public boolean saveOrder(Order order) {
   try {
     baseDao.save(order);
   } catch (Exception e) {
     e.printStackTrace();
     return false;
   }
   return true;
 }
 public boolean saveOrderDetail(OrderDetail detail) {
   try {
     baseDao.save(detail);
   } catch (Exception e) {
     e.printStackTrace();
     return false;
   }
   return true;
 }