mybatis 之resultType="Map"

Map map = new HashMap();
            map.put("productTypeID", productTypeId);

            List<HashMap> productAttributeList = productsListService.getAttrByTypeID(map);    

public List<HashMap> getAttrByTypeID(Map map) {
        return commonDao.queryForList("ProductAttribute.getAttrByTypeID", map);
    }

 <select id="getAttrByTypeID" parameterType="Map" resultType="Map">
            select distinct a.attribute_id as ATTR_GROUP_ID,a.attribute_name as ATTR_GROUP_NAME,'' IS_DISPLAY from PRODUCT_ATTRIBUTE a ,ATTR_GROUP_DEF c,ATTR_GROUP_TYPE_DEF k
            where k.attr_group_id= c.attr_group_id
            and c.attribute_id = a.attribute_id
            and k.product_type_id = #{productTypeID}
    </select>