2013-03-18 103 views
2

我创建了一个Observer来监视事件subscriber_save_before。在这个观察者中,我处理一个新的字段,保存这个字段的值,但是如果发生了一些错误,我想记录不要保存,只显示我的错误信息。 throwException似乎没有办法。我认为唯一可行的方法是强制电子邮件字段为空,但无法实现此目的。 在subscriberController.php(法师核心)我有这样的:阻止订阅者保存在观察者newsletter_subscriber_save_before Magento

$email = (string) $this->getRequest()->getPost('email'); 

     try { 
      if (!Zend_Validate::is($email, 'EmailAddress')) { 
       Mage::throwException($this->__('Please enter a valid email address.')); 
      } 

这是我的代码(不工作):

public function NewsletterSaveSubscriber($observer) 
{ 
    $subscriber = $observer->getEvent()->getSubscriber(); 
    $name = Mage::app()->getRequest()->getParam('subscriber_name'); 



    // server side validation 
    // no name specified 
    if (!Zend_Validate::is(trim($name), 'NotEmpty')) { 

     $session = Mage::getSingleton('core/session'); 

     try { 
      Mage::throwException(Mage::helper('newsletter')->__('The name field cannot be empty!')); 
     } catch (Mage_Core_Exception $e) { 
      $session->addException($e, Mage::helper('newsletter')->__('There was a problem: %s', $e->getMessage())); 
     } 
    $observer->getRequest()->setPost('email', ''); // this code doesn't work 
    Mage::app()->getRequest()->setPost('email', ''); // this too 

      // Ohh nooo! The subscriber is stored :-(
     return $this; 
    } 


    // save the name 
    $name = htmlspecialchars($name); 
    $subscriber->setSubscriberName($name); 
    return $this; 
} 
+0

您需要添加重定向语句。如果您的电子邮件无效,或者您希望执行代码并在下一页显示您的消息,您是否希望重定向? – oscprofessionals 2013-03-19 04:42:05

回答

0

这将解决您的probem:

//Error Message 
$session = Mage::getSingleton('core/session'); 
$session->getMessages(true); 
$session->addError(Mage::helper('cartware_automaticreview')->__('Could´t save.')); 

// Ohh nooo! The subscriber is not stored :)    
$controller = $observer->getControllerAction()->setFlag('',Mage_Core_Controller_Varien_Action::FLAG_NO_DISPATCH,true); 
$controller->getResponse()->setRedirect(Mage::app()->getRequest()->getServer('HTTP_REFERER')); 
return; 

祝你好运!