java - 我如何通过java获取计算机的MAC地址和IP地址列表？

Question

我正在开发一个软件，我需要通过 Java 代码获取计算机的 IP 地址和 MAC 地址列表。有什么办法可以得到ip地址和mac地址列表吗？

谢谢

Answer 1

从 JDK 1.6 开始，Java 开发人员可以通过 NetworkInterface 类访问网卡详细信息。

            InetAddress ip;
    ip = InetAddress.getLocalHost();
    System.out.println("Current IP address : " + ip.getHostAddress());

    NetworkInterface network = NetworkInterface.getByInetAddress(ip);

    byte[] mac = network.getHardwareAddress();

    System.out.print("Current MAC address : ");

    StringBuilder sb = new StringBuilder();
    for (int i = 0; i < mac.length; i++) {
        sb.append(String.format("%02X%s", mac[i], (i < mac.length - 1) ? "-" : ""));        
    }
    System.out.println(sb.toString());

对于多个 IP 地址:

                    java.util.Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces();
        en.hasMoreElements(); ) {
        NetworkInterface iface = en.nextElement();
        List<InterfaceAddress> addrs = iface.getInterfaceAddresses();
        //For each network interfaces iterate through each ip address
        for(InterfaceAddress addr : addrs) {
                         ip = addr.getAddress();
                          //Process the IP ...