href="http://drupal.org/taxonomy/term/6080" rel="nofollow noreferrer" title="this page">this page</a> has a good example of how to do just that.

blocks|key|1600151|text|谢谢你的链接，怀马奇。这非常有用。我认为页面中的其余代码是不必要的。您可能只需要这些，因为Drupal6已经自动检查文件是否存在：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1600152|drupal_add_css(path_to_theme()+.+'/css/yourcss.css',+'theme');
//+Add+the+following+to+regenerate+$styles.+
//+This+is+needed+for+template_preprocess_page()+since+css+is+already+generated+at+this+point.
$variables['styles']+=+drupal_get_css();+|code-block|syntax|javascript|1600153|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

Thanks for the link, wyrmmage. That's very useful. I think the rest of the code in the page is unneccessary. You probably just need these since drupal 6 already automatically check for file existence:

<pre><code>drupal_add_css(path_to_theme() . '/css/yourcss.css', 'theme');
// Add the following to regenerate $styles. 
// This is needed for template_preprocess_page() since css is already generated at this point.
$variables['styles'] = drupal_get_css(); 
</code></pre>

blocks|key|69264|text|template.php中的以下代码适用于我：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|69265|function+alagna_preprocess_page(&$vars)+{
++++++++drupal_add_css(path_to_theme()+.+'/header_1.css',+'theme');
++++++++$vars['css']+=+drupal_add_css();
++++++++$vars['styles']+=+drupal_get_css();
}+|code-block|syntax|javascript|69266|解释：|69267|69268|alagna是主题name|ordered-list-item|69269|header_1.css是必需的css文件。|69270|69271|entityMap^0|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|R|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|S|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|T|8|@]|9|@]|A|$]]|$1|I|3|-4|5|6|7|U|8|@]|9|@]|A|$]]|$1|J|3|K|5|L|7|V|8|@]|9|@]|A|$]]|$1|M|3|N|5|L|7|W|8|@]|9|@]|A|$]]|$1|O|3|-4|5|6|7|X|8|@]|9|@]|A|$]]|$1|P|3|-4|5|6|7|Y|8|@]|9|@]|A|$]]]|Q|$]]

This code inside template.php works for me:

<pre><code>function alagna_preprocess_page(&amp;$vars) {
 drupal_add_css(path_to_theme() . '/header_1.css', 'theme');
 $vars['css'] = drupal_add_css();
 $vars['styles'] = drupal_get_css();
} 
</code></pre>

explained:

<ol>
<li>alagna is the theme name</li>
<li>header_1.css is the css file required.</li>
</ol>

blocks|key|300443|text|我注意到一些奇怪的事情，它可能会解决你的问题：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|300444|drupal_add_css(+drupal_get_path('theme','themname')+.+'/working.css','module'+,'all'+,+false+);

drupal_add_css(+drupal_get_path('theme','themname')+.+'/path/to/folder/notworking.css','module'+,'all'+,+false+);|code-block|syntax|javascript|300445|第一行将工作，因为样式它在主文件夹中，第二行将不会工作，因为样式在一个子文件夹中！|300446|编辑：|300447|我认为它没有工作，因为我没有正确地写出路径和样式文件:S，所以请忽略我的回答|300448|drupal_add_css(+drupal_get_path('theme','test')+.+'/pages/subpage/style.css','theme');|300449|是有效的|300450|entityMap^0|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|T|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|U|8|@]|9|@]|A|$]]|$1|I|3|J|5|6|7|V|8|@]|9|@]|A|$]]|$1|K|3|L|5|6|7|W|8|@]|9|@]|A|$]]|$1|M|3|N|5|D|7|X|8|@]|9|@]|A|$E|F]]|$1|O|3|P|5|6|7|Y|8|@]|9|@]|A|$]]|$1|Q|3|-4|5|6|7|Z|8|@]|9|@]|A|$]]]|R|$]]

I have noticed something weird and it might fix your problem:

<pre><code>drupal_add_css( drupal_get_path('theme','themname') . '/working.css','module' ,'all' , false );

drupal_add_css( drupal_get_path('theme','themname') . '/path/to/folder/notworking.css','module' ,'all' , false );
</code></pre>

The first one will work ebcause the style it in the main them folder
The second line will not work because the style is in a sub folder !

Edit: 

i think it did not work because i did not write the path the the style file properly :S so please disregard my answer 

<pre><code>drupal_add_css( drupal_get_path('theme','test') . '/pages/subpage/style.css','theme');
</code></pre>

is working

blocks|key|69353|text|drupal_add_css需要相对于基本路径的路径，而drupal_get_path不返回相对于基本路径的路径。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|69354|global+$base_path;|offset|length|style|CODE|69355|drupal_add_css($base_path+.+drupal_get_path('module+/+theme','name')+.+"/styles/file1.css",+"module+/+theme");|69356|您可以相应地在模块和主题之间进行选择。|69357|entityMap^0|0|0|I|0|0|32|0|0^^$0|@$1|2|3|4|5|6|7|N|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|O|8|@$D|P|E|Q|F|G]]|9|@]|A|$]]|$1|H|3|I|5|6|7|R|8|@$D|S|E|T|F|G]]|9|@]|A|$]]|$1|J|3|K|5|6|7|U|8|@]|9|@]|A|$]]|$1|L|3|-4|5|6|7|V|8|@]|9|@]|A|$]]]|M|$]]

drupal_add_css is expecting a path relative to base path whereas drupal_get_path does not return the path relative to base path.

