7

使用配置类,如何定义没有数字键的数组节点?数组的子代不代表进一步的配置选项。相反,它们将是一个无法选择性地覆盖的列表,只能作为一个整体来覆盖。

到目前为止,我有:

public function getConfigTreeBuilder()
{
    $treeBuilder = new TreeBuilder;
    $root = $treeBuilder->root('acme_base');

    $root
        ->children()
            ->arrayNode('entities')

                // Unfortunately, this doesn't work
                ->defaultValue(array(
                    'Acme\BaseBundle\Entity\DefaultEntity1',
                    'Acme\BaseBundle\Entity\DefaultEntity2',
                ))

            ->end()
        ->end();

    return $treeBuilder;
}

app/config.yml中,我希望能够像这样覆盖它:

acme_base:
  entities:
    - 'Acme\BaseBundle\Entity\AnotherEntity1'
    - 'Acme\BaseBundle\Entity\AnotherEntity2'
    - 'Acme\BaseBundle\Entity\AnotherEntity3'
    - 'Acme\BaseBundle\Entity\AnotherEntity4'
4

1 回答 1

22

我想你需要

$root
    ->children()
        ->arrayNode('entities')
        ->addDefaultsIfNotSet()
        ->prototype('scalar')->end()
        ->defaultValue(array(
            'Acme\BaseBundle\Entity\DefaultEntity1',
            'Acme\BaseBundle\Entity\DefaultEntity2',
        ))
    ->end()
于 2012-08-13T16:13:09.553 回答