redis关于地理信息坐标距离计算的工具类.zip

/** * * @Description 获取两个成员之间的距离 * @Date 16:52 2021/6/24 * @Param [key, member1, member2] * @return java.lang.Double **/ public Double getDistance(Object key,Object member1,Object member2){ GeoOperations geoOperations = stringRedisTemplate.opsForGeo(); Distance distance = geoOperations.distance(key, member1, member2); return distance.getValue(); } /** * * @Description 获取成员的坐标 * @Date 17:57 2021/6/24 * @Param [key, members] * @return java.util.List<org.springframework.data.geo.Point> **/ public List<Point> getPoints(String key,String...members){ List<Point> points = stringRedisTemplate.opsForGeo().position(key,members); return points; } /** * 依据给定地理名称获取指定范畴内的地理位置汇合 * @param member 名称 * @param distance 间隔范畴 * @param args {@link RedisGeoCommands.GeoRadiusCommandArgs} 限度返回的个数和排序形式, 能够是 null * @return */ public GeoResults<RedisGeoCommands.GeoLocation<String>> getMemberRadius(String key, String member, Distance distance, RedisGeoCommands.GeoRadiusCommandArgs args) { GeoOperations<String, String> ops = stringRedisTemplate.opsForGeo(); return args == null ? ops.radius(key, member, distance) : ops.radius(key, member, distance, args); } /** * 依据给定地理坐标获取指定范畴内的地理位置汇合 * @param within 坐标 * @param distance 间隔范畴 * @param args {@link RedisGeoCommands.GeoRadiusCommandArgs} 限度返回的个数和排序形式, 能够是 null * @return */ public GeoResults<RedisGeoCommands.GeoLocation<String>> getPointRadius(String key,Circle within, RedisGeoCommands.GeoRadiusCommandArgs args) { GeoOperations<String, String> ops = stringRedisTemplate.opsForGeo(); return args == null ? ops.radius(key, within) : ops.radius(key, within, args); } /** * 获取某个地理名称的 geohash 值 * @param serviceStations 给定油站 key * @return city geohashs * */ public List<String> getServiceStationGeoHash(String key,String[] serviceStations) { GeoOperations<String, String> ops = stringRedisTemplate.opsForGeo(); return ops.hash(key, serviceStations); }