php 导入注释时出现问题

Trouble with importing annotations

提问by Steven Mercatante

I'm working on a CodeIgniter project in which I'm using Doctrine2 and the Symfony2 Validator component.

我正在处理一个 CodeIgniter 项目，在该项目中我使用了 Doctrine2 和 Symfony2 Validator 组件。

All my Doctrine2 entities use Doctrine\ORM\Mappingand the entity manager recognizes them. My entity annotation looks like this:

我所有的 Doctrine2 实体use Doctrine\ORM\Mapping和实体管理器都能识别它们。我的实体注释如下所示：

/**
 * @Entity(repositoryClass = "UserRepository")
 * @Table(name = "user")
 * @HasLifecycleCallbacks()
 */

At this point, I'm able to persist entities without any trouble. The first problem arises when I try to use the Symfony2 Validator component. When I try to validate a Userobject, I get this error:

在这一点上，我能够毫无困难地持久化实体。当我尝试使用 Symfony2 Validator 组件时，出现了第一个问题。当我尝试验证User对象时，出现此错误：

[Semantical Error] The annotation "@Entity" in class Entity\User was never imported. Did you maybe forget to add a "use" statement for this annotation?

[语义错误] 从未导入类 Entity\User 中的注释“@Entity”。您是否忘记为此注释添加“use”语句？

The only "fix" to this issue is through use Doctrine\Mapping\Entity, but I have to do that for everyannotation being used by my entity (Table, Column, ManyToOne, etc.). I'm trying to figure out why I need to explicitely useeach annotation class instead of them being automatically recognized (shouldn't use Doctrine\ORM\Mappinggrant me access to all the classes within that namespace?).

此问题的唯一“修复”是通过use Doctrine\Mapping\Entity，但我必须为我的实体（表、列、ManyToOne 等）使用的每个注释都这样做。我试图弄清楚为什么我需要明确地显示use每个注释类而不是自动识别它们（不应该use Doctrine\ORM\Mapping授予我对该命名空间内所有类的访问权限？）。

So, I then tried use Doctrine\ORM\Mapping as ORMand prefacing all my annotations with ORM\. Ex: @ORM\Entity(). The Symfony2 validator stops complaining, but now Doctrine2 complains that Class Entity\User is not a valid entity or mapped super class.I have no idea why this method works for the Validator, but not Doctrine2. If I run the console command doctrine:orm:info, my Userentity is not recognized.

因此，我随后尝试use Doctrine\ORM\Mapping as ORM使用ORM\. 例如：@ORM\Entity()。Symfony2 验证器停止抱怨，但现在 Doctrine2 抱怨Class Entity\User is not a valid entity or mapped super class.我不知道为什么这种方法适用于验证器，而不适用于 Doctrine2。如果我运行控制台命令doctrine:orm:info，User则无法识别我的实体。

Because this is a CodeIgniter app, I'm autoloading the Symfony2 and Doctrine2 libraries. My autoload code is as follows:

因为这是一个 CodeIgniter 应用程序，所以我正在自动加载 Symfony2 和 Doctrine2 库。我的自动加载代码如下：

# Symfony2 ClassLoader component
require_once __DIR__ . '/application/libraries/symfony/src/Symfony/Component/ClassLoader/UniversalClassLoader.php';
$loader = new \Symfony\Component\ClassLoader\UniversalClassLoader();
$loader->register();
$loader->registerNamespace('Symfony', __DIR__ . '/application/libraries/symfony/src');
$loader->registerNamespace('Doctrine', __DIR__ . '/application/libraries/doctrine/lib');

# Doctrine2 
require_once __DIR__ . '/application/libraries/doctrine/lib/Doctrine/Common/Annotations/AnnotationRegistry.php';
use Doctrine\Common\Annotations\AnnotationRegistry;
AnnotationRegistry::registerLoader(function($class) use ($loader) {
    $loader->loadClass($class);
    $classExists = class_exists($class, false);
    return $classExists;
});
AnnotationRegistry::registerFile(__DIR__ . '/application/libraries/doctrine/lib/Doctrine/ORM/Mapping/Driver/DoctrineAnnotations.php');

I don't care if I have to preface everything with ORM\or not, I just want to find a solution that the Symfony2 Validator and Doctrine2 will both work with. Any ideas?

