import cn.hutool.http.HttpRequest;
import cn.hutool.http.HttpUtil;
import cn.hutool.json.JSONUtil;
import com.erp.common.constant.ExpressConstants;
import org.apache.commons.codec.binary.Hex;
import java.io.IOException;
import java.net.URLEncoder;
import java.nio.charset.StandardCharsets;
import java.security.MessageDigest;
import java.time.OffsetTime;
import java.util.*;

    /**
     * 查询京东物流路由信息
     * @param expressNum
     * @return
     */
    private String queryJDExpress(String expressNum,String phoneNumber) throws IOException, GeneralSecurityException {
        //按照API要求放置参数
        List<Map<String,Object>> list = new ArrayList<>();
        Map<String,Object> json = new HashMap<>();
        json.put("referenceNumber",expressNum);
        json.put("referenceType","20000");
        json.put("phone",phoneNumber);
        list.add(json);
        String body = JSONUtil.toJsonStr(list);

        String timestamp = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date());DateUtils.getTime();
        String content = String.join("", new String[]{
                ExpressConstants.JD_APP_SECRET,
                "access_token", ExpressConstants.JD_ACCESS_TOKEN,
                "app_key", ExpressConstants.JD_APP_KEY,
                "method", ExpressConstants.JD_QUERY_URL,
                "param_json", body,
                "timestamp", timestamp,
                "v", "2.0",
                ExpressConstants.JD_APP_SECRET});
        //md5加密签名 并转为十六进制字符串
        String sign = Hex.encodeHexString(MessageDigest.getInstance("md5").digest(content.getBytes(StandardCharsets.UTF_8)));
        String uri = ExpressConstants.JD_CALL_URL_PROD + ExpressConstants.JD_QUERY_URL;

        Map<String, String> query = new HashMap<>();
        query.put("LOP-DN", ExpressConstants.JD_DOCKING_CODE);
        query.put("access_token", ExpressConstants.JD_ACCESS_TOKEN);
        query.put("app_key", ExpressConstants.JD_APP_KEY);
        query.put("timestamp", timestamp);
        query.put("v", "2.0");
        query.put("sign", sign);
        query.put("algorithm", "md5-salt");
        //在路径上拼接参数
        StringBuilder stringBuilder = new StringBuilder();
        boolean first = true;
        for (Map.Entry<String, String> entry : query.entrySet()) {
            if (!first) {
                stringBuilder.append("&");
            } else {
                first = false;
            }
            stringBuilder.append(entry.getKey()).append("=").append(URLEncoder.encode(entry.getValue(), StandardCharsets.UTF_8.name()));
        }
        String url =  uri + "?" + stringBuilder;
        HttpRequest request = HttpUtil.createPost(url);
        int offset = OffsetTime.now().getOffset().getTotalSeconds() / 3600;
        Map<String, String> headers = new HashMap<>();
        //lop-tz代表时区，为接口调用当地的时区；删去后默认为东八区
        //headers.put("lop-tz", String.valueOf(offset));
        //用于开放平台识别客户调用API方式，客户无需修改/
        headers.put("User-Agent", "lop-http/java");
        headers.put("content-type", "application/json;charset=utf-8");
        request.addHeaders(headers);
        request.body(body);
        String result = request.execute().body();
        System.out.println("result = " + result);
        return result;
    }