Question

我把这个类添加到library/My/Validate/PasswordConfirmation.php。

<?php 
require_once  Zend/Validate/Abstract.php ;
class My_Validate_PasswordConfirmation extends Zend_Validate_Abstract
{
    const NOT_MATCH =  notMatch ;

    protected $_messageTemplates = array(
        self::NOT_MATCH =>  Password confirmation does not match 
    );

    public function isValid($value, $context = null)
    {
        $value = (string) $value;
        $this->_setValue($value);

        if (is_array($context)) {
            if (isset($context[ password ])
                && ($value == $context[ password ]))
            {
                return true;
            }
        } elseif (is_string($context) && ($value == $context)) {
            return true;
        }

        $this->_error(self::NOT_MATCH);
        return false;
    }
}
?>

然后我在我的表单中创建了两个字段，就像这样：

       $userPassword = $this->createElement( password ,  user_password );
    $userPassword->setLabel( Password:  );
    $userPassword->setRequired( true );
    $this->addElement($userPassword);

    //create the form elements user_password repeat
    $userPasswordRepeat = $this->createElement( password ,  password_confirm );
    $userPasswordRepeat->setLabel( Password repeat:  );
    $userPasswordRepeat->setRequired( true );
    $userPasswordRepeat->addPrefixPath( My_Validate , My/Validate , validate );

    $userPasswordRepeat->addValidator( PasswordConfirmation );
    $this->addElement($userPasswordRepeat)

一切都好，但每当我提交表单时，我总是收到“密码确认不匹配”的消息？我的代码有什么问题？

Answer 1

我认为您可能想要使用$context[user_password]，因为那是您的“第一个”密码元素的名称。

Answer 2

你不需要重写Zend_Form->isValid方法或使用超全局变量$_POST，可以检查一下这个：

$frmPassword1=new Zend_Form_Element_Password( password );
$frmPassword1->setLabel( Password )
    ->setRequired( true )
    ->addFilter(new Zend_Filter_StringTrim())
    ->addValidator(new Zend_Validate_NotEmpty());

$frmPassword2=new Zend_Form_Element_Password( confirm_password );
$frmPassword2->setLabel( Confirm password )
    ->setRequired( true )
    ->addFilter(new Zend_Filter_StringTrim())
    ->addValidator(new Zend_Validate_Identical( password ));

Answer 3

更简便的方法:

    $password = new Zend_Form_Element_Password( password );
    $password->setLabel( Password: )
            ->addValidator( StringLength , false, array(6,24))
            ->setLabel( Choose your password: )
            ->setRequired(true);

    $password2 = new Zend_Form_Element_Password( password-confirm );
    $password2->setLabel( Confirm: )
            ->addValidator( StringLength , false, array(6,24))
            ->setLabel( Confirm your password: )
            ->addValidator(new Zend_Validate_Identical($_POST[ password ]))
            ->setRequired(true);

Answer 4

有一种更好的方法可以做到这一点。在您的表单中，在确认密码字段上放置相同的验证器，然后只需覆盖$form->isValid()方法以设置要验证的值：

public function __construct($options = NULL)
{
   // ...
   $confirm->addValidator( Identical );
   // ...
}
public function isValid($data)
{
    $confirm = $this->getElement( confirm_password );
    $confirm->getValidator( Identical )->setToken($data[ password ]);
    return parent::isValid($data);
}

Answer 5

使验证器可重用。不要在验证器中硬编码字段名。看看这个更通用的IdenticalField Validator。

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