我不在乎是否必须为所有内容做序ORM\，我只想找到一个 Symfony2 Validator 和 Doctrine2 都可以使用的解决方案。有任何想法吗？

回答by user1825294

I had a similar issue when using Silex, Doctrine2 and the Symfony-Validator.

我在使用 Silex、Doctrine2 和 Symfony-Validator 时遇到了类似的问题。

The solution was to avoid using the SimpleAnnotationsReader and instead using the normal AnnotationReader (have a look at Doctrine\ORM\Configuration::newDefaultAnnotationDriver). You can then preface every entity with ORM\(and of course inserting use Doctrine\ORM\Mapping as ORM;in every entity).

解决方案是避免使用 SimpleAnnotationsReader 而是使用普通的 AnnotationReader （查看Doctrine\ORM\Configuration::newDefaultAnnotationDriver）。然后，您可以在每个实体前加上ORM\（当然也可以use Doctrine\ORM\Mapping as ORM;在每个实体中插入）。

回答by ajtrichards

I resolved this issue by adding the following to my entity file:

我通过将以下内容添加到我的实体文件中解决了这个问题：

use Doctrine\ORM\Mapping as ORM;

So my file now looks like:

所以我的文件现在看起来像：

<?php

namespace Acme\CustomBundle\Entity;

use Doctrine\ORM\Mapping as ORM;

/**
 * Example
 *
 * @ORM\Entity
 * @ORM\Table(name="example")
 *
 */
class Example
{
    /**
     * @ORM\Column(type="integer")
     * @ORM\Id
     * @ORM\GeneratedValue(strategy="AUTO")
     *
     * @var integer
     */
    private $id;

    /**
     * @ORM\Column(type="string", length=125)
     *
     * @var string
     */
    private $title;

    /**
     * Get id
     *
     * @return integer
     */
    public function getId()
    {
        return $this->id;
    }

    /**
     * Set title
     *
     * @param string $title
     *
     * @return Example
     */
    public function setTitle($title)
    {
        $this->title = $title;

        return $this;
    }

    /**
     * Get title
     *
     * @return string
     */
    public function gettitle()
    {
        return $this->title;
    }

}

回答by Mostafa Lavaei

Add usestatements for every annotation you have used in your entities. for example:

添加use报表每次都在使用的标注entities。例如：

use Doctrine\ORM\Mapping\Entity;
use Doctrine\ORM\Mapping\Table;
use Doctrine\ORM\Mapping\Id;
use Doctrine\ORM\Mapping\Column;
use Doctrine\ORM\Mapping\GeneratedValue;

But you may not interesting to use this method. You can write all usestatements to one file and just include it in your entities.

但是你可能对使用这种方法不感兴趣。您可以将所有use语句写入一个文件，然后将其包含在entities.

回答by Luis Lopes

If you are testing and your tests fail because of this. Make sure you have the right autoload configured in your phpunit settings.

如果您正在测试并且您的测试因此而失败。确保在 phpunit 设置中配置了正确的自动加载。

For a very specific scenario, my problem was upgrading my symfony version whereas before i had the bootstrap.cache.phpfile, but on a new version, it is app/autoload. I had to change my phpunit.xmlconfig file and set my bootstrap option to that file bootstrap="autoload.php"

对于一个非常具体的场景，我的问题是升级我的 symfony 版本，而在我拥有该bootstrap.cache.php文件之前，但在新版本上，它是app/autoload. 我不得不更改我的phpunit.xml配置文件并将我的引导选项设置为该文件bootstrap="autoload.php"

回答by Ales

I was getting the same error message "[Semantical Error] The annotation "@Entity" in class Entity\User was never imported. Did you maybe forget to add a "use" statement for this annotation?".

我收到相同的错误消息“[语义错误] 类 Entity\User 中的注释“@Entity”从未被导入。您是否忘记为此注释添加“use”语句？”。

The problem was that I had alias for ORM and did not used it for the annotation.

问题是我有 ORM 的别名并且没有将它用于注释。

I had this: @OneToOne(targetEntity="CompanyProduct")

我有这个： @OneToOne(targetEntity="CompanyProduct")

And correct was this: @ORM\OneToOne(targetEntity="CompanyProduct")

正确的是这样的： @ORM\OneToOne(targetEntity="CompanyProduct")

回答by Mostafa

My problem solved by adding:

我的问题通过添加解决：

use Doctrine\ORM\Mapping\HasLifecycleCallbacks;

use Doctrine\ORM\Mapping\HasLifecycleCallbacks;