phpstock/app/txx/model/PlatformYouzan.php

<?php
declare (strict_types = 1);

namespace app\txx\model;

use app\admin\model\GoodBasic;
use app\admin\model\Platform;
use think\model;

/**
 * @mixin \think\Model
 */
class PlatformYouzan extends Model
{

    public function good(){
        return $this->belongsTo(GoodBasic::class,"spuCode","spuCode")
        ->bind(["good_name","cat_id","is_exclusive","brand_id","good_img","good_unit","unit_name","brand_name","cat_name",'cat_search']);
    }

    public function platform(){
        return $this->belongsTo(Platform::class,"platform_id","id")->bind(["platform_name"]);
    }

    public function yzGood(){
        return $this->belongsTo(YzGood::class,"skuCode","item_no")->bind(["origin_price"=>"origin","deatil_url","yz_status"=>"status"]);
    }
}