lunix 获取指定网卡的ip

来源：互联网发布：datax3.0 java 列子编辑：程序博客网时间：2024/06/02 17:41

import java.net.InetAddress;import java.net.NetworkInterface;import java.net.SocketException;import java.util.Enumeration;public class NetworkInfo {    private final static char[] HEX = "0123456789ABCDEF".toCharArray();    public static void main(String[] args) throws SocketException {        for(Enumeration<NetworkInterface> i = NetworkInterface.getNetworkInterfaces(); i.hasMoreElements(); ) {            NetworkInterface ni = i.nextElement();            System.out.println("NETWORK CARD NAME: " + ni.getDisplayName());            System.out.println("MAC: " + toMacString(ni.getHardwareAddress()));            for(Enumeration<InetAddress> j = ni.getInetAddresses(); j.hasMoreElements(); ) {                System.out.println("   " + j.nextElement());            }        }    }    private static String toMacString(byte[] bys) {        if(bys == null) {            return null;        }        char[] chs = new char[bys.length * 3 - 1];        for(int i = 0, k = 0; i < bys.length; i++) {            if(i > 0) {                chs[k++] = '-';            }            chs[k++] = HEX[(bys[i] >> 4) & 0xf];            chs[k++] = HEX[bys[i] & 0xf];        }        return new String(chs);    }}

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