树枝中的可搜索下拉框

Searchable Dropdown box in twig

我的表单类型如下:

public function buildForm(FormBuilderInterface $builder, array $options)
    {
        $builder
            ->add('Name')
            ->add('Occupation');
    }

我的edit.html.twig如下:

{% block main %}
    <form action="{{ path('admin_artists_edit', {'id': artist.id}) }}" method="post" {{ form_enctype(artistForm) }}>
        {{ form_errors(artistForm) }}

        {{ form_row(artistForm.name) }}

        {{ form_rest(artistForm) }}
        <input type="submit" />
    </form>
{% endblock %}

有什么方法可以使职业字段成为可搜索的下拉列表吗?任何想法都会被采纳

问题已解决:

{{ form_widget(artistForm.occupation, { 'attr': {'class': 'searchabledropdown'} }) }}


        {% block stylesheets %}
            <link href="{{ asset('css/select2.css') }}" type="text/css" rel="stylesheet" />
        {% endblock %}
        {% block javascripts %}
            <script src="{{ asset('js/select2.js') }}"></script>
        {% endblock %}

    <script type="text/javascript">
        $(document).ready(function() {
            $(".searchabledropdown").select2();
        });
    </script>