TSysPowerMapper.xml

<?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="cn.wise.sc.acquisition.business.mapper.TSysPowerMapper">

    <select id="getPowerByRole" resultType="cn.wise.sc.acquisition.business.entity.TSysPower">
        select p.*
        from T_Sys_Power p
        left join T_Sys_RolePower rp on rp.PowerID = p.ID
        where rp.RoleID = #{params.roleId}
    </select>

</mapper>