<?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="com.persagy.dao.RoleMapper">
    <select id="findNameById" parameterType="int" resultType="string">
        SELECT a.role_name FROM role a WHERE  role_id=#{roleId}
    </select>
</mapper>
