如何在 symfony 3 中为存储库类配置依赖注入 [英] How to configure dependency injection for repository class in symfony 3

问题描述

Symfony 生成器生成了以下存储库类:

Symfony generator generated the following class of repository:

namespace AppBundle\Repository;
use AppBundle\Entity\GroupEntity;

/**
 * GroupEntityRepository
 *
 * This class was generated by the Doctrine ORM. Add your own custom
 * repository methods below.
 */
class GroupEntityRepository extends \Doctrine\ORM\EntityRepository
{


}

services.yml:

services.yml:

group_entity_repository:
         class: AppBundle\Repository\GroupEntityRepository
         arguments: ["@doctrine.orm.entity_manager", AppBundle\Entity\GroupEntity]

我错误地配置了 services.yml，但我现在不知道使用什么作为第二个参数.所以我得到了错误:

I configured services.yml wrongly, but I do not now what to use as second argument. So I get the error:

可捕获的致命错误:传递给 Doctrine\ORM\EntityRepository::__construct() 的参数 2 必须是 Doctrine\ORM\Mapping\ClassMetadata 的实例，给出字符串，在 E:\other\dropbox\Dropbox\programavimas\ 中调用kodo pavyzdziai\htdocs\users_admin_demo\var\cache\dev\appDevDebugProjectContainer.php 在线 1626 和定义

Catchable Fatal Error: Argument 2 passed to Doctrine\ORM\EntityRepository::__construct() must be an instance of Doctrine\ORM\Mapping\ClassMetadata, string given, called in E:\other\dropbox\Dropbox\programavimas\kodo pavyzdziai\htdocs\users_admin_demo\var\cache\dev\appDevDebugProjectContainer.php on line 1626 and defined

如何解决?我在文档中看不到，它只显示了生成器和最终生成的类的代码，但没有显示服务配置.

How to fix it? I cannot see in the documentation, it just showed the code for generator and final generated class but no services config.

推荐答案

从 Symfony 3.3 开始推荐:

从 Symfony 3.3 开始，建议使用实际的类名作为服务 id (阅读本 和本).

As of Symfony 3.3 it is recommended to use the actual class name as service id (read this and this).

AppBundle\Repository\GroupEntityRepository:
    factory: 'Doctrine\ORM\EntityManagerInterface:getRepository'
    arguments:
        - AppBundle\Entity\GroupEntity

原答案:

您可以像这样配置您的存储库服务:

You can configure your repository service like this:

group_entity_repository:
    class: AppBundle\Repository\GroupEntityRepository
    factory: ["@doctrine.orm.entity_manager", getRepository]
    arguments:
        - AppBundle\Entity\GroupEntity

您可能永远不想自己调用存储库构造函数.因此，这种方法仅使用 entity_manager 来获取存储库.服务容器基本上是使用这个代码来获取仓库的:

You will probably never want to invoke the repository constructor yourself. Therefore this approach just uses the entity_manager to get the repository. The service container bascially uses this code to get the repository:

$container->get('doctrine.orm.entity_manager')->getRepository('AppBundle\Entity\GroupEntity');

这篇关于如何在 symfony 3 中为存储库类配置依赖注入的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！