java获取ip地址 java根据ip地址获取详细地域信息的方法

{“code”:0,”data”:{“ip”:”210.75.225.254”,”country”:”\u4e2d\u56fd”,”area”:”\u534e\u5317”, 
“region”:”\u5317\u4eac\u5e02”,”city”:”\u5317\u4eac\u5e02”,”county”:”“,”isp”:”\u7535\u4fe1”, 
“country_id”:”86”,”area_id”:”100000”,”region_id”:”110000”,”city_id”:”110000”, 
“county_id”:”-1”,”isp_id”:”100017”}} 

$.getScript(‘数据接口',function(){ 
//新浪：remote_ip_info.country 
})

import java.io.BufferedReader;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.net.HttpURLConnection;
import java.net.URL;
/**
 * 根据IP地址获取详细的地域信息
 * @project:personGocheck
 * @class:AddressUtils.java
 * @author:heguanhua E-mail:37809893@qq.com
 * @date：Nov 14, 2012 6:38:25 PM
 */
public class AddressUtils { 
 /**
 *
 * @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
 * @throws UnsupportedEncodingException
 */
 public String getAddresses(String content, String encodingString)
 throws UnsupportedEncodingException {
 // 这里调用pconline的接口
 String urlStr = "http://ip.taobao.com/service/getIpInfo.php";
 // 从http://whois.pconline.com.cn取得IP所在的省市区信息
 String returnStr = this.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 region = "";
   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;
    }
   }

 System.out.println(country+"="+area+"="+region+"="+city+"="+county+"="+isp);
 return region;
 }
 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 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(2000);// 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
 *
 * @author fanhui 2007-3-15
 * @param theString
 * @return
 */
 public 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) {
 AddressUtils addressUtils = new AddressUtils();
 // 测试ip 219.136.134.157 中国=华南=广东省=广州市=越秀区=电信
 String ip = "125.70.11.136";
 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：广东省,广州市,越秀区
 }
}