MYSQL关于两个经纬度之间的距离由近及远排序_MySQL
来源：动视网
责编：小采
时间：2020-11-09 18:54:20
MYSQL关于两个经纬度之间的距离由近及远排序_MySQL
MYSQL关于两个经纬度之间的距离由近及远排序_MySQL:bitsCN.com select *,(2 * 6378.137* ASIN(SQRT(POW(SIN(PI()*(111.86141967773438-lat)/360),2)+COS(PI()*33.07078170776367/180)* COS(lat * PI()/180)*POW(SIN(PI()*(33.07078170776367-lng)/360),2)))) as juli from `area` order by juli asc limit 0,20
导读MYSQL关于两个经纬度之间的距离由近及远排序_MySQL:bitsCN.com select *,(2 * 6378.137* ASIN(SQRT(POW(SIN(PI()*(111.86141967773438-lat)/360),2)+COS(PI()*33.07078170776367/180)* COS(lat * PI()/180)*POW(SIN(PI()*(33.07078170776367-lng)/360),2)))) as juli from `area` order by juli asc limit 0,20
bitsCN.com
select *,(2 * 6378.137* ASIN(SQRT(POW(SIN(PI()*(111.86141967773438-lat)/360),2)+COS(PI()*33.07078170776367/180)* COS(lat * PI()/180)*POW(SIN(PI()*(33.07078170776367-lng)/360),2)))) as juli from `area`
order by juli asc limit 0,20
差不多就是这样的,做个记录
但是我觉得这样还是很慢，因为我的坐标都是通过百度获取的，我的想法是能够转成平面坐标更好，这样更好计算
bitsCN.com
MYSQL关于两个经纬度之间的距离由近及远排序_MySQL
MYSQL关于两个经纬度之间的距离由近及远排序_MySQL:bitsCN.com select *,(2 * 6378.137* ASIN(SQRT(POW(SIN(PI()*(111.86141967773438-lat)/360),2)+COS(PI()*33.07078170776367/180)* COS(lat * PI()/180)*POW(SIN(PI()*(33.07078170776367-lng)/360),2)))) as juli from `area` order by juli asc limit 0,20
