hebei-chengben-car/common/filters/FrontEndLoginedFilter.php

<?php
namespace app\common\filters;
use Yii;
use yii\base\ActionFilter;
class FrontEndLoginedFilter extends ActionFilter
{
    public function beforeAction($action)
    {
        $identityInfo = Yii::$app->controller->getIdentityInfo();
        if(!empty($identityInfo)&&is_array($identityInfo))
        {
            if(sys_auth($identityInfo['cookieHash'],'DECODE')==$identityInfo['user_name'])
            {
                Yii::$app->controller->showMessage(array('class'=>'info','message'=>'您已经登录，不用重新登录！','url'=>\app\common\components\SiteUrl::home(),'time'=>3000));
                return false;
            }
        }
        return true;
    }


}