Articles under the label of 数据

[记录] 数据库中,根据经纬度,查询距离最近的地点

方案1通过 SQL 语句查询，数据库 ： mysqlER 图查询语句： SELECT * FROM city c2 WHERE (lat > 28.10656 - 1 AND lat < 28.10656 + 1 AND lon > 114.4458 - 1 AND lon < 114.4458 + 1) ORDER BY ACOS(SIN(2...