package com.yeshi.location.app.utils;
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import com.yeshi.location.app.entity.location.SimpleLocationInfo;
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/**
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* @author hxh
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* @title: GeoUtils
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* @description: 地理工具类
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* @date 2021/11/19 18:31
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*/
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public class GeoUtils {
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/**
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* @return double
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* @author hxh
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* @description 获取两个坐标间的距离
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* @date 18:34 2021/11/19
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* @param: loc1
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* @param: loc2
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**/
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public static double getDistance(SimpleLocationInfo loc1, SimpleLocationInfo loc2) {
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double radlat1 = Math.toRadians(loc1.getLatitude().doubleValue());
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double radlat2 = Math.toRadians(loc2.getLatitude().doubleValue());
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double a = radlat1 - radlat2;
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double b = Math.toRadians(loc1.getLongitude().doubleValue()) - Math.toRadians(loc2.getLongitude().doubleValue());
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double s = 2 * Math.asin(Math.sqrt(Math.pow(Math.sin(a / 2), 2) + Math.cos(radlat1)
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* Math.cos(radlat2) * Math.pow(Math.sin(b / 2), 2)));
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s = s * 6378137.0;// 取wgs84标准参考椭球中的地球长半径(单位:m)
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s = Math.round(s * 10000) / 10000;
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return s;
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}
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}
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