Java 经纬度计算两个点的之间的距离

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package tag;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");}}

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