验证组不适用于表单

Posted 2023-02-16

【中文标题】验证组不适用于表单

【英文标题】：Validations Groups doesn't working with forms

【发布时间】：2021-11-10 08:08:09

【问题描述】：

我正在尝试在我的 symfony 项目上设置组验证。 当我更新一个实体时，我只需要验证一些字段。当我创建一个实体时，我只需要验证一些其他的字段。

服务：

$form = $this->formFactory->createNamed('form', FormType::class, $entity, ['validation_groups' => ['update']]);

表格：

class FormType extends AbstractType

    public function buildForm(FormBuilderInterface $builder, array $options)
    
        $builder
            ->add('user', EntityType::class, [
                'class' => User::class,
                'validation_groups' => ['create']
            ])
            ->add('number', EntityType::class, [
                'class' => Numbers::class,
                'validation_groups' => ['create', 'update']
            ])
            ->add('phone', TextType::class, [
                'validation_groups' => ['create', 'update']
            ])
        ;
    

    public function configureOptions(OptionsResolver $resolver)
    
        $resolver->setDefaults([
            'data_class' => Phones::class,
            'allow_extra_fields' => true,
            'validation_groups' => ['create', 'update'],
            'cascade_validation' => true,
        ]);
    

但是，当我提交表单时，“用户”字段仍然有效。

"form":"user":748,"number":"9.2","phone":"0x xx xx xx xx"

"id":957,"error":"Expected argument of type \"App\\Entity\\User\", \"null\" given at property path \"user\"."

【参考方案1】：

您无需在字段上指定validation_groups。 默认情况下，传递到表单选项的组应用于所有字段。

# Service 1
// Only 'create' group will be validated
$this->formFactory->createNamed('form', FormType::class, $entity, ['validation_groups' => ['create']]);

# Service 2
// Only 'create' and 'update' group will be validated
$this->formFactory->createNamed('form', FormType::class, $entity, ['validation_groups' => ['create', 'update']]);

# Form
class FormType extends AbstractType

    public function buildForm(FormBuilderInterface $builder, array $options)
    
        $builder
            ->add('user', EntityType::class, [
                'class' => User::class,
                // 'validation_groups' => ['create']
            ])
            ->add('number', EntityType::class, [
                'class' => Numbers::class,
                // 'validation_groups' => ['create', 'update']
            ])
            ->add('phone', TextType::class, [
                // 'validation_groups' => ['create', 'update']
            ])
        ;
    

    public function configureOptions(OptionsResolver $resolver)
    
        $resolver->setDefaults([
            'data_class' => Phones::class,
            'allow_extra_fields' => true,
            // 'validation_groups' => ['create', 'update'],
            'cascade_validation' => true,
        ]);
    

但是，这看起来不像是表单验证错误（违规）。 Expected argument of type \"App\\Entity\\User\", \"null\" given at property path \"user\" 表示，传递给“用户”字段的值为空（未设置）。 当表单用于“创建”时，您应该省略“用户”字段。

解决方案一：

// add option 
$resolver->setDefaults([
    'data_class' => Phones::class,
    // ...
    'addUserField' => null,
]);

// in service pass this option
$this->formFactory->createNamed('form', FormType::class, $entity, [
   'validation_groups' => ['create'],
   'addUserField' => true
]);

// use condition in form to add field only if option is passed with true value
if($options['addUserField'] === true) 
    $builder->add('user', EntityType::class, [class' => User::class]);

$builder
   ->add('number'/** ... */)
   ->add('phone'/** ... */)
;

解决方案 2：

创建 2 种表单类型 FormTypeCreate 和 FormTypeUpdate。跳过FormTypeUpdate 中的“用户”字段。您也可以从 FormTypeUpdate 扩展 FormTypeCreate。

class FormTypeUpdate extends AbstractType

    public function buildForm(FormBuilderInterface $builder, array $options)
    
        $builder
            ->add('number', EntityType::class, [
                'class' => Numbers::class,
            ])
            ->add('phone', TextType::class)
        ;
    
    //...


//
class FormTypeCreate extends FormTypeUpdate

    public function buildForm(FormBuilderInterface $builder, array $options)
    
        $builder->add('user', EntityType::class, [
            'class' => User::class,
        ])
        parent::buildForm($builder, $options); // adds 'number' and 'phone' fields
    
    //...