liuhongdi@lhdpc:/data/php/admapi$ php think make:model Order
Model:appmodelOrder created successfully.

<?php
declare (strict_types = 1);
 
namespace appmodel;
 
use thinkException;
use thinkfacadeDb;
use thinkModel;
 
/**
* @mixin thinkModel
*/
class Order extends Model
{
    //类名与表名不一致时在这里指定数据表名
    protected $table = "orderInfo";
 
    public function addOrderAndGoods($orderRow,$goodsRows) {
        //启动事务
        Db::startTrans();
        try {
            $result = Db::table("orderInfo")->insert($orderRow);
            if(!$result){
                throw new Exception("insert order失败");
            }
 
            //得到orderid
            $orderId = Db::table('orderInfo')->getLastInsID();;
 
            //$z = 0;
            //$a = 100 / $z;
 
            foreach ($goodsRows as $k => $row){
                $row['orderId'] = $orderId;
                $result = Db::table("orderGoods")->insert($row);
                if(!$result){
                    throw new Exception("insert goods失败");
                }
            }
            // 提交事务
            Db::commit();
        //} catch (Exception $e){
        } catch (Throwable $e){
            // 事务回滚
            Db::rollback();
            return false;
        }
        return true;
    }
}

liuhongdi@lhdpc:/data/php/admapi$ php think make:controller Order
Controller:appcontrollerOrder created successfully. 

class Order extends BaseController
{
    /*
        创建订单
    */
    public function addOrder() {
        $orderRow = [
               "orderStatus"=>0,
               "addTime"=>date("Y-m-d H:i:s"),
               "price"=>"10.5",
               "subject"=>"订单:".date("YmdHis")."_".rand(100,999),
            ];
        $goodsRows = [
            [
                "goodsId"=>15,
                "goodsName"=>"洽洽瓜子新年1装".date("YmdHis")."_".rand(100,999),
            ],
        ];
 
        $order = new OrderModel();
        $isSucc = $order->addOrderAndGoods($orderRow,$goodsRows);
        if ($isSucc){
           return Result::Success("成功");
        }  else {
           return Result::Error(1,"报错");
        }
    }
}

http://127.0.0.1:8000/order/addorder

            //$z = 0;
            //$a = 100 / $z;

http://127.0.0.1:8000/order/addorder