diff --git a/src/main/java/mpms/test/dao/UserMapper.java b/src/main/java/mpms/test/dao/UserMapper.java
new file mode 100644
index 0000000000000000000000000000000000000000..c6848f270460f7cfe670b50fed88f40c865cdc93
--- /dev/null
+++ b/src/main/java/mpms/test/dao/UserMapper.java
@@ -0,0 +1,23 @@
+package io.jpom.test.dao;
+
+import io.jpom.test.pojo.MyUser;
+import org.apache.ibatis.annotations.Mapper;
+import org.springframework.stereotype.Repository;
+
+import java.util.List;
+
+@Mapper
+@Repository
+public interface UserMapper {
+
+	int addUser(MyUser user);
+
+	int deleteUserById(int id);
+
+	int updateUser(MyUser user);
+
+	MyUser queryUserById(int id);
+
+	List<MyUser> queryAllUser();
+
+}