mysql版本，根據經緯度定位排序sql

SELECT id,lng,lat,
ROUND(6378.138*2*ASIN(SQRT(POW(SIN((lat1*PI()/180-lat*PI()/180)/2),2)+COS(lat1*PI()/180)*COS(lat*PI()/180)*POW(SIN((lng1*PI()/180-lng*PI()/180)/2),2)))*1000)
AS
 juli
FROM address having juli > 500
ORDER BY juli Asc
LIMIT 100



lng1為自定義的經度

lat1為自定義的緯度





http://justcoding.iteye.com/blog/2224906查詢周圍10公里的方法