trends/worklife/crm/backend/modules/user/controllers/BaseController.php

<?php
namespace backend\modules\user\controllers;

use yii\web\Controller;

class BaseController extends Controller
{
    /**
     * 获取当前登录人的member_id
     */
    public function getMemberId()
    {
        return \Yii::$app->getUser()->getId();
    }
}