获取本地id/hostname

最新推荐文章于 2023-12-20 12:14:40 发布

原创最新推荐文章于 2023-12-20 12:14:40 发布 · 263 阅读

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#java

该代码段用于获取本地主机名、IPv4、IPv6地址，并遍历所有网络接口收集Inet4Address类型的IP地址，输出到控制台。程序首先添加了硬编码的IP和主机名，然后尝试获取本地主机的IP和主机名，最后枚举所有网络接口并添加IPv4地址和主机名到列表。

public static String localhost = "localhost";
public static String localhostIp = "127.0.0.1";
public static String localhostIpV6 = "0:0:0:0:0:0:0:1";

public static List<String> ipList = new ArrayList<String>();

   static {
       ipList.add(localhost);
       ipList.add(localhostIp);
       ipList.add(localhostIpV6);
       try {
           InetAddress address = InetAddress.getLocalHost();
           ipList.add(address.getHostAddress());
           ipList.add(address.getHostName());
       } catch (Exception e) {
           e.printStackTrace();
       }
       try{
           Enumeration<NetworkInterface> networkInterfaces = NetworkInterface.getNetworkInterfaces();
           NetworkInterface networkInterface;
           Enumeration<InetAddress> inetAddresses;
           InetAddress inetAddress;
           String ip;
           String name;
           while (networkInterfaces.hasMoreElements()) {
               networkInterface = networkInterfaces.nextElement();
               inetAddresses = networkInterface.getInetAddresses();
               while (inetAddresses.hasMoreElements()) {
                   inetAddress = inetAddresses.nextElement();
                   if (inetAddress != null && inetAddress instanceof Inet4Address) {
                       ip = inetAddress.getHostAddress();
                       name = inetAddress.getHostName();
                       ipList.add(ip);
                       ipList.add(name);
                   }
               }
           }
       } catch (Exception e) {
           e.printStackTrace();
       }
       for(String ipStr : ipList){
           System.out.println("security filter ip: " + ipStr);
       }
   }