private static String getLocalIP() throws SocketException {
??Enumeration<NetworkInterface> netInterfaces = NetworkInterface.getNetworkInterfaces();
??InetAddress rtip = null;
??while (netInterfaces.hasMoreElements()) {
???NetworkInterface ni = netInterfaces.nextElement();
???logger.info("interface name:" + ni.getName());
???Enumeration<InetAddress> addresses = ni.getInetAddresses();
???while(addresses.hasMoreElements()){
????InetAddress ip = addresses.nextElement();
????if (ip!=null && !ip.isLoopbackAddress() && ip instanceof Inet4Address) {
?????logger.info("本机的ip=" + ip.getHostAddress());
?????rtip = ip;
?????break;
????}
???}
???if(rtip!=null){
????break;
???}
??}
??if(rtip!=null){
???return rtip.getHostAddress();
??}else{
???return null;
??}
?}