## 示例代码
```
<?php
/**
* +----------------------------------------------------------------------
* | 草帽支付系统 [ WE CAN DO IT JUST THINK ]
* +----------------------------------------------------------------------
* | Copyright (c) 2018 http://www.iredcap.cn All rights reserved.
* +----------------------------------------------------------------------
* | Licensed ( https://www.apache.org/licenses/LICENSE-2.0 )
* +----------------------------------------------------------------------
* | Author: Brian Waring <BrianWaring98@gmail.com>
* +----------------------------------------------------------------------
*/
namespace app\common\model;
use app\common\library\exception\OrderException;
use think\Db;
use think\Log;
class Orders extends BaseModel
{
/**
* 订单状态检查
*
* @author 勇敢的小笨羊 <brianwaring98@gmail.com>
*
* @param $orderNo
* @return Orders|null
* @throws OrderException
* @throws \think\exception\DbException
*/
public function checkOrderValid($orderNo)
{
$order = self::get(['trade_no' => $orderNo]);
if (!$order) {
throw new OrderException([
'msg' => 'Order Do Not Exist',
'errorCode' => 200002
]);
}
if ($order['status'] === 2) {
throw new OrderException([
'msg' => 'Order Error',
'errorCode' => 200003,
'code' => 400
]);
}
return $order;
}
/**
* 获取平台订单
*
* @author 勇敢的小笨羊 <brianwaring98@gmail.com>
*
* @param string $tradeOrderNo 平台订单号
* @return Orders|bool|null
* @throws \think\exception\DbException
*/
public function getTradeOrder($tradeOrderNo){
$order = self::get(['trade_no' => $tradeOrderNo]);
if ($order) {
return $order;
}
return false;
}
/**
* 获取商户订单
*
* @author 勇敢的小笨羊 <brianwaring98@gmail.com>
*
* @param string $outTradeOrderNo 商户订单号
* @return Orders|bool|null
* @throws \think\exception\DbException
*/
public function getOutTradeOrder($outTradeOrderNo){
$order = self::get(['out_trade_no' => $outTradeOrderNo]);
if ($order) {
return $order;
}
return false;
}
/**
* 改变订单状态
*
* @author 勇敢的小笨羊 <brianwaring98@gmail.com>
*
* @param array $where
* @param array $data
*/
public function changeOrderStatusValue($data = [],$where = []){
self::allowField(true)->save($data, $where);
}
}
```
