java获取客户端登陆地址信息(国家、省份、城市等)

原文：java获取客户端登陆地址信息(国家、省份、城市等)

源代码下载地址：http://www.zuidaima.com/share/1550463687658496.htm

java获取客户端登陆地址信息(国家、省份、城市等)

 /**  * @param urlStr  *            请求的地址  * @param content  * @author www.zuidaima.com  *            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(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; }  /**  * @Title: decodeUnicode   * @author kaka    * @Description: unicode转换成中文     * @param @param theString  * @param @return      * @return String     * @throws  */ 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();} /**  *   * @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 static String getAddresses(String content, String encodingString) throws UnsupportedEncodingException { String result = null;  StringBuffer sb = new StringBuffer(); // 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 = getResult(urlStr, content, encodingString);  if (returnStr != null) {  // 处理返回的省市区信息   String[] temp = returnStr.split(",");   if(temp.length<3){   return "0";//无效IP，局域网测试   }       String country = "";      String area = "";      String region = "";      String city = "";      String county = "";      String isp = "";      Boolean flag = false;     for(int i=0;i<temp.length;i++){     if(flag){     return result;     }     switch(i){      case 1:     country = (temp[i].split(":"))[2].replaceAll("\"", "");      country = decodeUnicode(country);//国家      if(country.equals("未分配或者内网IP")){     flag = true;     sb.append(country);     result = sb.toString();     break;     }     sb.append("国家:");     sb.append(country);     sb.append(",");     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      sb.append("省份:");     sb.append(region);     sb.append(",");     break;      case 7:     city = (temp[i].split(":"))[1].replaceAll("\"", "");      city = decodeUnicode(city);//市区      sb.append("城市:");     sb.append(city);     sb.append(",");     break;      case 9:     county = (temp[i].split(":"))[1].replaceAll("\"", "");      county = decodeUnicode(county);//地区     sb.append("地区:");     sb.append(county);     break;      case 11:     isp = (temp[i].split(":"))[1].replaceAll("\"", "");      isp = decodeUnicode(isp);//ISP公司      break;      }     }    result = sb.toString();  }   return result; }