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Java 获取广播IP地址。

欢马劈雪

工程师 (已认证)

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获取广播IP地址。

实例源码：

源代码：

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* The full license specifying the redistribution, modification, usage and other

* rights and obligations is included with the distribution of this project in

* the file "LICENSE-CAJ". If the license is not included visit Cosylab web site,

* <http://www.cosylab.com>.

* THIS SOFTWARE IS PROVIDED AS-IS WITHOUT WARRANTY OF ANY KIND, NOT EVEN THE

* IMPLIED WARRANTY OF MERCHANTABILITY. THE AUTHOR OF THIS SOFTWARE, ASSUMES

* _NO_ RESPONSIBILITY FOR ANY CONSEQUENCE RESULTING FROM THE USE, MODIFICATION,

* OR REDISTRIBUTION OF THIS SOFTWARE.

//package com.nowjava;
/**
nowjava
**/

import java.net.InetSocketAddress;

import java.net.InterfaceAddress;

import java.net.NetworkInterface;

import java.net.SocketException;

import java.util.ArrayList;

import java.util.Enumeration;

import java.util.Iterator;

import java.util.List;

public class Main {

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

int port = 2;//nowjava.com - 时  代  Java 提供

System.out.println(java.util.Arrays

.toString(getBroadcastAddresses(port)));

}

/**

* Get broadcast addresses.

* @param port port to be added to get socket address.

* @return array of broadcast addresses with given port.

public static InetSocketAddress[] getBroadcastAddresses(int port) {

Enumeration nets;

try {

nets = NetworkInterface.getNetworkInterfaces();

} catch (SocketException se) {

// fallback

return new InetSocketAddress[] { new InetSocketAddress(

"255.255.255.255", port) };

}

ArrayList list = new ArrayList(10);

while (nets.hasMoreElements()) {

NetworkInterface net = (NetworkInterface) nets.nextElement();

//if (net.isUp())

{

List interfaceAddresses = net.getInterfaceAddresses();

Iterator iter = interfaceAddresses.iterator();

while (iter.hasNext()) {

InterfaceAddress addr = (InterfaceAddress) iter.next();

if (addr.getBroadcast() != null) {
/**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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