修复map-page地图不显示问题

ZhuDongming

2019-11-12 fdc3b40f19e487604341c661eec471bf9ac45279

 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>