1、获取IP地址-工具类

  1. /**
  2.  * 获取当前服务器IP
  3.  */
  4. public class IpUtil {
  6.     /**
  7.      * 获取本机IP
  8.      * @return
  9.      * @throws UnknownHostException
  10.      */
  11.     public static String getLocalIp(){
  12.         InetAddress ia = null;
  13.         try {
  14.             ia = InetAddress.getLocalHost();
  15.         } catch (UnknownHostException e) {
  16.             e.printStackTrace();
  17.         }
  18.         return ia.getHostAddress();
  19.     }
  21.     public static String getLocalAddress() {
  22.         try {
  23.             InetAddress ip = null;
  24.             Enumeration<NetworkInterface> adds = NetworkInterface.getNetworkInterfaces();
  25.             while (adds.hasMoreElements()) {
  26.                 NetworkInterface networkInterface = adds.nextElement();
  27.                 if (networkInterface.isLoopback()) {
  28.                     continue;
  29.                 } else {
  30.                     Enumeration<InetAddress> addresses = networkInterface.getInetAddresses();
  31.                     while (addresses.hasMoreElements()) {
  32.                         ip = addresses.nextElement();
  33.                         if (ip != null && ip instanceof Inet4Address) {
  34.                             return ip.getHostAddress();
  35.                         }
  36.                     }
  37.                 }
  38.             }
  39.         } catch (Exception e) {
  40.             return null;
  41.         }
  42.         return null;
  43.     }
  45.     public static String getLocalV6Address() {
  46.         try {
  47.             InetAddress ip = null;
  48.             Enumeration<NetworkInterface> adds = NetworkInterface.getNetworkInterfaces();
  49.             while (adds.hasMoreElements()) {
  50.                 NetworkInterface networkInterface = adds.nextElement();
  51.                 if (networkInterface.isLoopback()) {
  52.                     continue;
  53.                 } else {
  54.                     Enumeration<InetAddress> addresses = networkInterface.getInetAddresses();
  55.                     while (addresses.hasMoreElements()) {
  56.                         ip = addresses.nextElement();
  57.                         if (ip != null && ip instanceof Inet6Address) {
  58.                             return ip.getHostAddress();
  59.                         }
  60.                     }
  61.                 }
  62.             }
  63.         } catch (Exception e) {
  64.             return null;
  65.         }
  66.         return null;
  67.     }
  68. }