将标签添加到symfony表单( WAI complient )

{% block form_label %}
    {% if label is not sameas(false) %}
        {% if label is empty %}
            {% set label = name|humanize %}
        {% endif %}
        <label{% for attrname, attrvalue in label_attr %} {{ attrname }}="{{ attrvalue }}"{% endfor %}>{{ label|trans({}, translation_domain) }}</label>
    {% endif %}
{% endblock form_label %}

use Symfony\Component\Form\FormBuilderInterface;
use Symfony\Component\OptionsResolver\OptionsResolver;

class YourFormType extends AbstractType
{
    public function buildForm(FormBuilderInterface $builder, array $options)
    {
        $builder
            // 添加表单字段
            ->add('your_field', null, [
                'label' => 'Your Label',
            ])
            // ...
        ;
    }

    public function configureOptions(OptionsResolver $resolver)
    {
        $resolver->setDefaults([
            'attr' => ['class' => 'your-form-class'],
            'form_theme' => 'form_theme.html.twig', // 加载自定义表单主题
        ]);
    }
}