验证带有额外字段的 symfony2 表单 [英] Validating symfony2 forms with extra fields

问题描述

我正在为一个backbone.js 应用程序开发一个symfony2 后端.我有我的模型和表格.

但是，backbone.js 在创建/更新模型时会向 REST API 发送一些额外的属性，而我正在努力验证表单.

如何在 symfony2 中获取表单以接受其他数据，或者如何在将数据绑定到表单之前删除特定键?

解决方案

要让 Symfony2 接受附加数据，请将附加字段添加到您的表单构建器中，并将它们的 property_path 选项设置为 false:

示例:

$builder->add('my_additional_field', 'checkbox', array('映射' =>错误的，));

在绑定数据之前不需要删除键，它们无论如何都会被忽略.

I'm working on a symfony2 backend for a backbone.js application. I have my model and form.

However, backbone.js sends some additional properties to the REST API when it's creating/updating a model and I'm struggling to get the form to validate.

How can I get a form in symfony2 to accept additional data, or how can I drop particular keys before binding data to a form?

解决方案

To get Symfony2 accept additional data, add the additional fields to your form builder, and set their property_path option to false:

Example:

$builder
    ->add('my_additional_field', 'checkbox', array(
        'mapped' => false,
    ));

You don't need to drop the keys before binding the data, they'll be ignored anyway.

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