添加无人机实时查询最大值和最小值的Mapper接口

ZhuDongming

2019-08-15 f1c8a918c9e5ff4c91748269ae837d8f17c28511

 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>