- /**
- * 计算两点之间距离
- * @param _lat1 - start纬度
- * @param _lon1 - start经度
- * @param _lat2 - end纬度
- * @param _lon2 - end经度
- * @return km(四舍五入)
- */
- public static double getDistance(double _lat1,double _lon1, double _lat2,double _lon2){
- double lat1 = (Math.PI/180)*_lat1;
- double lat2 = (Math.PI/180)*_lat2;
- double lon1 = (Math.PI/180)*_lon1;
- double lon2 = (Math.PI/180)*_lon2;
- //地球半径
- double R = 6378.1;
- double d = Math.acos(Math.sin(lat1)*Math.sin(lat2)+Math.cos(lat1)*Math.cos(lat2)*Math.cos(lon2-lon1))*R;
- return new BigDecimal(d).setScale(4,BigDecimal.ROUND_HALF_UP).doubleValue();
- }
- public static void main(String[] args) {
- System.out.println(getDistance(45.73990, 126.55893,45.73876, 126.55037));
- }
- //该片段来自于http://www.codesnippet.cn/detail/0304201512093.html
来源: http://www.codesnippet.cn/detail/0304201512093.html