@GetMapping("/selectIp") public HashMap<String, String> selectIp() { String ipHostAddress = ""; 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 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().contains(":")) { logger.info("本机的IP = " + ip.getHostAddress()); ipHostAddress = ip.getHostAddress(); } } } } catch (Exception e) { e.printStackTrace(); } HashMap<String, String> hashMap = new HashMap<>(); hashMap.put("ip", ipHostAddress); return hashMap; }
参考链接:https://blog.csdn.net/u010295735/article/details/74645653