Mysql 拿指定经纬度与数据库多条经纬度进行距离计算

公式如下,单位米:
第一点经纬度:lng1 lat1
第二点经纬度:lng2 lat2
round(6378.138*2*asin(sqrt(pow(sin(
(lat1*pi()/180-lat2*pi()/180)/2),2)+cos(lat1*pi()/180)*cos(lat2*pi()/180)*
 
pow(sin( (lng1*pi()/180-lng2*pi()/180)/2),2)))*1000)
 
 
例如:
SELECT store_id,lng,lat,
ROUND(6378.138*2*ASIN(SQRT(POW(SIN((22.299439*PI()/180-lat*PI()/180)/2),2)+COS(22.299439*PI()/180)*COS(lat*PI()/180)*POW(SIN((114.173881*PI()/180-lng*PI()/180)/2),2)))*1000)
AS
 juli
FROM store_info having juli > 500
ORDER BY juli DESC
LIMIT 100

猜你喜欢

转载自blog.csdn.net/qq_32440951/article/details/82017635
今日推荐