你如何通过MoneyType Field验证表单帖子?如何验证Symfony表单输入MoneyType?
这是够糟糕的it uses input type="text"
instead of type="number"
,但糟糕的是它什么并不重要的输入,像“ASDF”的反应总是:valid form posted.
我怎样才能得到有用的错误信息,指示用户,他们需要把一个有效金额,如“43.21”?
我在控制器试图'error_bubbling' => true
上添加选项,在树枝视图{{ form_errors(form) }}
,并通过$form->getErrors()
作为this answer建议,但那些总是空的,因为不管是什么,$form->isValid()
总是返回true不管用户输入。
项目结构:
.
├── composer.json
├── composer.lock
├── pub
│ └── scratch.php
├── vendor
│ └── ...
└── views
└── form.html.twig
scratch.php
<?php require_once __DIR__.'/../vendor/autoload.php';
use Symfony\Component\Form\Forms;
use Symfony\Component\Form\Extension\Core\Type\MoneyType;
use Symfony\Component\Form\Extension\HttpFoundation\HttpFoundationExtension;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\Translation\Translator;
use Symfony\Bridge\Twig\Form\TwigRenderer;
use Symfony\Bridge\Twig\Form\TwigRendererEngine;
use Symfony\Bridge\Twig\Extension\FormExtension;
use Symfony\Bridge\Twig\Extension\TranslationExtension;
// the Twig file that holds all the default markup for rendering forms
// this file comes with TwigBridge
$defaultFormTheme = 'form_div_layout.html.twig';
$appVariableReflection = new \ReflectionClass('\Symfony\Bridge\Twig\AppVariable');
$vendorTwigBridgeDir = dirname($appVariableReflection->getFileName());
// the path to your other templates
$viewsDir = realpath(__DIR__.'/../views');
$twig = new Twig_Environment(new Twig_Loader_Filesystem(array(
$viewsDir,
$vendorTwigBridgeDir.'/Resources/views/Form',
)));
$formEngine = new TwigRendererEngine(array($defaultFormTheme));
$twig->addExtension(
new FormExtension(new TwigRenderer($formEngine))
);
$twig->addExtension(
new TranslationExtension(new Translator('en'))
);
$formEngine->setEnvironment($twig);
// create your form factory as normal
$formFactory = Forms::createFormFactoryBuilder()
->addExtension(new HttpFoundationExtension())
->getFormFactory();
$formBuilder = $formFactory->createBuilder();
$formBuilder->add("amount", MoneyType::class, [
'currency' => 'USD',
'error_bubbling' => true
]);
$form = $formBuilder->getForm();
$request = Request::createFromGlobals();
$form->handleRequest($request);
if ($form->isValid()) {
die('valid form posted.');
}
$form->getErrors(true);
echo $twig->render('form.html.twig', array(
'form' => $form->createView(),
));
form.html.twig
{{ form_start(form) }}
{{ form_errors(form) }}
{{ form_widget(form) }}
<input type="submit" />
{{ form_end(form) }}
composer.json
{
"require": {
"symfony/form": "^3.1",
"symfony/twig-bridge": "^3.1",
"symfony/translation": "^3.1",
"symfony/http-foundation": "^3.1"
}
}
什么是你的 'scratch.php' 文件的目的是什么?为什么不使用控制器文件?我只是问,因为'scratch.php'文件中有很多代码似乎不是必需的......并且您也将它放在不是Symfony标准的pub文件夹下。也许你有这样一个创建项目的原因 - 你能解释一下吗? –
@AlvinBunk独立最小,完整,可验证的例子。我没有使用这个框架,用Symfony测试水域,因为这些组件被认为是模块化的。 –
为什么不简单地使用NumberType字段而不是MoneyType作为用例? – Alsatian