frontend\models\ChangePasswordForm::rules PHP Method

    public function rules()
    {
        return [[['password', 'passwordRepeat'], 'required'], [['password', 'passwordRepeat'], 'string', 'min' => 6, 'max' => 24], [['password', 'passwordRepeat'], 'match', 'pattern' => '/^\\S+$/'], ['password', 'validatePassword'], ['passwordRepeat', 'compare', 'compareAttribute' => 'password', 'message' => '两次密码不一致。']];
    }