Java获取所有网卡IP地址和MAC地址

雨点打透心脏的1/2处 2023-10-05 17:12 7阅读 0赞

import java.net.Inet6Address;
    import java.net.InetAddress;
    import java.net.NetworkInterface;
    import java.net.SocketException;
    import java.util.Enumeration;
    
    public class GetIPv4Address {
    	public static void main(String args[]) throws Exception {
    
    		try {
    			Enumeration<NetworkInterface> interfaces = NetworkInterface.getNetworkInterfaces();
    			while (interfaces.hasMoreElements()) {
    				NetworkInterface iface = interfaces.nextElement();
    				// filters out 127.0.0.1 and inactive interfaces
    				//if (iface.isLoopback() || !iface.isUp())
    				//	continue;
    
    				Enumeration<InetAddress> addresses = iface.getInetAddresses();
    				while (addresses.hasMoreElements()) {
    					InetAddress addr = addresses.nextElement();
    
    					// *EDIT*
    					if (addr instanceof Inet6Address)
    						continue;
    
    					String ip = addr.getHostAddress();
    					System.out.println(iface.getDisplayName() + " " + ip);
    				}
    			}
    		} catch (SocketException e) {
    			throw new RuntimeException(e);
    		}
    	}
    }

import java.net.NetworkInterface;
    import java.net.SocketException;
    import java.util.Enumeration;
    
    public class GetAllMacAddresses {
    
        public static void main(String[] args) throws SocketException {
            Enumeration<NetworkInterface> networkInterfaces = NetworkInterface.getNetworkInterfaces();
            while (networkInterfaces.hasMoreElements()) {
                NetworkInterface ni = networkInterfaces.nextElement();
                byte[] hardwareAddress = ni.getHardwareAddress();
                if (hardwareAddress != null) {
                    String[] hexadecimalFormat = new String[hardwareAddress.length];
                    for (int i = 0; i < hardwareAddress.length; i++) {
                        hexadecimalFormat[i] = String.format("%02X", hardwareAddress[i]);
                    }
                    System.out.println(ni.getDisplayName() + " " + String.join("-", hexadecimalFormat));
                }
            }
        }
    }