完成订单信息接口编写

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

@@ -0,0 +1,20 @@
+package cn.mafangui.hotel.service;
+
+import cn.mafangui.hotel.entity.Order;
+
+import java.util.List;
+
+public interface OrderService {
+
+    int insert(Order order);
+
+    int delete(Integer orderId);
+
+    Order selectById(Integer orderId);
+
+    int update(Order record);
+
+    List<Order> selectByUserId(int userId);
+
+    List<Order> selectAll();
+}

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

@@ -21,4 +21,6 @@ public interface UserService {
 
     List<User> selectAll();
 
+    List<User> selectAllUser();
+
 }

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

@@ -0,0 +1,46 @@
+package cn.mafangui.hotel.service.impl;
+
+import cn.mafangui.hotel.entity.Order;
+import cn.mafangui.hotel.mapper.OrderMapper;
+import cn.mafangui.hotel.service.OrderService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+
+@Service
+public class OrderServiceImpl implements OrderService {
+
+    @Autowired
+    private OrderMapper orderMapper;
+
+    @Override
+    public int insert(Order order) {
+        return orderMapper.insertSelective(order);
+    }
+
+    @Override
+    public int delete(Integer orderId) {
+        return orderMapper.deleteByPrimaryKey(orderId);
+    }
+
+    @Override
+    public Order selectById(Integer orderId) {
+        return orderMapper.selectByPrimaryKey(orderId);
+    }
+
+    @Override
+    public int update(Order order) {
+        return orderMapper.updateByPrimaryKeySelective(order);
+    }
+
+    @Override
+    public List<Order> selectByUserId(int userId) {
+        return orderMapper.selectByUserId(userId);
+    }
+
+    @Override
+    public List<Order> selectAll() {
+        return orderMapper.selectAll();
+    }
+}

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

@@ -47,4 +47,9 @@ public class UserServiceImpl implements UserService {
     public List<User> selectAll() {
         return userMapper.selectAll();
     }
+
+    @Override
+    public List<User> selectAllUser() {
+        return userMapper.selectAllUser();
+    }
 }