java获取本机IP地址，非127.0.0.1

综合了网上找的代码，整理的，Windows和Linux都可以用。

   
   
  
  
 
   
 
    
 
     
 
    
 
    
 
     
 
      private static String getHostIp(){ 
     
 
    
 
   
 
    
 
     
 
    
 
    
 
     
 
      try{ 
     
 
    
 
   
 
    
 
     
 
    
 
    
 
     

       Enumeration<NetworkInterface> allNetInterfaces = NetworkInterface.getNetworkInterfaces(); 
     
 
    
 
   
 
    
 
     
 
    
 
    
 
     
 
      while (allNetInterfaces.hasMoreElements()){ 
     
 
    
 
   
 
    
 
     
 
    
 
    
 
     

       NetworkInterface netInterface = (NetworkInterface) allNetInterfaces.nextElement(); 
     
 
    
 
   
 
    
 
     
 
    
 
    
 
     

       Enumeration<InetAddress> addresses = netInterface.getInetAddresses(); 
     
 
    
 
   
 
    
 
     
 
    
 
    
 
     
 
      while (addresses.hasMoreElements()){ 
     
 
    
 
   
 
    
 
     
 
    
 
    
 
     

       InetAddress ip = (InetAddress) addresses.nextElement(); 
     
 
    
 
   
 
    
 
     
 
    
 
    
 
     
 
      if (ip != 
      null 
     
 
    
 
   
 
    
 
     
 
    
 
    
 
     

       && ip 
      instanceof Inet4Address 
     
 
    
 
   
 
    
 
     
 
    
 
    
 
     

       && !ip.isLoopbackAddress() 
      //loopback地址即本机地址，IPv4的loopback范围是127.0.0.0 ~ 127.255.255.255 
     
 
    
 
   
 
    
 
     
 
    
 
    
 
     

       && ip.getHostAddress().indexOf( 
      ":")==- 
      1){ 
     
 
    
 
   
 
    
 
     
 
    
 
    
 
     

       System.out.println( 
      "本机的IP = " + ip.getHostAddress()); 
     
 
    
 
   
 
    
 
     
 
    
 
    
 
     
 
      return ip.getHostAddress(); 
     
 
    
 
   
 
    
 
     
 
    
 
    
 
     

       } 
     
 
    
 
   
 
    
 
     
 
    
 
    
 
     

       } 
     
 
    
 
   
 
    
 
     
 
    
 
    
 
     

       } 
     
 
    
 
   
 
    
 
     
 
    
 
    
 
     

       } 
      catch(Exception e){ 
     
 
    
 
   
 
    
 
     
 
    
 
    
 
     

       e.printStackTrace(); 
     
 
    
 
   
 
    
 
     
 
    
 
    
 
     

       } 
     
 
    
 
   
 
    
 
     
 
    
 
    
 
     
 
      return 
      null; 
     
 
    
 
   
 
    
 
     
 
    
 
    
 
     

       }