直接查看源码:
/** * 计算两个经纬度点之间的距离,单位:米 * * @author hxstrive.com */ public class CaculateDistance { private final static double EARTH_RADIUS = 6378.137; private static double rad(double d) { return d * Math.PI / 180.0; } /** * 根据两点间经纬度坐标(double值),计算两点间距离,单位为米 */ public static double GetDistance(double lat1, double lng1, double lat2, double lng2) { double radLat1 = rad(lat1); double radLat2 = rad(lat2); double a = radLat1 - radLat2; double b = rad(lng1) - rad(lng2); double s = 2 * Math.asin(Math.sqrt( Math.pow(Math.sin(a / 2), 2) + Math.cos(radLat1) * Math.cos(radLat2) * Math.pow(Math.sin(b / 2), 2))); s = s * EARTH_RADIUS; s = (s * 10000) / 10; return s; } public static void main(String[] args) { System.out.println("距离差" + GetDistance( 39.936625, 116.424966, 30.650303, 114.364468 ) + "米"); } }