ai-china-southern-power-grid-new/src/main/resources/mapper/RegionalWeatherDataMapper.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">

<!-- namespace 必须 = Mapper 接口全类名 -->
<mapper namespace="com.southern.power.grid.dao.RegionalWeatherDataMapper">

</mapper>