如何检索已配置"mapped" => false且不属于 Symfony 表单中表单实体的一部分的表单字段?
表单提交后,表单对象不包含配置为"mapped" => false名为mainCheckbox的字段。
表单生成器:
\n\nclass DocumentCategoryType extends AbstractType\n{\n public function buildForm(FormBuilderInterface $builder, array $options)\n {\n $builder\n ->add(\'name\', TextType::class, array(\n \'label\' => \'Podkategoria\'))\n ->add(\'mainCheckbox\', CheckboxType::class, array(\n \'label\' => \'Kategoria g\xc5\x82\xc3\xb3wna\',\n "mapped" => false,\n ))\n ->add(\'parentId\', EntityType::class, array(\n \'label\' => \'Kategoria g\xc5\x82\xc3\xb3wna\',\n \'class\' => IntraDocumentCategory::class,\n \'query_builder\' => function (EntityRepository $er) {\n return $er->createQueryBuilder(\'c\')\n ->where(\'c.parentId = :parent\')\n ->setParameter(\'parent\', 0);},\n \'choice_label\' => \'name\',\n ))\n ->add(\'save\', SubmitType::class, array(\'label\' => \'Dodaj\'));\n }\nRun Code Online (Sandbox Code Playgroud)\n\n控制器:
\n\n$documentCategory = new IntraDocumentCategory();\n$form = $this->createForm(DocumentCategoryType::class, $documentCategory);\n$form->handleRequest($request);\n\nif ($form->isSubmitted() && $form->isValid()) {\n $formData = $form->getData();\nRun Code Online (Sandbox Code Playgroud)\n\n虽然调试$formData是一个对象AppBundle\\Entity\\IntraDocumentCategory并且只包含它们的字段,而不是来自表单生成器的mainCheckbox。
您可以使用以下语法访问表单字段:
$form->get('mainCheckbox')->getData();
Run Code Online (Sandbox Code Playgroud)
如果该字段存在,那么您应该获取该字段的值。
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