更新部分接口

src/main/java/cn/mafangui/hotel/service/OrderService.java

@@ -22,6 +22,8 @@ public interface OrderService {
 
     int cancelOrder(int orderId);
 
+    Integer getOrderCount();
+
     List<Order> selectByUserId(int userId);
 
     List<Order> AllOrders();

src/main/java/cn/mafangui/hotel/service/UserService.java

@@ -17,6 +17,8 @@ public interface UserService {
 
     int updateUser(User user);
 
+    Integer getUserCount();
+
     User selectByUsernameAndPassword(String username, String password);
 
     User selectByUsername(String username);

src/main/java/cn/mafangui/hotel/service/impl/OrderServiceImpl.java

@@ -106,6 +106,11 @@ public class OrderServiceImpl implements OrderService {
         return orderMapper.updateByPrimaryKeySelective(order);
     }
 
+    @Override
+    public Integer getOrderCount() {
+        return orderMapper.getOrderCount();
+    }
+
     @Override
     public List<Order> selectByUserId(int userId) {
         return orderMapper.selectByUserId(userId);

src/main/java/cn/mafangui/hotel/service/impl/UserServiceImpl.java

@@ -41,6 +41,11 @@ public class UserServiceImpl implements UserService {
         return userMapper.updateByPrimaryKeySelective(user);
     }
 
+    @Override
+    public Integer getUserCount() {
+        return userMapper.getUserCount();
+    }
+
     @Override
     public User selectByUsernameAndPassword(String username, String password) {
         String pass = MD5Utils.MD5Encode(password);