ris_dm/server/application/common/base/dao/BaseDao.php

<?php
namespace app\common\base\dao;
abstract class BaseDao {
    public function __construct() {
        $this->beforeInit();
        $this->zskkInit();
        $this->afterInit();
    }

    protected function zskkInit() {}
    protected function beforeInit() {}
    protected function afterInit() {}
}