public class LocationUtils {

private static double EARTH_RADIUS = 6378.137;private static double rad(double d) {    return d * Math.PI / 180.0;}/** * 通过经纬度获取距离(单位：米) *  * @param lat1 * @param lng1 * @param lat2 * @param lng2 * @return 距离 */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 = Math.round(s * 10000d) / 10000d;    s = s * 1000;    return s;}public static void main(String[] args) {    double distance = getDistance(34.2675560000, 108.9534750000,            34.2464320000, 108.9534750000);    System.out.println("距离" + distance / 1000 + "公里");}

}