ip地址查询工具类-蒲公英云

ip地址查询工具类

使用java查找ip地址的省市区，使用淘宝的ip地址库http://ip.taobao.com/index.php

package com.common.util;
import java.net.InetAddress;
import java.net.NetworkInterface;
import java.util.Enumeration;
import java.util.Map;
import java.util.regex.Pattern;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.google.common.collect.Maps;
/**
 * IP地址实用类
 */
public class IpAddressUtil {
  private static final String LOCALHOST = "127.0.0.1";
  private static final String ANYHOST = "0.0.0.0";
  private static final Pattern IP_PATTERN = Pattern.compile("\\d{1,3}(\\.\\d{1,3}){3,5}$");
  public static void main(String[] args) {
    System.out.println(getIpRegion("***.***.***.**"));
  }
  /**
   * 获取指定IP的区域位置
   */
  public static String getIpRegion(String ip){
    String urlStr = "http://ip.taobao.com/service/getIpInfo.php";
    Map<String, Object> params = Maps.newHashMap();
    params.put("ip", ip);
    String returnStr = HttpUtil.doPost(urlStr, params);
    if (returnStr != null) {
      String[] temp = returnStr.split(",");
      if (temp.length < 3) {
        return "本地";
      }
      JSONObject jsonObject = JSON.parseObject(returnStr).getJSONObject("data");
      String region = jsonObject.getString("region");
      String city = jsonObject.getString("city");
      String isp = jsonObject.getString("isp");
      return region + city + "[" + isp+"]";
    }
    return null;
  }
    /**
     * 遍历本地网卡，返回第一个合理的IP。
     *
     * @return 本地网卡IP
     */
  public static String getLocalAddress() {
        String localIp = LOCALHOST;
        try {
            Enumeration<NetworkInterface> interfaces = NetworkInterface.getNetworkInterfaces();
            if (interfaces != null) {
                while (interfaces.hasMoreElements()) {
                    try {
                        NetworkInterface network = interfaces.nextElement();
                        Enumeration<InetAddress> addresses = network.getInetAddresses();
                        while (addresses.hasMoreElements()) {
                            try {
                                InetAddress address = addresses.nextElement();
                                if (isValidAddress(address)) {
                                    return address.getHostAddress();
                                }
                            } catch (Throwable e) {
                                e.printStackTrace();
                            }
                        }
                    } catch (Throwable e) {
                        e.printStackTrace();
                    }
                }
            }
        } catch (Throwable e) {
            e.printStackTrace();
        }
        return localIp;
    }
    private static boolean isValidAddress(InetAddress address) {
        if (address == null || address.isLoopbackAddress())
            return false;
        String name = address.getHostAddress();
        return (name != null && !ANYHOST.equals(name) && !LOCALHOST.equals(name) && IP_PATTERN.matcher(name).matches());
    }
}