//根据网卡取本机配置的IP
      Enumeration netInterfaces=NetworkInterface.getNetworkInterfaces();
      InetAddress ip = null;
   while(netInterfaces.hasMoreElements())
   {
    NetworkInterface ni=(NetworkInterface)netInterfaces.nextElement();
    System.out.println(ni.getName());
    ip=(InetAddress) ni.getInetAddresses().nextElement();
    if( !ip.isSiteLocalAddress()
    && !ip.isLoopbackAddress()
    && ip.getHostAddress().indexOf(\":\")==-1)
    {
     System.out.println(\"本机的ip=\" + ip.getHostAddress());
     break;
    }
    else
    {
                   ip=null;
       }
   }