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Java 获取所有分配的IP的映射

欢马劈雪

工程师 (已认证)

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获取所有分配的IP地址与其相应广播地址的映射

实例源码：

源代码：

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/* 来自 n o w j a v a . c o m*/

/* The MIT License (MIT)

Permission is hereby granted, free of charge, to any person obtaining a copy of

this software and associated documentation files (the "Software"), to deal in

the Software without restriction, including without limitation the rights to

use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of

the Software, and to permit persons to whom the Software is furnished to do so,

subject to the following conditions:

The above copyright notice and this permission notice shall be included in all

copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS

FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR

IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN

CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.*/

//package com.nowjava;

import java.net.InetAddress;

import java.net.InterfaceAddress;

import java.net.NetworkInterface;

import java.net.SocketException;

import java.util.Enumeration;

import java.util.HashMap;

import java.util.Iterator;

public class Main {

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

System.out.println(getAllIPsAndAssignedBroadcastAddresses());

}

/** Get a mapping of all assigned IP-addresses to their according broadcast addresses

* @return a mapping of all assigned IP-addresses to their according broadcast addresses

* @throws SocketException */// 来自 时代Java公众号

public static HashMap<InetAddress, InetAddress> getAllIPsAndAssignedBroadcastAddresses()

throws SocketException {

HashMap<InetAddress, InetAddress> ipAndBroadcastAddresses = new HashMap<InetAddress, InetAddress>();

Enumeration<?> networkInterfaces;

networkInterfaces = NetworkInterface.getNetworkInterfaces();

while (networkInterfaces.hasMoreElements()) {

NetworkInterface networkInterface = (NetworkInterface) networkInterfaces

.nextElement();

if (networkInterface != null && !networkInterface.isLoopback()

&& networkInterface.isUp()) {

Iterator<?> it = networkInterface.getInterfaceAddresses()

.iterator();

while (it.hasNext()) {
/**代码未完, 请加载全部代码(NowJava.com).**/

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本文系作者在时代Java发表，未经许可，不得转载。如有侵权，请联系nowjava@qq.com删除。

编辑于 2020-03-26 09:23:272020-03-26 09:23:27

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