java获取真实ip及真实地址工具类

　　废话不多说，直接上代码！
　　IpUtils.java类package com.fish.common.utils;  import java.net.InetAddress; import java.net.UnknownHostException; import javax.servlet.http.HttpServletRequest;  /**  * 获取IP方法  *   * @author fish  */ public class IpUtils {     public static String getIpAddr(HttpServletRequest request)     {         if (request == null)         {             return ＂unknown＂;         }         String ip = request.getHeader(＂x-forwarded-for＂);         if (ip == null || ip.length() == 0 || ＂unknown＂.equalsIgnoreCase(ip))         {             ip = request.getHeader(＂Proxy-Client-IP＂);         }         if (ip == null || ip.length() == 0 || ＂unknown＂.equalsIgnoreCase(ip))         {             ip = request.getHeader(＂X-Forwarded-For＂);         }         if (ip == null || ip.length() == 0 || ＂unknown＂.equalsIgnoreCase(ip))         {             ip = request.getHeader(＂WL-Proxy-Client-IP＂);         }         if (ip == null || ip.length() == 0 || ＂unknown＂.equalsIgnoreCase(ip))         {             ip = request.getHeader(＂X-Real-IP＂);         }          if (ip == null || ip.length() == 0 || ＂unknown＂.equalsIgnoreCase(ip))         {             ip = request.getRemoteAddr();         }          return ＂0:0:0:0:0:0:0:1＂.equals(ip) ? ＂127.0.0.1＂ : ip;     }      public static boolean internalIp(String ip)     {         byte[] addr = textToNumericFormatV4(ip);         return internalIp(addr) || ＂127.0.0.1＂.equals(ip);     }      private static boolean internalIp(byte[] addr)     {         if (StringUtils.isNull(addr) || addr.length < 2)         {             return true;         }         final byte b0 = addr[0];         final byte b1 = addr[1];         // 10.x.x.x/8         final byte SECTION_1 = 0x0A;         // 172.16.x.x/12         final byte SECTION_2 = (byte) 0xAC;         final byte SECTION_3 = (byte) 0x10;         final byte SECTION_4 = (byte) 0x1F;         // 192.168.x.x/16         final byte SECTION_5 = (byte) 0xC0;         final byte SECTION_6 = (byte) 0xA8;         switch (b0)         {             case SECTION_1:                 return true;             case SECTION_2:                 if (b1 >= SECTION_3 && b1 <= SECTION_4)                 {                     return true;                 }             case SECTION_5:                 switch (b1)                 {                     case SECTION_6:                         return true;                 }             default:                 return false;         }     }      /**      * 将IPv4地址转换成字节      *       * @param text IPv4地址      * @return byte 字节      */     public static byte[] textToNumericFormatV4(String text)     {         if (text.length() == 0)         {             return null;         }          byte[] bytes = new byte[4];         String[] elements = text.split(＂.＂, -1);         try         {             long l;             int i;             switch (elements.length)             {                 case 1:                     l = Long.parseLong(elements[0]);                     if ((l < 0L) || (l > 4294967295L)) {                         return null;                     }                     bytes[0] = (byte) (int) (l >> 24 & 0xFF);                     bytes[1] = (byte) (int) ((l & 0xFFFFFF) >> 16 & 0xFF);                     bytes[2] = (byte) (int) ((l & 0xFFFF) >> 8 & 0xFF);                     bytes[3] = (byte) (int) (l & 0xFF);                     break;                 case 2:                     l = Integer.parseInt(elements[0]);                     if ((l < 0L) || (l > 255L)) {                         return null;                     }                     bytes[0] = (byte) (int) (l & 0xFF);                     l = Integer.parseInt(elements[1]);                     if ((l < 0L) || (l > 16777215L)) {                         return null;                     }                     bytes[1] = (byte) (int) (l >> 16 & 0xFF);                     bytes[2] = (byte) (int) ((l & 0xFFFF) >> 8 & 0xFF);                     bytes[3] = (byte) (int) (l & 0xFF);                     break;                 case 3:                     for (i = 0; i < 2; ++i)                     {                         l = Integer.parseInt(elements[i]);                         if ((l < 0L) || (l > 255L)) {                             return null;                         }                         bytes[i] = (byte) (int) (l & 0xFF);                     }                     l = Integer.parseInt(elements[2]);                     if ((l < 0L) || (l > 65535L)) {                         return null;                     }                     bytes[2] = (byte) (int) (l >> 8 & 0xFF);                     bytes[3] = (byte) (int) (l & 0xFF);                     break;                 case 4:                     for (i = 0; i < 4; ++i)                     {                         l = Integer.parseInt(elements[i]);                         if ((l < 0L) || (l > 255L)) {                             return null;                         }                         bytes[i] = (byte) (int) (l & 0xFF);                     }                     break;                 default:                     return null;             }         }         catch (NumberFormatException e)         {             return null;         }         return bytes;     }      public static String getHostIp()     {         try         {             return InetAddress.getLocalHost().getHostAddress();         }         catch (UnknownHostException e)         {         }         return ＂127.0.0.1＂;     }      public static String getHostName()     {         try         {             return InetAddress.getLocalHost().getHostName();         }         catch (UnknownHostException e)         {         }         return ＂未知＂;     } }
　　获取地址类：AddressUtils.javapackage com.fish.common.utils;  import com.fish.common.constant.Constants; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import com.alibaba.fastjson.JSONObject; import com.fish.common.utils.http.HttpUtils;  /**  * 获取地址类  *   * @author fish  */ public class AddressUtils {     private static final Logger log = LoggerFactory.getLogger(AddressUtils.class);      // IP地址查询     public static final String IP_URL = ＂http://whois.pconline.com.cn/ipJson.jsp＂;      // 未知地址     public static final String UNKNOWN = ＂XX XX＂;      public static String getRealAddressByIP(String ip)     {         String address = UNKNOWN;         // 内网不查询         if (IpUtils.internalIp(ip))         {             return ＂内网IP＂;         }             try             {                 String rspStr = HttpUtils.sendGet(IP_URL, ＂ip=＂ + ip + ＂&json=true＂, Constants.GBK);                 if (StringUtils.isEmpty(rspStr))                 {                     log.error(＂获取地理位置异常 {}＂, ip);                     return UNKNOWN;                 }                 JSONObject obj = JSONObject.parseObject(rspStr);                 String region = obj.getString(＂pro＂);                 String city = obj.getString(＂city＂);                 return String.format(＂%s %s＂, region, city);             }             catch (Exception e)             {                 log.error(＂获取地理位置异常 {}＂, e);             }         return address;     } }