package com.ruoyi.system.service.impl;
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import com.alibaba.fastjson2.JSONObject;
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import com.ruoyi.common.utils.http.HttpUtils;
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import com.ruoyi.common.config.BaiduMapConfig;
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import com.ruoyi.system.service.IMapService;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Service;
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import java.net.URLEncoder;
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import java.nio.charset.StandardCharsets;
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import java.util.HashMap;
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import java.util.Map;
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/**
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* 百度地图服务实现
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*
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* @author ruoyi
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*/
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@Service("baiduMapService")
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public class BaiduMapServiceImpl implements IMapService {
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private static final Logger logger = LoggerFactory.getLogger(BaiduMapServiceImpl.class);
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@Autowired
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private BaiduMapConfig baiduMapConfig;
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/**
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* 地址转GPS坐标（地理编码）
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*
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* @param address 地址
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* @param city 城市（可选，用于提高解析准确性）
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* @return GPS坐标，包含lng和lat，如果获取失败返回null
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*/
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@Override
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public Map<String, Double> geocoding(String address, String city) {
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// 如果地址为空，直接返回null
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if (address == null || address.trim().isEmpty()) {
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return null;
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}
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try {
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// 构建百度地图地理编码API URL
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String url = "https://api.map.baidu.com/geocoding/v3/";
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String params = "address=" + URLEncoder.encode(address, StandardCharsets.UTF_8.toString()) +
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(city != null && !city.trim().isEmpty() ?
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"&city=" + URLEncoder.encode(city, StandardCharsets.UTF_8.toString()) : "") +
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"&output=json" +
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"&ak=" + baiduMapConfig.getAk();
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logger.info("百度地图地理编码请求: address={}, city={}", address, city);
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// 发送HTTP请求
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String response = HttpUtils.sendGet(url, params);
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// 解析响应
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JSONObject jsonObject = JSONObject.parseObject(response);
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if (jsonObject.getInteger("status") != 0) {
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logger.warn("百度地图地理编码失败: address={}, status={}, message={}",
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address, jsonObject.getInteger("status"), jsonObject.getString("message"));
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return null;
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}
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// 提取坐标
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JSONObject result = jsonObject.getJSONObject("result");
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JSONObject location = result.getJSONObject("location");
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double lng = location.getDouble("lng");
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double lat = location.getDouble("lat");
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logger.info("百度地图地理编码成功: address={}, lng={}, lat={}", address, lng, lat);
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Map<String, Double> coordinates = new HashMap<>();
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coordinates.put("lng", lng);
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coordinates.put("lat", lat);
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return coordinates;
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} catch (Exception e) {
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// 捕获所有异常，避免影响主流程
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logger.error("百度地图地理编码异常: address=" + address, e);
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return null;
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}
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}
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@Override
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public String reverseGeocoding(double lng, double lat) {
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//调用百度地址反向解析接口
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String url = "https://api.map.baidu.com/reverse_geocoding/v3/";
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String params = "location=" + lat + "," + lng +
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"&output=json" +
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"&ak=" + baiduMapConfig.getAk();
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String response = HttpUtils.sendGet(url, params);
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//"{\"status\":0,\"result\":{\"location\":{\"lng\":113.25330399999999,\"lat\":23.04668300960378},\"formatted_address\":\"广东省佛山市南海区桂城街道\",\"edz\":{\"name\":\"\"},\"business\":\"\",\"business_info\":[],\"addressComponent\":{\"country\":\"中国\",\"country_code\":0,\"region_code_iso\":\"CHN\",\"country_code_iso\":\"CHN\",\"country_code_iso2\":\"CN\",\"province\":\"广东省\",\"city\":\"佛山市\",\"city_level\":2,\"district\":\"南海区\",\"town\":\"桂城街道\",\"town_code\":\"440605011\",\"distance\":\"\",\"direction\":\"\",\"adcode\":\"440605\",\"street\":\"\",\"street_number\":\"\"},\"pois\":[],\"roads\":[],\"poiRegions\":[],\"sematic_description\":\"\",\"formatted_address_poi\":\"\",\"cityCode\":138}}"
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JSONObject jsonObject = JSONObject.parseObject(response);
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if (jsonObject.getInteger("status") != 0) {
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logger.warn("百度地图地址反向解析失败: lng={}, lat={}, status={}, message={}",
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lng, lat, jsonObject.getInteger("status"), jsonObject.getString("message"));
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return null;
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}
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String address = jsonObject.getJSONObject("result").getString("formatted_address");
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logger.info("百度地图地址反向解析成功: lng={}, lat={}, address={}", lng, lat, address);
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return address;
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}
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}
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