package com.ruoyi.common.core.utils;
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import com.alibaba.fastjson2.JSONArray;
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import com.alibaba.fastjson2.JSONObject;
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import com.baomidou.mybatisplus.core.toolkit.ObjectUtils;
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import com.ruoyi.common.core.domain.Result;
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import com.ruoyi.common.core.enums.GaoDeEnum;
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import com.ruoyi.common.core.vo.GaoDeMap;
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import java.io.BufferedReader;
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import java.io.IOException;
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import java.io.InputStreamReader;
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import java.net.URL;
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import java.net.URLConnection;
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import java.nio.charset.StandardCharsets;
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/**
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* @author HJL
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*/
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public class GaoDeMapUtil {
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/**
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* 功能描述: 高德地图Key
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*/
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private static final String GAO_DE_KEY = "3f00f94b6e9f470a5c6f510c3df814ea";
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//申请的账户Key
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/**
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* 功能描述: 根据地址名称得到两个地址间的距离
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*
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* @param start 起始位置
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* @param end 结束位置
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* @return long 两个地址间的距离
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* @author isymikasan
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*/
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public static Long getDistanceByAddress(String start, String end) {
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String startLonLat = getLonLat(start).getDatas();
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String endLonLat = getLonLat(end).getDatas();
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return Long.valueOf(getDistance(startLonLat, endLonLat).getDatas().toString());
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}
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/**
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* 功能描述: 地址转换为经纬度
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*
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* @param address 地址
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* @return 经纬度
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*/
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public static Result<String> getLonLat(String address) {
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try {
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// 返回输入地址address的经纬度信息, 格式是 经度,纬度
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String queryUrl = "http://restapi.amap.com/v3/geocode/geo?key=" + GAO_DE_KEY + "&address=" + address;
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// 高德接口返回的是JSON格式的字符串
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String queryResult = getResponse(queryUrl);
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JSONObject job = JSONObject.parseObject(queryResult);
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JSONObject json = JSONObject
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.parseObject(
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job.get("geocodes").toString().substring(1, job.get("geocodes").toString().length() - 1));
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String lngAndLat = json.get("location").toString();
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return Result.succeed(lngAndLat, "经纬度转换成功！");
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} catch (Exception e) {
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return Result.failed(e.toString());
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}
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}
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/**
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* 将经纬度 转换为 地址
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*
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* @param longitude 经度
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* @param latitude 纬度
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* @return 地址名称
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*/
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public static Result<String> getAddress(String longitude, String latitude) {
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String url;
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try {
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url = "http://restapi.amap.com/v3/geocode/regeo?output=JSON&location=" + longitude + "," + latitude
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+ "&key=" + GAO_DE_KEY + "&radius=0&extensions=base";
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// 高德接口返回的是JSON格式的字符串
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String queryResult = getResponse(url);
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if (ObjectUtils.isNull(queryResult)) {
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return Result.failed("查询结果为空");
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}
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// 将获取结果转为json 数据
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JSONObject obj = JSONObject.parseObject(queryResult);
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if (obj.get(GaoDeEnum.STATUS.getCode()).toString().equals(GaoDeEnum.INT_ONE.getCode())) {
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// 如果没有返回-1
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JSONObject reGeoCode = obj.getJSONObject(GaoDeEnum.RE_GEO_CODE.getCode());
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if (reGeoCode.size() > 0) {
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// 在regeocode中拿到 formatted_address 具体位置
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String formatted = reGeoCode.get("formatted_address").toString();
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return Result.succeed(formatted, "地址获取成功！");
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} else {
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return Result.failed("未找到相匹配的地址！");
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}
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} else {
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return Result.failed("请求错误！");
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}
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} catch (Exception e) {
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e.printStackTrace();
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return Result.failed("系统未知异常，请稍后再试");
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}
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}
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/**
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* 功能描述: 根据两个定位点的经纬度算出两点间的距离
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* 经纬度格式为: 经度,纬度
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*
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* @param startLonLat 起始经纬度
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* @param endLonLat 结束经纬度（目标经纬度）
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* @return 两个定位点之间的距离
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*/
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public static Result<Long> getDistance(String startLonLat, String endLonLat) {
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// 返回起始地startAddr与目的地endAddr之间的距离，单位：米
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String queryUrl =
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"http://restapi.amap.com/v3/distance?key=" + GAO_DE_KEY + "&origins=" + startLonLat
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+ "&destination="
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+ endLonLat;
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String queryResult = getResponse(queryUrl);
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JSONObject job = JSONObject.parseObject(queryResult);
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JSONArray ja = job.getJSONArray("results");
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JSONObject jobO = JSONObject.parseObject(ja.getString(0));
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long result = Long.parseLong(jobO.get("distance").toString());
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return Result.succeed(result, "距离计算成功！");
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}
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/**
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* 功能描述: 发送请求
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*
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* @param serverUrl 请求地址
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* @return 请求结果
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*/
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private static String getResponse(String serverUrl) {
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// 用JAVA发起http请求，并返回json格式的结果
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StringBuilder result = new StringBuilder();
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try {
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URL url = new URL(serverUrl);
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URLConnection conn = url.openConnection();
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BufferedReader in = new BufferedReader(new InputStreamReader(conn.getInputStream()));
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String line;
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while ((line = in.readLine()) != null) {
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result.append(line);
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}
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in.close();
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} catch (IOException e) {
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e.printStackTrace();
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}
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return result.toString();
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}
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/**
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* 从出发地触发到目的地路线规划
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*
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* @param origin 出发地经纬度
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* @param destination 目的地经纬度
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* @return 路线规划信息
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*/
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public static Object routing(String origin, String destination) {
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String baseUrl = "https://restapi.amap.com/v3/direction/driving?origin=%s&destination=%s" +
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"&extensions=all&output=json&key=%s";
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String requestUrl = String.format(baseUrl, origin, destination, GAO_DE_KEY);
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StringBuilder json = new StringBuilder();
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try {
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URL url = new URL(requestUrl);
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URLConnection urlConnection = url.openConnection();
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BufferedReader in = new BufferedReader(new InputStreamReader(urlConnection.getInputStream(),
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StandardCharsets.UTF_8));
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String inputLine;
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while ((inputLine = in.readLine()) != null) {
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json.append(inputLine);
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}
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in.close();
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} catch (IOException ignored) {
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}
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String data = json.toString();
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GaoDeMap gaoDeMap = JSONObject.parseObject(data, GaoDeMap.class);
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return gaoDeMap.getRoute().getPaths().get(0);
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}
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}
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