java中根据公网IP获取地址

package com.dashan.utils.iputils;

import com.fasterxml.jackson.databind.ObjectMapper;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;
import java.util.Map;

/**
 * 从城市查询
 *
 * @author ADMIN
 */
public class AddressUtil {

    public static String getAddresses(String ip) {
        OkHttpClient httpClient = new OkHttpClient();
        String url = "http://whois.pconline.com.cn/ipJson.jsp?ip=" + ip + "&json=true";
        Request request = new Request.Builder()
                .url(url)
                .build();
        try {
            Response response = httpClient.newCall(request).execute();
            String result = response.body().string();
            ObjectMapper objectMapper = new ObjectMapper();
            Map resultMap = objectMapper.readValue(result, Map.class);
            System.out.println("ip信息：" + resultMap);
            return resultMap.get("pro") + (String) resultMap.get("city");
        } catch (Exception e) {
            e.printStackTrace();
        }
        return null;
    }

    public static void main(String[] args) {
        System.out.println(AddressUtil.getAddresses("119.127.170.99"));
    }
}