Zend framework2 ZF2 FormInput在验证失败时显示错误类
“我的表单”中有多个元素以以下格式呈现:Zend framework2 ZF2 FormInput在验证失败时显示错误类,zend-framework2,zend-form2,Zend Framework2,Zend Form2,“我的表单”中有多个元素以以下格式呈现: <div class="form-group"> <?php echo $this->formlabel($form->get('lastname')); ?> <?php echo $this->forminput($form->get('lastname')); ?> <?php echo $this->formElementError
<div class="form-group">
<?php echo $this->formlabel($form->get('lastname')); ?>
<?php echo $this->forminput($form->get('lastname')); ?>
<?php echo $this->formElementErrors($form->get('lastname')); ?>
</div>
如何通过$this->forminput将输入错误类放入元素中
当我在forminput之前执行formrow时,两者中的输入都有错误类,但当我单独执行forminput时,则没有错误类
[编辑]
短期而言,我已经在现有代码上方放置了formrow,但没有回声,现在我的输入字段显示了错误类,但这感觉有点像黑客,我必须对我的应用程序中的每个元素都这样做。我创建了一个视图帮助器,将缺少的类添加到forminput中:
<label for="lastname">Lastname</label><input .../>
<ul><li>error messages</li></ul>
<label>Lastname<input ... class="input-error"/></label>
<?php
/**
* Extend zend form view helper forminput to add error class to element on validation
* fail
*
* @package RPK
* @author Richard Parnaby-King
*/
namespace RPK\Form\View\Helper;
use Zend\Form\View\Helper\FormInput as ZendFormInput;
class FormInput extends ZendFormInput
{
protected $inputErrorClass = 'input-error';
/**
* Render a form <input> element from the provided $element
*
* @param ElementInterface $element
* @throws Exception\DomainException
* @return string
*/
public function render(\Zend\Form\ElementInterface $element)
{
$inputErrorClass = $this->inputErrorClass;
// Following code block copied from \Zend\Form\View\Helper\FormRow
// Does this element have errors ?
if (count($element->getMessages()) > 0 && !empty($inputErrorClass)) {
$classAttributes = ($element->hasAttribute('class') ? $element->getAttribute('class') . ' ' : '');
$classAttributes = $classAttributes . $inputErrorClass;
$element->setAttribute('class', $classAttributes);
}
return parent::render($element);
}
}
public function onBootstrap(MvcEvent $e) {
$services = $e->getApplication()->getServiceManager();
//add custom forminput viewhelper
$services->get('ViewHelperManager')->setFactory('forminput', function (\Zend\View\HelperPluginManager $manager) {
return new \RPK\Form\View\Helper\FormInput();
});
}