完成入住登记接口编写

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

@@ -1,7 +1,11 @@
 package cn.mafangui.hotel.mapper;
 
 import cn.mafangui.hotel.entity.CheckIn;
+import org.springframework.stereotype.Component;
 
+import java.util.List;
+
+@Component
 public interface CheckInMapper {
     int deleteByPrimaryKey(Integer checkInId);
 
@@ -11,7 +15,12 @@ public interface CheckInMapper {
 
     CheckIn selectByPrimaryKey(Integer checkInId);
 
+    int updateByRoomNumber(String roomNumber);
+
     int updateByPrimaryKeySelective(CheckIn record);
 
     int updateByPrimaryKey(CheckIn record);
+
+    List<CheckIn> selectAll();
+
 }