mybatis映射集合，嵌套查询

public interface PhoneMapper {
    List<String> queryPhoneNameByIds(String userId);
}
<select id="queryPhoneNameByIds" resultType="String">
    SELECT p.phone_name
    FROM phone p
    WHERE p.user_id = #{userId}
</select>

public interface AddressMapper {
    List<String> queryAddressByUserId(String userId);
}
<select id="queryAddressByUserId" resultType="String">
    SELECT a.address
    FROM address a
    WHERE a.user_id = #{userId}
</select>

<resultMap type="com.example.model.User" id="userResultMap">
    <!-- 基本字段映射 -->
    <result property="id" column="id" jdbcType="VARCHAR"/>
    <result property="userName" column="user_name" jdbcType="VARCHAR"/>
    <result property="createTime" column="create_time" jdbcType="TIMESTAMP"/>
    <result property="updateTime" column="update_time" jdbcType="TIMESTAMP"/>
    <!-- 关联集合字段 -->
    <collection property="phoneNameList" 
                select="com.example.mapper.PhoneMapper.queryPhoneNameByIds" 
                column="id"/>

    <collection property="addressList" 
                select="com.example.mapper.AddressMapper.queryAddressByUserId" 
                column="id"/>
</resultMap>

<select id="queryUserInfo" resultMap="userResultMap">
    SELECT 
        u.id, 
        u.user_name, 
        u.create_time, 
        u.update_time
    FROM user u
    WHERE u.id = #{userId}
</select>