@Test
 public void testGetCurrentOrders() {
   List<ExpressOrderVO> orders = expressorder.getCurrentOrders("0010001", CurrentOrderType.ALL);
   for (ExpressOrderVO vo : orders) {
     System.out.println(vo.order_id + "," + vo.expressType + "," + vo.price);
   }
 }
 @Test
 public void testGetArrivingOrders() {
   List<ExpressOrderVO> orders = expressorder.getArrivingOrders("0010002");
   for (ExpressOrderVO vo : orders) {
     System.out.println(vo.order_id + "," + vo.expressType + "," + vo.price);
   }
 }
 @Test
 public void testGetState() throws InvalidInputException {
   List<String> states = expressorder.getState("0000000003");
   for (String state : states) {
     System.out.println(state);
   }
 }
 @Test
 public void testGetOrder() throws InvalidInputException {
   ExpressOrderVO vo = expressorder.getOrder("0000000002");
   System.out.println(vo.order_id + "," + vo.expressType + "," + vo.price);
 }
 @Test
 public void testReceiveOrder() {
   expressorder.receiveOrder(
       new ReceiveInfo("0000000001", "小明", "2015-11-26", "000000005", "测试1"));
   // fail("尚未实现");
 }