diff --git a/blogserver/src/main/java/org/sang/mapper/RolesMapper.java b/blogserver/src/main/java/org/sang/mapper/RolesMapper.java
new file mode 100644
index 0000000..3ec193b
--- /dev/null
+++ b/blogserver/src/main/java/org/sang/mapper/RolesMapper.java
@@ -0,0 +1,15 @@
+package org.sang.mapper;
+
+import org.apache.ibatis.annotations.Mapper;
+import org.apache.ibatis.annotations.Param;
+import org.sang.bean.Role;
+
+import java.util.List;
+
+
+@Mapper
+public interface RolesMapper {
+    int addRoles(@Param("roles") String[] roles, @Param("uid") Long uid);
+
+    List<Role> getRolesByUid(Long uid);
+}