线下酒店等订单增加back_amount

application/api/controller/Payment.php

@@ -65,13 +65,16 @@ class Payment extends Api
             return $this->error('请选择支付方式');
         }
 
+        $payType = $params['pay_type'];
+        $platform = $params['platform'];
+
         $model = new BillModel();
         $bill = $model->getDetail(['id'=>$params['bill_id']]);
         if (!$bill || $bill['status'] !== 0) {
             return $this->error('订单已支付');
         }
 
-        if (!$model->where('id',$params['bill_id'])->update(['pay_type'=>$params['pay_type'],'platform'=>$params['platform']])){
+        if (!$model->where('id',$params['bill_id'])->update(['pay_type'=>$payType,'platform'=>$platform])){
             return $this->error('操作失败');
         }
 
@@ -98,20 +101,20 @@ class Payment extends Api
 
         // 第三方支付下单
         $params = [
-            'type'      => $params['pay_type'],
+            'type'      => $payType,
             'orderid'   => $bill['order_no'],
             'title'     => $remark,
             'amount'    => $bill['pay_amount'],
-            'method'    => $params['platform'],
-            'notifyurl' => config('pay_notify_url') . "/api/notify/bill/pay_type/{$params['pay_type']}",
+            'method'    => $platform,
+            'notifyurl' => config('pay_notify_url') . "/api/notify/bill/pay_type/{$payType}",
             'returnurl' => '',
         ];
         // 如果是小程序则需要添加 openid
-        if ($params['pay_type'] == 'wechat' && $params['platform'] == 'miniapp') {
+        if ($payType == 'wechat' && $platform == 'miniapp') {
             $params['openid'] = $this->auth->mini_openid;
         }
         $res = Service::submitOrder($params);
-        if ($params['pay_type'] == 'wechat') {
+        if ($payType == 'wechat') {
             return $this->success('下单成功', json_decode($res, true));
         }
         return $this->success('下单成功', $res);