wisdomisite-java/src/main/java/com/zhgd/xmgl/util/TiandituUtil.java

package com.zhgd.xmgl.util;

import cn.hutool.core.convert.Convert;
import cn.hutool.http.Header;
import cn.hutool.http.HttpRequest;
import lombok.extern.slf4j.Slf4j;

import java.util.regex.Matcher;
import java.util.regex.Pattern;

@Slf4j
public class TiandituUtil {
    static Pattern pattern = Pattern.compile("<distance>(.*)</distance>");

    /**
     * 查询轨迹距离
     *
     * @param orig  string	起点经纬度	是	-180,-90,180,90。
     * @param dest  string	终点经纬度	是	-180,-90,180,90。
     * @param mid   途径点经纬度字符串	否	途径点字符串格式：116.35506,39.92277;116.35506,39.92277两个坐标之间以分号隔开，坐标xy之间用逗号隔开(都是半角)。
     * @param style 导航路线类型	默认0 （0：最快路线，1：最短路线，2：避开高速，3：步行）	0-3。
     * @return 单位km
     */
    public static Double getDistance(String orig, String dest, String mid, Integer style) {
        String key = "000c3ade82b69dee54ac334e750cfac0";
        String url = "http://api.tianditu.gov.cn/drive?type=search&tk=" + key;
        //String url = "http://api.tianditu.gov.cn/drive?postStr={\"orig\":\"116.35506,39.92277\",\"dest\":\"116.39751,39.90854\",\"mid\":\"116.36506,39.91277;116.37506,39.92077\",\"style\":\"0\"}&type=search&tk=000c3ade82b69dee54ac334e750cfac0";
        log.info("查询轨迹距离:url:{}", url);
        String rs = HttpRequest.post(url)
                .header(Header.USER_AGENT, "PostmanRuntime/7.37.0")//头信息，多个头信息多次调用此方法即可
                .form("postStr", "{\"orig\":\"" + orig + "\",\"dest\":\"" + dest + "\",\"mid\":\"" + mid + "\",\"style\":\"" + style + "\"}")
                .timeout(20000)//超时，毫秒
                .execute().body();
        log.info("查询轨迹距离:rs:{}", rs);
        Matcher matcher = pattern.matcher(rs);
        matcher.find();
        return Convert.toDouble(matcher.group(1));
    }

    public static void main(String[] args) {
        Double distance = getDistance("116.35506,39.92277", "116.40332,39.90025", "116.35506,39.92277;116.35506,39.92277", 0);
        System.out.println(distance);
    }
}