Question

Zend talk。我在我的web应用程序中构建了一个自定义的Zend_form。问题是我无法显示错误（当我提交没有任何文本的表单时）。我是否遗漏了一些明显的内容？

class Commentform extends Zend_Form
{
 public function init()
 {  

  $this->setMethod( post );
  $this->setAction(  );
  $text=new Zend_Form_Element_Textarea( text );
  $text->setRequired(true)
  ->addFilter( StringTrim )
  ->addFilter( StripTags )
  ->setDescription( bla bla );

 $submit=new Zend_Form_Element_Submit( commenta );

 $this->addElements(array($text,$submit));
 $this->setElementDecorators(array(
  ViewHelper ,
 array( Description ,array(
        tag => span , class => medium , placement => PREPEND )),
 ));

$this->setDecorators(array(
 FormElements ,
  FormErrors ,
 Form ,array( Description ,array( tag => h2 , placement => prepend )),
 array( HtmlTag , array( tag  =>  div , class => write_comment )),
));

$this->setDescription( zend zend );
}
}

谢谢

卢卡

Answer 1

在表单上使用的正确装饰器是FormErrors，例如

$this->setDecorators(array(
 FormElements ,
 FormErrors ,
 Form ,array( Description ,array( tag => h2 , placement => prepend )),
 array( HtmlTag , array( tag  =>  div , class => write_comment )),
));

Errors装饰器用于元素。

Answer 2

您必须在表单元素中放置一个“错误”装饰器Zend_Form_Element默认加载此“错误”装饰器，如您在Zend-Form_Element源代码中所见：

public function loadDefaultDecorators()
{
    ...
    $this->addDecorator( ViewHelper )
        ->addDecorator( Errors )
        ->addDecorator( Description , array( tag  =>  p ,  class  =>  description ))
        ->addDecorator( HtmlTag , array( tag  =>  dd ,  id   => array( callback  => $getId)))
        ->addDecorator( Label , array( tag  =>  dt ));
    ...
}

因为您在不提供“错误”装饰器的情况下重写此行为，所以不会显示元素级错误。

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