java实现根据ip地址获取地理位置

/** ipSearchUrl=http://int.dpool.sina.com.cn/iplookup/iplookup.php?format=js&ip=（这是新浪的接口地址）  在项目中新浪的接口地址没有直接写死，而是去读属性文件。*/  public static String getIpInfoBySina(String ip){   // 读取属性文件(属性文件key-value和格式)    final String PROP_IPSEARCHURL="ipSearchUrl";    final String RET_SUCCESS="1";    final String RET="ret";    final String PROVINCE="province";    final String CITY="city";    final String DISTRICT="district";    final String ISP="isp";    String ipAddress="";    if(StringUtils.isBlank(ip)){      return null;    }    String url = SystemParamPropertyUtils.getSystemParamKeyValue(PROP_IPSEARCHURL);//这个是从属性文件中获取url，即新浪接口地址    if(StringUtils.isNotBlank(url)){      String path=url+ip;//"http://int.dpool.sina.com.cn/iplookup/iplookup.php?format=js&ip="+ip;      HttpClient httpClient = new HttpClient();      Map<String, String> paramMap = new HashMap<String, String>();      String remoteIpInfo="";            try {        remoteIpInfo = HttpClientUtil.request(httpClient, path, paramMap,"sina");      } catch (Exception e) {        e.printStackTrace();      }      if(StringUtils.isNotBlank(remoteIpInfo)){        String _ret=searchValue(remoteIpInfo, RET);        if(RET_SUCCESS.equals(_ret)){          String provinceName=searchValue(remoteIpInfo, PROVINCE);          String cityName=searchValue(remoteIpInfo, CITY);          String district=searchValue(remoteIpInfo, DISTRICT);          String isp=searchValue(remoteIpInfo, ISP);          ipAddress=provinceName+cityName+district+isp;        }      }      }    return ipAddress;  } private static String searchValue(String remoteIpInfo,String key){    String _value="";   if(StringUtils.isNotBlank(remoteIpInfo)){     _value=StringUtils.substringBetween(remoteIpInfo,"/""+key+"/":", ",");     if(StringUtils.isNotBlank(_value)){        _value=UnicodeUtils.decodeUnicode(_value);             }   }     return _value;  }

 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 * @author Lwl* @dateJan 26, 2016 */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 new StringBuffer(country).append(area).append(region).append(city).append(county).append(isp).toString();  }  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(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  *  * @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  }   }