ajax – Symfony 2 – 删除表单和CSRF令牌

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我有一个来自数据库的条目列表.我想在每一行的末尾都有一个“删除按钮”,这样用户就不必首先进入编辑/显示页面删除该条目.

我尝试使用csrf标记创建一个隐藏的输入字段,如下所示:

return $this->createFormBuilder()
   ->getForm()
;

这将输出

<div id="form">
   <input type="hidden" id="form__token" name="form[_token]" value="6c98ebfa9df07.....">
</div>

表单的其余部分放在twig模板中,以便每个表单根据条目的id有自己的操作路径.

不幸的是在树枝模板中只有第一个

{{ form_widget(delete_form) }}

将被渲染.

我怎样才能更频繁地使用这个隐藏的字段?
或者有没有办法以不同的方式完成这一切?

谢谢你的帮助

public function indexAction()
    {
        $em = $this->getDoctrine()->getManager();

        $deleteForm = $this->createDeleteForms();

        $entities = $em->getRepository('IntranetServicesBundle:Laender')->findAll();

        return $this->render('IntranetServicesBundle:Laender:index.html.twig',array(
            'entities' => $entities,'delete_form' => $deleteForm->createView(),));
    }


private function createDeleteForms()
{
    return $this->createFormBuilder()
        ->add('id','hidden')
        ->getForm()
    ;
}
您可以使用以下内容呈现单个令牌:
{{ form_widget(form._token) }}

或特别针对您的情况:

{{ form_widget(delete_form._token) }}

但是,我认为你可以更好地制作一系列表格并完全呈现每一个表格:

在你的控制器中:

public function indexAction()
    {
        $em = $this->getDoctrine()->getManager();
        $rep= $em->getRepository('IntranetServicesBundle:Laender')
                ->createQueryBuilder('l');

        var_dump($rep->getQuery()->getDql());
        $entities=$rep->getQuery()->getResult();

        $delete_forms  = array_map(
            function($element){ 
                return $this->createDeleteForm($element->getId());},$entities->toArray()
            );

        return $this->render('IntranetServicesBundle:Laender:index.html.twig',array(
                                 'entities'        => $entities,'delete_forms'    => $delete_forms
                           ));
    }


private function createDeleteForms($id)
{
    return $this->createFormBuilder(array('id' => $id)))
        ->add('id','hidden')
        ->getForm()
    ;
}

public function deleteAction(Request $request,$id)
{
    $form = $this->createDeleteForm($id);
    $form->bind($request);

    if ($form->isValid()) {
        $em = $this->getDoctrine()->getManager();

        $entity = $em->getRepository('IntranetServicesBundle:Laender')
                     ->find($id);
        // this line might need to be changed to point to the proper repository

        if (!$entity) {
            throw $this->createNotFoundException('Unable to find Laender entity.');
        }

        $em->remove($entity);
        $em->flush();
    }

    return $this->redirect($this->generateUrl('laender_index'));
    // this line might need to be changed to point to the proper 
    // post-delete route
}

在你的树枝上做一些事情:

{% for form in delete_forms %}{{form_widget(form)}}{% endfor %}
原文链接:https://www.f2er.com/ajax/160002.html

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