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环境
MySQL5.6
https://dev.mysql.com/doc/refman/5.6/en/spatial-relation-functions-object-shapes.html#function_st-distance
表结构及数据
DROP TABLE IF EXISTS `locationpoint`;
CREATE TABLE `locationpoint`
(`id` int(11) NOT NULL AUTO_INCREMENT,
`province` varchar(20) NOT NULL,
`city` varchar(20) NOT NULL,
`longitude` double(10, 3) NOT NULL,
`latitude` double(10, 3) NOT NULL,
PRIMARY KEY (`id`)
) ENGINE = InnoDB
AUTO_INCREMENT = 1156
DEFAULT CHARSET = utf8;
INSERT INTO `locationpoint`
VALUES (1, '山东', '济南', 116.938477, 36.597889),
(2, '河北', '石家庄', 114.477539, 38.030786),
(3, '浙江', '杭州', 120.058594, 30.334954),
(4, '河南', '郑州', 113.629, 34.744),
(5, '安徽省', '合肥', 117.170, 31.520);
查询方式
(以内蒙古自治区呼和浩特市为计算中心)
SELECT id,
city,
longitude,
latitude,
round(
(
st_distance(point(longitude, latitude),
point(111.621094, 40.913513)
) / 0.0111
) * 1000
)
AS distance
FROM locationpoint
ORDER BY distance;
查询结果
正文完
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