根据城市名，获取sh_area表中经纬度并显示

jinpengyong

2020-08-24 11dc24b3492b034a4c40e122d08b3ceeeaa57cb6

 src/main/resources/mapper/HistoryMapper.xml

@@ -286,5 +286,10 @@
         and mac=#{mac}

         ORDER BY `time`

    </select>

    <select id="getJsonData" resultType="java.lang.String">

           select `json` from ${table}

      where  time = #{time} and mac = #{mac}

    </select>





</mapper>