80 lines
2.8 KiB
Java
80 lines
2.8 KiB
Java
package cn.iocoder.yudao.util;
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public final class DistanceUtil {
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public static Double getDistance(double longitude1, double latitude1, double longitude2, double latitude2) {
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if (longitude1 == 0 || latitude1 == 0 || latitude2 == 0 || longitude2 == 0) {
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return 0d;
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}
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longitude1 *= 0.01745329251994329;
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latitude1 *= 0.01745329251994329;
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longitude2 *= 0.01745329251994329;
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latitude2 *= 0.01745329251994329;
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double var1 = Math.sin(longitude1);
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double var2 = Math.sin(latitude1);
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double var3 = Math.cos(longitude1);
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double var4 = Math.cos(latitude1);
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double var5 = Math.sin(longitude2);
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double var6 = Math.sin(latitude2);
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double var7 = Math.cos(longitude2);
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double var8 = Math.cos(latitude2);
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double[] var10 = new double[3];
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double[] var20 = new double[3];
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var10[0] = var4 * var3;
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var10[1] = var4 * var1;
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var10[2] = var2;
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var20[0] = var8 * var7;
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var20[1] = var8 * var5;
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var20[2] = var6;
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Double distance = Math.asin(Math.sqrt((var10[0] - var20[0]) * (var10[0] - var20[0]) + (var10[1] - var20[1]) * (var10[1] - var20[1]) + (var10[2] - var20[2]) * (var10[2] - var20[2])) / 2.0) * 1.27420015798544E7;
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return distance/1000;
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}
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/**
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* 方法四：（高德地图计算方法）
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*
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* @param longitude1 第一点的经度
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* @param latitude1 第一点的纬度
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* @param longitude2 第二点的经度
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* @param latitude2 第二点的纬度
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* @return 返回的距离，单位m
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*/
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public static Long getDistanceMeter(double longitude1, double latitude1, double longitude2, double latitude2) {
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if (longitude1 == 0 || latitude1 == 0 || latitude2 == 0 || longitude2 == 0) {
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return 0L;
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}
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longitude1 *= 0.01745329251994329;
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latitude1 *= 0.01745329251994329;
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longitude2 *= 0.01745329251994329;
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latitude2 *= 0.01745329251994329;
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double var1 = Math.sin(longitude1);
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double var2 = Math.sin(latitude1);
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double var3 = Math.cos(longitude1);
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double var4 = Math.cos(latitude1);
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double var5 = Math.sin(longitude2);
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double var6 = Math.sin(latitude2);
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double var7 = Math.cos(longitude2);
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double var8 = Math.cos(latitude2);
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double[] var10 = new double[3];
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double[] var20 = new double[3];
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var10[0] = var4 * var3;
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var10[1] = var4 * var1;
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var10[2] = var2;
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var20[0] = var8 * var7;
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var20[1] = var8 * var5;
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var20[2] = var6;
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Double distance = Math.asin(Math.sqrt((var10[0] - var20[0]) * (var10[0] - var20[0]) + (var10[1] - var20[1]) * (var10[1] - var20[1]) + (var10[2] - var20[2]) * (var10[2] - var20[2])) / 2.0) * 1.27420015798544E7;
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return distance.longValue();
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}
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}
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