计算两个经纬度坐标之间的距离值
import java.util.*; import java.math.*; /** * 计算两个经纬度坐标之间的距离值 * src: https://blog.csdn.net/zhuxiaoping54532/article/details/53671641 */ public class test1 { private final static double EARTH_RADIUS = 6378.137; public static void main(String[] args) { double lat1, lng1, lat2, lng2; Scanner scanner = new Scanner(System.in); while (true) { System.out.println("Please input lat1, lng1, lat2, lng2: "); lat1 = scanner.nextDouble(); lng1 = scanner.nextDouble(); lat2 = scanner.nextDouble(); lng2 = scanner.nextDouble(); System.out.println("1,2两点的距离为:" + getDistance(lat1, lng1, lat2, lng2)); } } // deg2rad private static double rad(double d) { return d * Math.PI / 180.0; } 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 * 10000) / 10000; return s; } }