diff --git a/blogserver/target/classes/org/sang/mapper/RolesMapper.xml b/blogserver/target/classes/org/sang/mapper/RolesMapper.xml
new file mode 100644
index 0000000..2aba6b4
--- /dev/null
+++ b/blogserver/target/classes/org/sang/mapper/RolesMapper.xml
@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<!DOCTYPE mapper
+        PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
+        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="org.sang.mapper.RolesMapper">
+    <insert id="addRoles">
+        INSERT INTO roles_user VALUES
+        <foreach collection="roles" item="role" separator=",">
+            (null,#{role},#{uid})
+        </foreach>
+    </insert>
+    <select id="getRolesByUid" parameterType="long" resultType="org.sang.bean.Role">
+        SELECT r.* FROM roles r,roles_user ru WHERE r.`id`=ru.`rid` AND ru.`uid`=#{uid}
+    </select>
+</mapper>
\ No newline at end of file