使用 java.net.InterfaceAddress 获取网卡信息详解编程语言

import java.net.InterfaceAddress; 
import java.net.NetworkInterface; 
import java.net.SocketException; 
import java.util.Enumeration; 
import java.util.Iterator; 
import java.util.List; 
  
public class NetworkParameterDemo { 
  public static void main(String[] args) throws Exception { 
    Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces(); 
    while (en.hasMoreElements()) { 
      NetworkInterface ni = en.nextElement(); 
      printParameter(ni); 
  
    } 
  } 
  
  public static void printParameter(NetworkInterface ni) throws SocketException { 
    System.out.println(/" Name = /" + ni.getName()); 
    System.out.println(/" Display Name = /" + ni.getDisplayName()); 
    System.out.println(/" Is up = /" + ni.isUp()); 
    System.out.println(/" Support multicast = /" + ni.supportsMulticast()); 
    System.out.println(/" Is loopback = /" + ni.isLoopback()); 
    System.out.println(/" Is virtual = /" + ni.isVirtual()); 
    System.out.println(/" Is point to point = /" + ni.isPointToPoint()); 
    System.out.println(/" Hardware address = /" + ni.getHardwareAddress()); 
    System.out.println(/" MTU = /" + ni.getMTU()); 
  
    System.out.println(/"//nList of Interface Addresses:/"); 
    List<InterfaceAddress> list = ni.getInterfaceAddresses(); 
    Iterator<InterfaceAddress> it = list.iterator(); 
  
    while (it.hasNext()) { 
      InterfaceAddress ia = it.next(); 
      System.out.println(/" Address = /" + ia.getAddress()); 
      System.out.println(/" Broadcast = /" + ia.getBroadcast()); 
      System.out.println(/" Network prefix length = /" + ia.getNetworkPrefixLength()); 
      System.out.println(/"/"); 
    } 
  } 
}