添加对操作员的简单操作

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

@@ -1,7 +1,11 @@
 package cn.mafangui.hotel.mapper;
 
 import cn.mafangui.hotel.entity.Worker;
+import org.springframework.stereotype.Component;
 
+import java.util.List;
+
+@Component
 public interface WorkerMapper {
     int deleteByPrimaryKey(Integer workerId);
 
@@ -14,4 +18,10 @@ public interface WorkerMapper {
     int updateByPrimaryKeySelective(Worker record);
 
     int updateByPrimaryKey(Worker record);
+
+    int deleteByUserName(String userName);
+    int updateByUserNameSelective(Worker record);
+    Worker selectByUserName(String userName);
+    List<Worker> findAll();
+    Worker selectByUserNameAndPassword(Worker worker);
 }