1.查询警情附近人员

tangzy

2021-03-13 e38e0b2daa190580066b8bfe714a479accb799d9

 blade-service/blade-jfpts/src/main/java/org/springblade/jfpt/position/mapper/PositionMapper.xml

@@ -62,4 +62,20 @@
        SELECT count(*) FROM sys_position WHERE snumber=#{snumber}
    </select>

    <select id="selectfj" resultType="java.util.HashMap">
        SELECT
        snumber, `sname`,(
        6371 * acos (
        cos ( radians(wd) )
        * cos( radians(#{wd}) )
        * cos( radians(jd) - radians(#{jd}) )
        + sin ( radians(#{wd}) )
        * sin( radians(wd))
        )
        ) AS distance
        FROM sys_position
        HAVING distance &lt;=5
        ORDER BY distance
    </select>

</mapper>