point_mall_card/application/common/model/AdvertPos.php

<?php
namespace app\common\model;
use think\Model;

class AdvertPos extends Model{

    public function getTypeTextAttr($value,$data){
        $text = ['1'=>'图片','2'=>'视频'];
        $type = $data['type'];
        return isset($text[$type])?$text[$type]:$type;
    }
}