dineng/application/common/model/GoodsOrderItem.php

<?php
namespace app\common\model;
use think\Model;
// 订单item
class GoodsOrderItem extends Model
{
    protected  $name = 'store_order_item';

    public function getOrderItem($order_id)
    {
        $data = $this->where(['order_id'=>$order_id])->alias('o')
            ->field('o.id,o.num,o.sell_price,o.goods_spec,g.cover,g.name')
            ->leftJoin('StoreGoods g','o.goods_id = g.id')->select();
        return $data;
    }




}