xixie/application/common/model/DatumIntro.php

<?php
namespace app\common\model;
use think\Model;
// 资料
class DatumIntro extends Model
{
    public function urlArr()
    {
        return $this->hasMany('DatumUrl','datum_id')->field('id,datum_id,title,url,sort,is_vip,transmit_num,down_num,read_num')->where('is_deleted',0)->order('sort desc');
    }

}