/** 根据订单编号查看订单消耗情况 */
 @RequestMapping(value = "/getOrderBack", method = RequestMethod.GET)
 @ResponseBody
 public Object getOrderBack(long order_id) {
   String order_note = orderService.getOrderNote(order_id);
   List<Snacks> orderItems = orderItemService.getOrderitemByDefaultOrderId_4(order_id);
   List<Snacks> sellItems = orderItemService.getSellitemByOrderId_1(order_id);
   for (Snacks s : sellItems) {
     for (Snacks ss : orderItems) {
       if (ss.getSnacks_id() == s.getSnacks_id()) {
         ss.setEat_number(s.getSnacks_number());
       }
     }
   }
   JSONObject js = new JSONObject();
   js.put("order_note", order_note);
   js.put("orderItems", orderItems);
   return CommonUtil.constructResponse(1, "success", js);
 }