public function init()
{
parent::init();
if ($this->message === null) {
$this->message = $this->integerOnly ? Yii::t('yii', '{attribute} must be an integer.') : Yii::t('yii', '{attribute} must be a number.');
}
if ($this->min !== null && $this->tooSmall === null) {
$this->tooSmall = Yii::t('yii', '{attribute} must be no less than {min}.');
}
if ($this->max !== null && $this->tooBig === null) {
$this->tooBig = Yii::t('yii', '{attribute} must be no greater than {max}.');
}
}