Java 从NetworkInterface获取IP地址

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//package com.nowjava;/** 来自 N o w  J a v a  . c o m**/

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import java.net.InetAddress;

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import java.net.NetworkInterface;

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import java.util.Enumeration;

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public class Main {

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    public static void main(String[] argv) throws Exception {

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        System.out.println(getInetAddress());

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    }

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    private static String getInetAddress() {

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        try {

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            Enumeration<NetworkInterface> interfaces = NetworkInterface

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                    .getNetworkInterfaces();/*N o w  J a v a  . c o m 提 供*/

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            InetAddress address = null;

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            while (interfaces.hasMoreElements()) {

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                NetworkInterface ni = interfaces.nextElement();

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                Enumeration<InetAddress> addresses = ni.getInetAddresses();

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                while (addresses.hasMoreElements()) {

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                    address = addresses.nextElement();

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                    if (!address.isLoopbackAddress()

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                            && address.getHostAddress().indexOf(":") == -1) {

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                        return address.getHostAddress();

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