<code>
global $base_path; 
drupal_add_css($base_path . drupal_get_path('module / theme','name') . "/styles/file1.css", "module / theme");
</code>

You can choose between module and theme accordingly.

blocks|key|1600225|text|尝试此common.inc+drupal_get_css($css+=+NULL)|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1600226|参数|style|BOLD|1600227|$css：(可选)+CSS文件数组。如果未提供数组，则使用默认样式表数组。|1600228|++++$css++++=+++$vars['css'];
//+unset+the+system+css+files
$unset_css+=+array
++++'modules/system/system.css',
++++'modules/system/system-menus.css',
);

foreach($unset_css+as+$css_f)+{
++++if(isset($css['all']['module'][$css_f]))+{
++++++++unset($css['all']['module'][$css_f]);
++++}
}

//+add+css
$css['all']['theme'][drupal_get_path('theme',+'openpublish_theme')+.+'/css/style.css']+=+true;
$vars['styles']+=+drupal_get_css($css);|code-block|syntax|javascript|1600229|entityMap|0|LINK|mutability|MUTABLE|url|http://api.drupal.org/api/drupal/includes!common.inc/function/drupal_get_css/6^0|3|12|0|0|0|2|0|0|I|0|0^^$0|@$1|2|3|4|5|6|7|W|8|@]|9|@$A|X|B|Y|1|Z]]|C|$]]|$1|D|3|E|5|6|7|10|8|@$A|11|B|12|F|G]]|9|@]|C|$]]|$1|H|3|I|5|6|7|13|8|@$A|14|B|15|F|G]]|9|@]|C|$]]|$1|J|3|K|5|L|7|16|8|@]|9|@]|C|$M|N]]|$1|O|3|-4|5|6|7|17|8|@]|9|@]|C|$]]]|P|$Q|$5|R|S|T|C|$U|V]]]]

Try this
<a href="http://api.drupal.org/api/drupal/includes!common.inc/function/drupal_get_css/6" rel="nofollow">common.inc drupal_get_css($css = NULL)</a>

Parameters

$css: (optional) An array of CSS files. If no array is provided, the default stylesheets array is used instead.

<pre><code> $css = $vars['css'];
// unset the system css files
$unset_css = array
 'modules/system/system.css',
 'modules/system/system-menus.css',
);

foreach($unset_css as $css_f) {
 if(isset($css['all']['module'][$css_f])) {
 unset($css['all']['module'][$css_f]);
 }
}

// add css
$css['all']['theme'][drupal_get_path('theme', 'openpublish_theme') . '/css/style.css'] = true;
$vars['styles'] = drupal_get_css($css);
</code></pre>

I need to use <a href="http://api.drupal.org/api/function/drupal_add_css/6" rel="noreferrer">drupal_add_css</a> to call stylesheets onto single Drupal 6 pages. I don't want to edit the main theme stylesheet as there will be a set of individual pages which all need completely new styles - the main sheet would be massive if i put it all in there.

My solution was to edit the page in PHP editor mode and do this:

<pre><code>&lt;?php 
drupal_add_css("/styles/file1.css", "theme");
?&gt;

&lt;div id="newPageContent"&gt;stuff here in html&lt;/div&gt;
</code></pre>

But when I view source, there is nothing there! Not even a broken CSS link or anything, it's just refusing to add the CSS sheet to the CSS package put into the page head.

Variations don't seem to work either:

<pre><code>drupal_add_css($path = '/styles/file1.css', $type = 'module', $media = 'all', $preprocess = TRUE)
</code></pre>

My template header looks like this, I've not changed anything from the default other than adding a custom JavaScript.

<pre><code>&lt;head&gt;
 &lt;?php print $head ?&gt;
 &lt;title&gt;&lt;?php print $head_title ?&gt;&lt;/title&gt;
 &lt;?php print $styles ?&gt;
 &lt;?php print $scripts ?&gt;
 &lt;script type="text/javascript" src="&lt;?php print base_path() ?&gt;misc/askme.js"&gt;&lt;/script&gt; 
 &lt;!--[if lt IE 7]&gt;
 &lt;?php print phptemplate_get_ie_styles(); ?&gt;
 &lt;![endif]--&gt;
&lt;/head&gt;
</code></pre>

Why is this function not working?

drupal_add_css not working

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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我需要使用在单个Drupal6页面上调用样式表。我不想编辑主主题样式表，因为将会有一组单独的页面，它们都需要全新的样式-如果我把所有的样式都放在那里，主表将会很大。我的解决方案是在PHP编辑器模式下编辑页面，并执行以下操作：<?php drupal_add_css("/styles/file1.css", "theme...

问drupal_add_css不工作
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