java计算二个经纬度间的距离(百度坐标)

<dependency>
　　<groupId>org.gavaghan</groupId>
　　<artifactId>geodesy</artifactId>
　　<version>1.1.3</version>
</dependency>

package com.test.util;

import org.gavaghan.geodesy.Ellipsoid;
import org.gavaghan.geodesy.GeodeticCalculator;
import org.gavaghan.geodesy.GeodeticCurve;
import org.gavaghan.geodesy.GlobalCoordinates;

public class CaculateDistanceTest{
    public static void main(String[] args){
        GlobalCoordinates source = new GlobalCoordinates(29.490295, 106.486654);
        GlobalCoordinates target = new GlobalCoordinates(29.615467, 106.581515);

        double meter1 = getDistanceMeter(source, target, Ellipsoid.Sphere);
        double meter2 = getDistanceMeter(source, target, Ellipsoid.WGS84);
        System.out.println("Sphere坐标系计算结果："+meter1 + "米");
        System.out.println("WGS84坐标系计算结果："+meter2 + "米");
    }

    public static double getDistanceMeter(GlobalCoordinates gpsFrom, GlobalCoordinates gpsTo, Ellipsoid ellipsoid){
        //创建GeodeticCalculator，调用计算方法，传入坐标系、经纬度用于计算距离
        GeodeticCurve geoCurve = new GeodeticCalculator().calculateGeodeticCurve(ellipsoid, gpsFrom, gpsTo);

        return geoCurve.getEllipsoidalDistance();
    }
}

Sphere 坐标系计算结果：16670.904273538607米
WGS84  坐标系计算结果：16644.154124407793米