经纬度距离公式_经纬度差的计算

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(30.535275, 114.352175,30.5352806, 114.3521917) + "米");
	}
}

=2*6378.137*ASIN(SQRT(POWER(SIN((F2*PI()/180-H2*PI()/180)/2),2)+COS(F2*PI()/180)*COS(H2*PI()/180)*POWER(SIN((G2*PI()/180-I2*PI()/180)/2),2)))*100000