java获取ip和地区 原

String s = HttpUtil.sendPost("http://pv.sohu.com/cityjson");
JSONObject jsonObject = JSONObject.parseObject(s.substring(s.indexOf("{"), s.indexOf("}") + 1));
jsonObject.get("cip");
jsonObject.get("cname");

/**
 * Gets ip.
 *
 * @return the ip
 */
public static String getIp() {
    String ip = null;
    try {
        String chinaz = "http://ip.chinaz.com/?nitmdw=xbnj02";
        StringBuilder builder = new StringBuilder();
        String temp;
        HttpURLConnection urlConnection = (HttpURLConnection) new URL(chinaz).openConnection();
        BufferedReader reader = new BufferedReader(new InputStreamReader(urlConnection.getInputStream(), StandardCharsets.UTF_8));
        while ((temp = reader.readLine()) != null) {
            builder.append(temp).append("\n");
        }
        reader.close();

        Pattern p = Pattern.compile(S);
        Matcher m = p.matcher(builder.toString());
        if (m.find()) {
            String ipStr = m.group(1);
            ip = ipStr;
        }
    } catch (IOException e) {
        logger.error("", e);
    }
    return ip;
}

package com.zhuoan.im.webapp.common.util;

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import org.apache.http.Consts;
import org.apache.http.HttpEntity;
import org.apache.http.NameValuePair;
import org.apache.http.ParseException;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.util.EntityUtils;
/**
 * @author weixiang.wu
 */
public class HttpUtil {

    private static final CloseableHttpClient httpclient = HttpClients.createDefault();

    /**
     * 发送HttpGet请求
     * @param url
     * @return
     */
    public static String sendGet(String url) {

        HttpGet httpget = new HttpGet(url);
        CloseableHttpResponse response = null;
        try {
            response = httpclient.execute(httpget);
        } catch (IOException e1) {
            e1.printStackTrace();
        }
        String result = null;
        try {
            HttpEntity entity = response.getEntity();
            if (entity != null) {
                result = EntityUtils.toString(entity);
            }
        } catch (ParseException | IOException e) {
            e.printStackTrace();
        } finally {
            try {
                response.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        return result;
    }

    /**
     * 发送HttpPost请求，参数为map
     * @param url
     * @param map
     * @return
     */
    public static String sendPost(String url, Map<String, String> map) {
        List<NameValuePair> formparams = new ArrayList<NameValuePair>();
        for (Map.Entry<String, String> entry : map.entrySet()) {
            formparams.add(new BasicNameValuePair(entry.getKey(), entry.getValue()));
        }
        UrlEncodedFormEntity entity = new UrlEncodedFormEntity(formparams, Consts.UTF_8);
        HttpPost httppost = new HttpPost(url);
        httppost.setEntity(entity);
        CloseableHttpResponse response = null;
        try {
            response = httpclient.execute(httppost);
        } catch (IOException e) {
            e.printStackTrace();
        }
        HttpEntity entity1 = response.getEntity();
        String result = null;
        try {
            result = EntityUtils.toString(entity1);
        } catch (ParseException | IOException e) {
            e.printStackTrace();
        }
        return result;
    }

    /**
     * 发送不带参数的HttpPost请求
     * @param url
     * @return
     */
    public static String sendPost(String url) {
        HttpPost httppost = new HttpPost(url);
        CloseableHttpResponse response = null;
        try {
            response = httpclient.execute(httppost);
        } catch (IOException e) {
            e.printStackTrace();
        }
        HttpEntity entity = response.getEntity();
        String result = null;
        try {
            result = EntityUtils.toString(entity);
        } catch (ParseException | IOException e) {
            e.printStackTrace();
        }
        return result;
    }

}