如何从Twig中的Symfony2表单获取Doctrine2实体方法 [英] How to get a Doctrine2 Entity method from a Symfony2 Form in Twig

问题描述

我在Twig模板中，并且有一个表示"Doctrine2实体表单"的表单"变量.

I'm in a Twig template, and I have a "form" variable that represents a Doctrine2 Entity Form.

该实体具有映射到表单中的属性，但是该实体还有一些我想从我的Twig模板访问的方法.

This Entity has properties that are mapped into the form, but the Entity has also some methods that I would like to access from my Twig template.

我想做这样的事情:

{{ form.myMethod }}

或者也许是这样的:

{{ form.getEntity.myMethod }}

但不幸的是，它不起作用.

but unfortunately it doesn't work.

我怎样才能实现我所需要的?

How could I achieve what I need?

推荐答案

要在树枝模板中从FormView访问实体，可以使用以下代码

To access your entity from your FormView in a twig template you can use the following code

{{ form.get('value') }}

其中form是您的FormView对象.这将返回您的实体，从那里您可以在其上调用任何方法.如果您在表单中嵌入实体集合或单个实体，则可以用相同的方式访问

Where form is your FormView object. This will return your entity and from there you can call any methods on it. If you embed a collection of entities or a single entity in your form you can access it the same way

{{ form.someembedform.get('value') }}

或

{% for obj in form.mycollection %}
  {{ obj.get('value').someMethod }}
{% endif %}

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