根据经纬度查询附近企业 | SQL

--第一种

SELECT
    ent_id, ent_name, longitude, latitude,
    ROUND(
        6378.138 * 2 * ASIN(
            SQRT(
                POW(
                    SIN(
                        (
                            40.042307 * PI() / 180 - latitude * PI() / 180
                        ) / 2
                    ),
                    2
                ) + COS(40.042307 * PI() / 180) * COS(latitude * PI() / 180) * POW(
                    SIN(
                        (
                            116.317205 * PI() / 180 -   longitude * PI() / 180
                        ) / 2
                    ),
                    2
                )
            )
        ) * 1000
    ) AS juli
FROM
ent
ORDER BY
    juli DESC
limit 0,100;

--第二种

SELECT
    ent_id, ent_name, longitude, latitude
FROM
ent
ORDER BY   POWER(MOD(ABS(longitude-116.317205),360),2) + POWER(ABS(latitude-40.042307),2) DESC
limit 0,100;

--根据右上角经纬度和左下角经纬度查询范围内企业

select ent_id, ent_name, longitude, latitude
      from ent
      where #{topRightLatitude,jdbcType=DECIMAL}>latitude and latitude>#{leftLowerLatitude,jdbcType=DECIMAL}
      and #{topRightLongitude,jdbcType=DECIMAL}>longitude and longitude>#{leftLowerLongitude,jdbcType=DECIMAL}