MUS*_*SSI 4 symfony-forms symfony symfony4
实际上,当我尝试通过发送空字段来编辑表单时,会出现上述错误,
我的 UserType 类看起来像:
class UserType extends AbstractType
{
public function buildForm(FormBuilderInterface $builder, array $options)
{
$builder
->add('firstName', null, [
'label' => 'Prénom'
])
->add('lastName', null, [
'label' => 'Nom'
])
->add('email', EmailType::class, [
'label' => 'Adresse e-mail'
])
->add('password', PasswordType::class, [
'label' => 'Mot de passe'
])
;
}
public function configureOptions(OptionsResolver $resolver)
{
$resolver->setDefaults([
'data_class' => User::class,
]);
}
}
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这个问题可以通过在构建器添加函数中添加“empty_data”参数来解决:
所以新的 UserType 类变为:
class UserType extends AbstractType
{
public function buildForm(FormBuilderInterface $builder, array $options)
{
$builder
->add('firstName', null, [
'label' => 'Prénom',
**'empty_data' => ''**
])
->add('lastName', null, [
'label' => 'Nom',
**'empty_data' => ''**
])
->add('email', EmailType::class, [
'label' => 'Adresse e-mail',
**'empty_data' => ''**
])
->add('password', PasswordType::class, [
'label' => 'Mot de passe',
**'empty_data' => ''**
])
;
}
public function configureOptions(OptionsResolver $resolver)
{
$resolver->setDefaults([
'data_class' => User::class,
]);
}
}
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