target/classes/mappers/RoleMapper.xml

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<?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.sums.dao.RoleMapper">

    <!-- 通用查询映射结果 -->
    <resultMap id="BaseResultMap" type="com.sums.entity.Role">
        <id column="role_id" property="roleId" />
        <result column="role_name" property="roleName" />
        <result column="description" property="description" />
    </resultMap>

    <select id="findByMemberId" resultMap="BaseResultMap">
        SELECT r.role_id,r.role_name,r.description FROM `role` r
            LEFT JOIN member_role mr ON r.role_id = mr.role_id WHERE mr.member_id=#{mId}
    </select>

    <update id="alter">
        ALTER TABLE `role` AUTO_INCREMENT =1;
    </update>

    <delete id="deleteRolePerById">
        delete from role_per where role_id=#{roleId}
    </delete>

    <insert id="updateRoleByFun">
        INSERT INTO role_per (role_id,fun_id) values
        <foreach collection="list" item="id"  separator=",">
                (#{roleId},
                #{id})
        </foreach>
    </insert>



</mapper>