wanyue_app/app/model/OrderReturn.php

<?php

namespace app\model;

use support\Model;

class OrderReturn extends Model
{
    protected $table = 'order_return';

    protected $primaryKey = 'orders_return_id';

    protected $dateFormat = 'U';

    const CREATED_AT = 'order_return_addtimes';

    const UPDATED_AT = null;

    public function member()
    {
        return $this->hasOne(Member::class, 'member_id', 'join_return_member_id');
    }
    public function cert()
    {
        return $this->hasOne(MemberCert::class, 'join_cert_member_id', 'join_return_member_id');
    }

    public function order()
    {
        return $this->hasOne(Order::class, 'order_id', 'join_return_order_id');
    }
}