java获取本机ip4地址(局域网内地址)

参考了大佬的

取的局域网内地址,并过滤掉了可能会出现的virbr0地址(192.168.122.1)

代码如下

public static String getLocalIp() throws SocketException {
          
   
        Enumeration allNetInterfaces = NetworkInterface.getNetworkInterfaces();
        while (allNetInterfaces.hasMoreElements()) {
          
   
            NetworkInterface netInterface = (NetworkInterface) allNetInterfaces.nextElement();
            Enumeration addresses = netInterface.getInetAddresses();
            while (addresses.hasMoreElements()) {
          
   
                InetAddress ip = (InetAddress) addresses.nextElement();
                if (ip != null && ip.isSiteLocalAddress() && ip instanceof Inet4Address) {
          
   
                    String ipAddress = ip.getHostAddress();
                    if ("192.168.122.1".equals(ipAddress)) {
          
   
                        continue;
                    }
                    return ipAddress;
                }
            }
        }
        return "127.0.0.1";
    }

我已经在centos7和windows虚拟机测试过了,符合预期。 欢迎大佬指出漏洞

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