dxtop/src/main/resources/mapper/StaffRadioMapper.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="com.usky.dxtop.mapper.StaffRadioMapper">

    <!-- 通用查询映射结果 -->
    <resultMap id="BaseResultMap" type="com.usky.dxtop.model.StaffRadio">
        <id column="id" property="id" />
        <result column="staff_id" property="staffId" />
        <result column="radio_id" property="radioId" />
    </resultMap>
    <select id="staffRadio" resultType="java.util.Map">
        select tc.identity as raType,count(sr.id) as count
        from staff_radio as sr
        right join top_radio as tc
        on sr.radio_id = tc.id
		where tc.del_flag = 0
        group by tc.identity
    </select>

</mapper>