package com.doumee.core.utils.geocode;
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import com.alibaba.fastjson.JSONObject;
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import com.doumee.core.utils.Http;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.beans.factory.annotation.Value;
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import org.springframework.stereotype.Component;
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import java.io.IOException;
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import java.net.URLEncoder;
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/**
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* 高德地图工具类
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*
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* @Author : Rk
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* @create 2026/4/20
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*/
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@Slf4j
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@Component
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public class MapUtil {
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private static String amapKey;
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/** 逆地理解析 */
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private static final String GEO_URL = "https://restapi.amap.com/v3/geocode/regeo";
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/** 驾车路径规划 */
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private static final String DRIVING_URL = "https://restapi.amap.com/v3/direction/driving";
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/** 骑行路径规划 */
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private static final String BICYCLING_URL = "https://restapi.amap.com/v4/direction/bicycling";
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@Value("${geocode_map_key:}")
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public void setAmapKey(String amapKey) {
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MapUtil.amapKey = amapKey;
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}
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/**
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* 逆地理解析 - 根据经纬度获取地址信息
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* 高德坐标系为 lng,lat（与腾讯 lat,lng 相反）
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*
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* @param lat 纬度
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* @param lng 经度
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* @return 包含 ad_info 城市信息的 JSONObject（兼容腾讯返回格式）
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*/
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public static JSONObject reverseGeocode(double lat, double lng) {
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try {
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String url = GEO_URL
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+ "?key=" + amapKey
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+ "&location=" + lng + "," + lat;
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log.info("高德地图逆地理解析请求: lat={}, lng={}", lat, lng);
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JSONObject json = new Http().build(url)
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.setConnectTimeout(5000)
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.setReadTimeout(10000)
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.get()
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.toJSONObject();
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log.info("高德地图逆地理解析响应: {}", json);
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if (!"1".equals(json.getString("status"))) {
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throw new RuntimeException("高德地图逆地理解析失败: " + json.getString("info"));
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}
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// 转换为兼容腾讯返回格式: result.ad_info.city / adcode / district
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JSONObject regeocode = json.getJSONObject("regeocode");
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JSONObject addressComponent = regeocode.getJSONObject("addressComponent");
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JSONObject adInfo = new JSONObject();
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adInfo.put("adcode", addressComponent.getString("adcode"));
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adInfo.put("city", addressComponent.getString("city"));
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adInfo.put("district", addressComponent.getString("district"));
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adInfo.put("province", addressComponent.getString("province"));
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adInfo.put("nation", addressComponent.getString("country"));
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JSONObject result = new JSONObject();
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result.put("ad_info", adInfo);
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result.put("formatted_addresses", regeocode.getString("formatted_address"));
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return result;
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} catch (IOException e) {
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log.error("高德地图逆地理解析异常", e);
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throw new RuntimeException("高德地图逆地理解析异常", e);
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}
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}
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/**
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* 判断两个经纬度是否在同一个城市
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*/
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public static boolean isSameCity(double lat1, double lng1, double lat2, double lng2) {
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JSONObject result1 = reverseGeocode(lat1, lng1);
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JSONObject result2 = reverseGeocode(lat2, lng2);
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String city1 = result1.getJSONObject("ad_info").getString("city");
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String city2 = result2.getJSONObject("ad_info").getString("city");
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log.info("判断同城: ({},{}) => city={}, ({},{}) => city={}", lat1, lng1, city1, lat2, lng2, city2);
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return city1 != null && city1.equals(city2);
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}
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/**
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* 路径规划（统一入口）
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* 内部根据 mode 调用高德不同的路径规划接口
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*
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* @param mode 模式：driving(驾车)、bicycling(骑行)
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* @param from 起点，格式：lat,lng
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* @param to 终点，格式：lat,lng
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* @return JSONObject 包含 distance(米) 和 duration(秒)
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*/
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public static JSONObject direction(String mode, String from, String to) {
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// 高德坐标系为 lng,lat
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String[] fromArr = from.split(",");
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String[] toArr = to.split(",");
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String origin = fromArr[1] + "," + fromArr[0]; // lng,lat
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String destination = toArr[1] + "," + toArr[0]; // lng,lat
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try {
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String url;
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if ("bicycling".equals(mode)) {
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url = BICYCLING_URL
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+ "?key=" + amapKey
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+ "&origin=" + URLEncoder.encode(origin, "UTF-8")
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+ "&destination=" + URLEncoder.encode(destination, "UTF-8");
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} else {
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// 默认驾车
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url = DRIVING_URL
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+ "?key=" + amapKey
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+ "&origin=" + URLEncoder.encode(origin, "UTF-8")
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+ "&destination=" + URLEncoder.encode(destination, "UTF-8");
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}
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log.info("高德地图路径规划请求: mode={}, from={}, to={}", mode, from, to);
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JSONObject json = new Http().build(url)
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.setConnectTimeout(5000)
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.setReadTimeout(10000)
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.get()
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.toJSONObject();
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log.info("高德地图路径规划响应: {}", json);
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if (!"1".equals(json.getString("status"))) {
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throw new RuntimeException("高德地图路径规划失败: " + json.getString("info"));
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}
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// 提取第一条路径的 distance 和 duration
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JSONObject routeData;
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if ("bicycling".equals(mode)) {
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routeData = json.getJSONObject("data");
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} else {
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routeData = json.getJSONObject("route");
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}
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JSONObject path = routeData.getJSONArray("paths").getJSONObject(0);
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long distance = path.getLongValue("distance");
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long duration = path.getLongValue("duration");
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JSONObject result = new JSONObject();
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result.put("distance", distance);
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result.put("duration", duration);
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return result;
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} catch (IOException e) {
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log.error("高德地图路径规划异常", e);
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throw new RuntimeException("高德地图路径规划异常", e);
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}
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}
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}
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