互聯網有很多接口可以實現通過ip查詢到具體的位置,如下:
通過淘寶IP地址庫獲取IP位置
用java調用淘寶ip查詢接口查詢地域的一個java實例:
- 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;
- /**
- * 根據IP地址獲取詳細的地域信息
- * @project:personGocheck
- * @class:AddressUtils.java
- * @author:heguanhua E-mail:[email protected]
- * @date:Nov 14, 2012 6:38:25 PM
- */
- public class AddressUtils {
- /**
- *
- * @param content
- * 請求的參數 格式爲:name=xxx&pwd=xxx
- * @param encoding
- * 服務器端請求編碼。如GBK,UTF-8等
- * @return
- * @throws UnsupportedEncodingException
- */
- public String getAddresses(String content, String encodingString)
- throws UnsupportedEncodingException {
- // 這裏調用pconline的接口
- String urlStr = "http://ip.taobao.com/service/getIpInfo.php";
- // 從http://whois.pconline.com.cn取得IP所在的省市區信息
- String returnStr = this.getResult(urlStr, content, encodingString);
- if (returnStr != null) {
- // 處理返回的省市區信息
- System.out.println(returnStr);
- String[] temp = returnStr.split(",");
- if(temp.length<3){
- return "0";//無效IP,局域網測試
- }
- 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);// 國家
- break;
- case 3:
- area = (temp[i].split(":"))[1].replaceAll("\"", "");
- area = decodeUnicode(area);// 地區
- 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);// 市區
- break;
- case 9:
- county = (temp[i].split(":"))[1].replaceAll("\"", "");
- county = decodeUnicode(county);// 地區
- 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
- * 請求的地址
- * @param content
- * 請求的參數 格式爲:name=xxx&pwd=xxx
- * @param encoding
- * 服務器端請求編碼。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();// 新建連接實例
- connection.setConnectTimeout(2000);// 設置連接超時時間,單位毫秒
- connection.setReadTimeout(2000);// 設置讀取數據超時時間,單位毫秒
- connection.setDoOutput(true);// 是否打開輸出流 true|false
- connection.setDoInput(true);// 是否打開輸入流true|false
- connection.setRequestMethod("POST");// 提交方法POST|GET
- connection.setUseCaches(false);// 是否緩存true|false
- connection.connect();// 打開連接端口
- DataOutputStream out = new DataOutputStream(connection
- .getOutputStream());// 打開輸出流往對端服務器寫數據
- out.writeBytes(content);// 寫數據,也就是提交你的表單 name=xxx&pwd=xxx
- out.flush();// 刷新
- out.close();// 關閉輸出流
- BufferedReader reader = new BufferedReader(new InputStreamReader(
- connection.getInputStream(), encoding));// 往對端寫完數據對端服務器返回數據
- // ,以BufferedReader流來讀取
- 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();// 關閉連接
- }
- }
- return null;
- }
- /**
- * unicode 轉換成 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();
- }
- // 測試
- public static void main(String[] args) {
- AddressUtils addressUtils = new AddressUtils();
- // 測試ip 219.136.134.157 中國=華南=廣東省=廣州市=越秀區=電信
- 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);
- // 輸出結果爲:廣東省,廣州市,越秀區
- }
- }
文章來源:http://hejianke83.blog.163.com/blog/static/60765162012101694919149/