使用 淘宝 接口，根据公网ip 获取地理信息

1.  源码，点击查看

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;
import java.util.List;
import java.util.Map;

public class GetLocationByIP {
    @Test
    public void IpUtils(){
        String s = ipToCountry("223.73.41.129");
        System.out.println(s);
    }

    //通过公网ip获取地理信息
    public static String ipToCountry(String ip){
        //淘宝
        String taobao  = "http://ip.taobao.com/service/getIpInfo.php?ip=";
        String website= taobao+ip;
        String read="";
        URL url=null;
        HttpURLConnection urlConnection=null;
        BufferedReader in=null;
        try {
            url=new URL(website);
            urlConnection=(HttpURLConnection)url.openConnection();
            in=new BufferedReader(new InputStreamReader(urlConnection.getInputStream(),"UTF-8"));
            read=in.readLine();
        } catch (MalformedURLException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }finally{
            if (in!=null){
                try {
                    in.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
        return read;
//        Map readMap = FastJson.getJson().parse(read, Map.class);
//        Map data = FastJson.getJson().parse(readMap.get("data").toString(), Map.class);
//        return data.get("country").toString();
    }
}

2 . 测试截图

 3 .缺点 ：

（1）频繁请求，会导致报错 502

（2）如果不提供公网 ip 参数，会导致返回数据 无有效数据