淘宝api：
package com.ebways.mq.utils;import com.alibaba.fastjson.JSON;import com.ebways.common.utils.StringUtils;import java.io.*;import java.net.HttpURLConnection;import java.net.URL;import java.util.HashMap;import java.util.Map;/** * Created by gmq on 2016/10/09 0009. */public class TaoBaoIpAddressUtils { /** * 根据ip获得该ip的地区信息 * * @param ip * @return * @throws UnsupportedEncodingException */ public static String getAddressByIp(String ip) throws UnsupportedEncodingException { if (StringUtils.isEmpty(ip)) { return ""; } String encodingString = "utf-8"; return getAddresses("ip=" + ip, encodingString); } /** * 根据ip获得该ip的地区信息 * * @param ip * @param encodingString * @return * @throws UnsupportedEncodingException */ public static String getAddressByIp(String ip, String encodingString) throws UnsupportedEncodingException { if (StringUtils.isEmpty(ip)) { return ""; } if (StringUtils.isEmpty(encodingString)) { encodingString = "utf-8"; } return getAddresses("ip=" + ip, encodingString); } /** * @param content 请求的参数 格式为：name=xxx&pwd=xxx * @param encodingString 服务器端请求编码。如GBK,UTF-8等 * @return * @throws UnsupportedEncodingException */ private static String getAddresses(String content, String encodingString) throws UnsupportedEncodingException { // 这里调用taobao的接口 String urlStr = "http://ip.taobao.com/service/getIpInfo.php"; // 从http://ip.taobao.com/取得IP所在的省市区信息 String returnStr = getResult(urlStr, content, encodingString); if (returnStr != null) { // 处理返回的省市区信息 //System.out.println(returnStr); String[] temp = returnStr.split(","); if (temp.length < 3) { return "0";//无效IP，局域网测试 } String region = (temp[5].split(":"))[1].replaceAll("\"", ""); region = decodeUnicode(region);// 省份 String country = ""; String area = ""; String city = ""; String county = ""; String isp = ""; for (int i = 0; i < temp.length; i++) { switch (i) { case 1: country = (temp[i].split(":"))[2].replaceAll("\"", ""); country = decodeUnicode(country);// 国家 break; case 3: area = (temp[i].split(":"))[1].replaceAll("\"", ""); area = decodeUnicode(area);// 地区 break; case 5: region = (temp[i].split(":"))[1].replaceAll("\"", ""); region = decodeUnicode(region);// 省份 break; case 7: city = (temp[i].split(":"))[1].replaceAll("\"", ""); city = decodeUnicode(city);// 市区 break; case 9: county = (temp[i].split(":"))[1].replaceAll("\"", ""); county = decodeUnicode(county);// 地区 break; case 11: isp = (temp[i].split(":"))[1].replaceAll("\"", ""); isp = decodeUnicode(isp); // ISP公司 break; } } Map map = new HashMap<>(); map.put("country", country); map.put("area", area); map.put("region", region); map.put("city", city); map.put("county", county); map.put("isp", isp); String resultJson = ""; resultJson = JSON.toJSONString(map); return resultJson; } return null; } /** * @param urlStr 请求的地址 * @param content 请求的参数 格式为：name=xxx&pwd=xxx * @param encoding 服务器端请求编码。如GBK,UTF-8等 * @return */ private static String getResult(String urlStr, String content, String encoding) { URL url = null; HttpURLConnection connection = null; try { url = new URL(urlStr); connection = (HttpURLConnection) url.openConnection();// 新建连接实例 connection.setConnectTimeout(2000);// 设置连接超时时间，单位毫秒 connection.setReadTimeout(33000);// 设置读取数据超时时间，单位毫秒 connection.setDoOutput(true);// 是否打开输出流 true|false connection.setDoInput(true);// 是否打开输入流true|false connection.setRequestMethod("POST");// 提交方法POST|GET connection.setUseCaches(false);// 是否缓存true|false connection.connect();// 打开连接端口 DataOutputStream out = new DataOutputStream(connection.getOutputStream());// 打开输出流往对端服务器写数据 out.writeBytes(content);// 写数据,也就是提交你的表单 name=xxx&pwd=xxx out.flush();// 刷新 out.close();// 关闭输出流 BufferedReader reader = new BufferedReader(new InputStreamReader( connection.getInputStream(), encoding));// 往对端写完数据对端服务器返回数据 // ,以BufferedReader流来读取 StringBuffer buffer = new StringBuffer(); String line = ""; while ((line = reader.readLine()) != null) { buffer.append(line); } reader.close(); return buffer.toString(); } catch (IOException e) { e.printStackTrace(); } finally { if (connection != null) { connection.disconnect();// 关闭连接 } } return null; } /** * unicode 转换成 中文 * * @param theString * @return * @author fanhui 2007-3-15 */ private static String decodeUnicode(String theString) { char aChar; int len = theString.length(); StringBuffer outBuffer = new StringBuffer(len); for (int x = 0; x < len; ) { aChar = theString.charAt(x++); if (aChar == '\\') { aChar = theString.charAt(x++); if (aChar == 'u') { int value = 0; for (int i = 0; i < 4; i++) { aChar = theString.charAt(x++); switch (aChar) { case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9': value = (value << 4) + aChar - '0'; break; case 'a': case 'b': case 'c': case 'd': case 'e': case 'f': value = (value << 4) + 10 + aChar - 'a'; break; case 'A': case 'B': case 'C': case 'D': case 'E': case 'F': value = (value << 4) + 10 + aChar - 'A'; break; default: throw new IllegalArgumentException( "Malformed encoding."); } } outBuffer.append((char) value); } else { if (aChar == 't') { aChar = '\t'; } else if (aChar == 'r') { aChar = '\r'; } else if (aChar == 'n') { aChar = '\n'; } else if (aChar == 'f') { aChar = '\f'; } outBuffer.append(aChar); } } else { outBuffer.append(aChar); } } return outBuffer.toString(); } // 测试 public static void main(String[] args) { TaoBaoIpAddressUtils addressUtils = new TaoBaoIpAddressUtils(); // 测试ip 58.209.121.6 中国-华东-江苏省-苏州市-电信 String ip = "58.209.121.6"; String address = ""; try { address = addressUtils.getAddresses("ip=" + ip, "utf-8"); } catch (UnsupportedEncodingException e) { // TODO Auto-generated catch block e.printStackTrace(); } System.out.println(address); // 输出结果为：中国-华东-江苏省-苏州市-电信 }}