Java 使用InetAddress获取IP地址

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/*来自 

 时 代 J a v a - nowjava.com*/

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//package com.nowjava;

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import java.net.InetAddress;

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import java.net.UnknownHostException;

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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(getIPAddress());

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    }

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    public static final String IPADDRESS = "0.0.0.0";

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    public static String getIPAddress() {

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        String ip = IPADDRESS;/*n o w  j a v a  . c o m*/

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        try {

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            String ha = InetAddress.getLocalHost().getHostAddress();

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            InetAddress[] a = InetAddress.getAllByName(ha);

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            if (a.length == 1) {

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