更新部分接口

src/main/java/cn/mafangui/hotel/mapper/CheckInMapper.java

@@ -7,6 +7,7 @@ import java.util.List;
 
 @Component
 public interface CheckInMapper {
+    Integer getCount();
     int deleteByPrimaryKey(Integer checkInId);
 
     int insert(CheckIn record);

src/main/java/cn/mafangui/hotel/mapper/OrderMapper.java

@@ -8,6 +8,7 @@ import java.util.List;
 
 @Component
 public interface OrderMapper {
+
     int deleteByPrimaryKey(Integer orderId);
 
     int insert(Order record);
@@ -22,6 +23,8 @@ public interface OrderMapper {
 
     int updateByPrimaryKey(Order record);
 
+    Integer getOrderCount();
+
     List<Order> selectAll();
 
     List<Order> selectByUserId(Integer userId);

src/main/java/cn/mafangui/hotel/mapper/OrderTypeMapper.java

@@ -8,6 +8,7 @@ import java.util.List;
 
 @Component
 public interface OrderTypeMapper {
+    Integer getCount();
     int deleteByPrimaryKey(Integer typeId);
 
     int insert(OrderType record);

src/main/java/cn/mafangui/hotel/mapper/RoomMapper.java

@@ -7,6 +7,7 @@ import org.springframework.stereotype.Component;
 import java.util.List;
 @Component
 public interface RoomMapper {
+    Integer getCount();
     int deleteByPrimaryKey(Integer roomId);
 
     int insert(Room record);

src/main/java/cn/mafangui/hotel/mapper/RoomTypeMapper.java

@@ -7,6 +7,7 @@ import java.util.List;
 
 @Component
 public interface RoomTypeMapper {
+    Integer getCount();
     int deleteByPrimaryKey(Integer typeId);
 
     int insert(RoomType record);

src/main/java/cn/mafangui/hotel/mapper/UserMapper.java

@@ -20,6 +20,8 @@ public interface UserMapper {
 
     int updateByPrimaryKey(User record);
 
+    Integer getUserCount();
+
     User selectByUsernameAndPassword(@Param("username") String username,@Param("password") String password);
 
     User selectByUsername(String username);

src/main/java/cn/mafangui/hotel/mapper/WorkerMapper.java

@@ -8,6 +8,7 @@ import java.util.List;
 
 @Component
 public interface WorkerMapper {
+    Integer getCount();
     int deleteByPrimaryKey(Integer workerId);
 
     int insert(Worker record);