Symfony2 Bundle配置

Question

我正在尝试为我的捆绑包使用自定义配置

#app/config.yml
config.yml
        my_app:
                level1:
                    level2:
                        - "first data"
                        - "second data"

如何将这些信息作为控制器或服务

#My/AppBundle/DependencyInjection/Configuration.php
        $treeBuilder = new TreeBuilder();
        $rootNode = $treeBuilder->root('my_app');

        $rootNode
            ->children()
                ->arrayNode('level1')
                    ->children()
                        ->arrayNode('level2')->end()
                    ->end()
                ->end()
            ->end()
    ;

此代码生成以下错误：

InvalidConfigurationException in ArrayNode.php line 317: Unrecognized options "0, 1" under "my_app.level1.level2"

怎么能这样做？

Answer 1

我认为你应该这样做：

->children()
    ->arrayNode('level2')
        ->prototype('scalar')->end()
    ->end()

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