dousi6701 2014-01-11 02:43
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在Yii中实施强制性空验证?

I am implmenting a captcha type, bot checking where instead of having users fill out the irritating capture we create a hidden field called password_confirm and then when checking posted variables if it contains a value an error will be made.

I have read around and apparently it would be best to implement in a beforeValidate() event handler as opposed to creating a new validation rule.

However I am unsure how to stop the process and how to return an error message if that is even necessary, as when you call validate() it will clear all existing error messages.

Also not too sure if we can set it up using scenarions so only in the register scenario does it apply.

In the form Widget:

<div class="row">
        <?php echo $form->hiddenField($model, 'password_confirm'); ?>
        <?php echo $form->error($model,'password_confirm'); ?>
    </div>

In the FormModel:

class LoginForm extends CFormModel
{
public $password_confirm; 

...

protected function beforeValidate() 
    {
    if(empty($this->password_confirm)) 
        {
            return false;
        }
        else 
        {
            return parent::beforeValidate();
        }
    }

I got a Property Not Defined Error: So I added to the User model:

public $password_confirm; 

But then after registering, It didn't show anything except the Application log. There are probably a number of problems here, I sorry for the convoluted question.

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  • dongshuofu0039 2014-01-11 03:38
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    try this

    protected function beforeValidate() 
        {
        if(empty($this->password_confirm)) 
            {
                $this->addError('password_confirm','You crazy bot... go away');
            }
            else 
            {
                return parent::beforeValidate();
            }
        }
    

    Surely you can add error if the validation fails using $this->addError($attribute,$message);

    Here $attribute is the field name corresponding to which you want to add error and $message is the message you want to display

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