blocks|key|2884826|text|addAttributeToFilter是一种集合方法。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|2884827|您应该在类别集合上执行，而不是在类别实例上执行。|2884828|entityMap^0|0|K|0|0^^$0|@$1|2|3|4|5|6|7|J|8|@$9|K|A|L|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|M|8|@]|D|@]|E|$]]|$1|H|3|-4|5|6|7|N|8|@]|D|@]|E|$]]]|I|$]]

<code>addAttributeToFilter</code> is a method of collections. 
You should execute in on a category collection, not on a category instance.

blocks|key|2884936|text|尝试下面的代码，我希望你会得到你的结果。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2884937|<?php
$objectManagerr+=+\Magento\Framework\App\ObjectManager::getInstance();
$categoryFactory+=+$objectManagerr->create('Magento\Catalog\Model\ResourceModel\Category\CollectionFactory');
$categoryy+=+$categoryFactory->create()
++++++++++++->addAttributeToFilter('url_key','your_category_url_key')
++++++++++++->addAttributeToSelect('*');

foreach+($categoryy+as+$productt){

++++echo+$productt->getName().' ';
++++echo+$productt->getId();
}
?>|code-block|syntax|javascript|2884938|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|$]]

Try this below code, i hope you will get your result.

<pre><code>&lt;?php
$objectManagerr = \Magento\Framework\App\ObjectManager::getInstance();
$categoryFactory = $objectManagerr-&gt;create('Magento\Catalog\Model\ResourceModel\Category\CollectionFactory');
$categoryy = $categoryFactory-&gt;create()
 -&gt;addAttributeToFilter('url_key','your_category_url_key')
 -&gt;addAttributeToSelect('*');

foreach ($categoryy as $productt){

 echo $productt-&gt;getName().'&lt;br&gt;';
 echo $productt-&gt;getId();
}
?&gt;
</code></pre>

blocks|key|121945|text|/**
+*+@var+\Magento\Catalog\Model\CategoryFactory
+******+inject+in+constructor+******
+*/
protected+$categoryFactory;

---------
---------
---------
$categories+=+$this->categoryFactory->create()
++++++++++++->getCollection()
++++++++++++->addAttributeToFilter('url_key','devops')
++++++++++++->addAttributeToSelect(['entity_id']);
echo+"<pre>";
print_r($categories->getFirstItem()->getEntityId());|type|code-block|depth|inlineStyleRanges|entityRanges|data|syntax|javascript|121946|unstyled|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|G|8|@]|9|@]|A|$B|C]]|$1|D|3|-4|5|E|7|H|8|@]|9|@]|A|$]]]|F|$]]

<pre><code>/**
 * @var \Magento\Catalog\Model\CategoryFactory
 ****** inject in constructor ******
 */
protected $categoryFactory;

---------
---------
---------
$categories = $this-&gt;categoryFactory-&gt;create()
 -&gt;getCollection()
 -&gt;addAttributeToFilter('url_key','devops')
 -&gt;addAttributeToSelect(['entity_id']);
echo "&lt;pre&gt;";
print_r($categories-&gt;getFirstItem()-&gt;getEntityId());
</code></pre>

blocks|key|2673476|text|根据您的代码，您错过了通过url_key获取类别的正确方法。现在我们可以使用方法loadByAttribute，，所以你的代码应该是这样的：|type|unstyled|depth|inlineStyleRanges|offset|length|style|BOLD|entityRanges|data|2673477|$objectManager+++=+\Magento\Framework\App\ObjectManager::getInstance();
$categoryFactory+=+$objectManager->create('Magento\Catalog\Model\CategoryFactory');
$category++++++++=+$categoryFactory->create()->loadByAttribute('url_key','my_category_url_key');|code-block|syntax|javascript|2673478|entityMap^0|14|F|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@$9|N|A|O|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|P|8|@]|D|@]|E|$I|J]]|$1|K|3|-4|5|6|7|Q|8|@]|D|@]|E|$]]]|L|$]]

Based on your code, you missed the correct method in order to get a category via url_key.
Right now we can use method loadByAttribute, so you code should be something like this:

<pre><code>$objectManager = \Magento\Framework\App\ObjectManager::getInstance();
$categoryFactory = $objectManager-&gt;create('Magento\Catalog\Model\CategoryFactory');
$category = $categoryFactory-&gt;create()-&gt;loadByAttribute('url_key','my_category_url_key');
</code></pre>

blocks|key|2673492|text|我知道这是个老生常谈的问题，但如果有人想知道的话...|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2673493|这里的所有答案都使用ObjectManager。这是一种糟糕的做法。实现这一点的正确方法如下：|2673494|namespace+Vendor\Module\Model;

use+Magento\Catalog\Model\CategoryFactory;

class+MyClass+{

private+$categoryFactory;

public+function+__construct(
++++CategoryFactory+$categoryFactory
}+{
++++$this->categoryFactory+=+$categoryFactory;
}

public+function+MyFunction()+{
++++$categoryFactory+=+$this->categoryFactory->create();
++++$category+=+$categoryFactory->loadByAttribute('url_key',+'my_category_key');
++++$categoryId+=+$category->getId();+//+E.g.+if+you+want+the+ID.
}|code-block|syntax|javascript|2673495|这将返回URL-key为'my_+category+_key‘的类别的对象。|2673496|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|N|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|O|8|@]|9|@]|A|$G|H]]|$1|I|3|J|5|6|7|P|8|@]|9|@]|A|$]]|$1|K|3|-4|5|6|7|Q|8|@]|9|@]|A|$]]]|L|$]]

I know this is an old question, but in case anybody wonders...

All answers here use the ObjectManager. That's bad practice. The correct way to implement this, is as follows:

<pre><code>namespace Vendor\Module\Model;

use Magento\Catalog\Model\CategoryFactory;

class MyClass {

private $categoryFactory;

public function __construct(
 CategoryFactory $categoryFactory
} {
 $this-&gt;categoryFactory = $categoryFactory;
}

public function MyFunction() {
 $categoryFactory = $this-&gt;categoryFactory-&gt;create();
 $category = $categoryFactory-&gt;loadByAttribute('url_key', 'my_category_key');
 $categoryId = $category-&gt;getId(); // E.g. if you want the ID.
}
</code></pre>

This will return the object of the category with URL-key 'my_category_key'.

I try to get a category in Magento 2.0 by it url_key. 

Now I've got :

<pre><code> $objectManager = \Magento\Framework\App\ObjectManager::getInstance();
 $categoryFactory = $objectManager-&gt;create('Magento\Catalog\Model\CategoryFactory');
 $category = $categoryFactory-&gt;create()
 -&gt;addAttributeToFilter('url_key','my_category_url_key');
</code></pre>

It returns me this error :

<blockquote>
 Error filtering template: Invalid method
 Magento\Catalog\Model\Category\Interceptor::addAttributeToFilter(Array
 ( [0] => url_key [1] => my_category_url_key ) )
</blockquote>

Thanks.

Magento 2 How to get category by url_key

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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我尝试通过it url_key在Magento2.0中获得一个类别。现在我得到了：        $objectManager = \Magento\Framework\App\ObjectManager::getInstance();        $categoryFactory = $objectManager-...

问Magento 2如何通过url_key获取类别
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