--通过经纬度计算两点之间的距离 create FUNCTION [dbo].[fnGetDistanceNew] --LatBegin 开始经度 --LngBegin 开始维度 --29.490295,106.486654,29.615467, 106.581515 (), ),)) Returns real AS BEGIN --转换location字段,防止字段太长.影响SQL美观 declare @LatBegin REAL declare @LngBegin REAL declare
package xxx.driver.business.utils; /** * <p>Represents a point on the surface of a sphere. (The Earth is almost * spherical.)</p> * * <p>To create an instance, call one of the static methods fromDegrees() or * fromRadians().</p> *
#include<iostream> #include<cstdio> using namespace std; int main() { double a, b, x, y; while (cin >> a && cin >> b && cin >> x && cin >> y) { double ans = sqrt((x - a)*(x - a) + (y - b)*(y - b)
js版-胡老师 google.maps.LatLng.prototype.distanceFrom = function(latlng) { var lat = [this.lat(), latlng.lat()] var lng = [this.lng(), latlng.lng()] var R = 6378137; var dLat = (lat[1] - lat[0]) * Math.PI / 180; var dLng = (lng[1] - lng[0