diff --git a/blogserver/src/main/java/org/sang/mapper/UserMapper.java b/blogserver/src/main/java/org/sang/mapper/UserMapper.java
new file mode 100644
index 0000000..ffa89ec
--- /dev/null
+++ b/blogserver/src/main/java/org/sang/mapper/UserMapper.java
@@ -0,0 +1,33 @@
+package org.sang.mapper;
+
+import org.apache.ibatis.annotations.Mapper;
+import org.apache.ibatis.annotations.Param;
+import org.sang.bean.Role;
+import org.sang.bean.User;
+
+import java.util.List;
+
+
+@Mapper
+public interface UserMapper {
+
+    User loadUserByUsername(@Param("username") String username);
+
+    long reg(User user);
+
+    int updateUserEmail(@Param("email") String email, @Param("id") Long id);
+
+    List<User> getUserByNickname(@Param("nickname") String nickname);
+
+    List<Role> getAllRole();
+
+    int updateUserEnabled(@Param("enabled") Boolean enabled, @Param("uid") Long uid);
+
+    int deleteUserById(Long uid);
+
+    int deleteUserRolesByUid(Long id);
+
+    int setUserRoles(@Param("rids") Long[] rids, @Param("id") Long id);
+
+    User getUserById(@Param("id") Long id);
+}