新增根据mac查询sensors的Mapper接口

ZhuDongming

2019-08-06 543b91f79c55687337984d39beb757648e6e73c1

 src/main/resources/mapper/DeviceMapper.xml

@@ -414,4 +414,8 @@
         </if>
      )
   </select>
	
   <select id="getLimitDataByDevice" resultType="String">
      SELECT limit_val FROM view_device_density WHERE mac = #{mac}
   </select>
</mapper>