【转】java获取本地机器所有IP和物…

转自：http://yingjunjia.iteye.com/blog/839456

java代码

package com.cn;

import java.io.BufferedReader;

import java.io.IOException;

import java.io.InputStreamReader;

import java.net.InetAddress;

import java.net.NetworkInterface;

import java.net.SocketException;

import java.net.UnknownHostException;

import java.util.ArrayList;

import java.util.Enumeration;

import java.util.List;

public class Test001 {

//  获取本机所有IP

 

private static String[] getAllLocalHostIP() {

List res = new ArrayList();

Enumeration netInterfaces;

try {

netInterfaces = NetworkInterface.getNetworkInterfaces();

InetAddress ip = null;

while (netInterfaces.hasMoreElements()) {

NetworkInterface ni = (NetworkInterface) netInterfaces

.nextElement();

Enumeration nii = ni.getInetAddresses();

while (nii.hasMoreElements()) {

ip = (InetAddress) nii.nextElement();

if (ip.getHostAddress().indexOf(":") == -1) {

res.add(ip.getHostAddress());

System.out.println("本机的ip=" + ip.getHostAddress());

}

}

}

} catch (SocketException e) {

e.printStackTrace();

}

return (String[]) res.toArray(new String[0]);

}

//  获取本机所有物理地址

  

  //@return

 

public static String getMacAddress() {

String mac = "";

String line = "";

String os = System.getProperty("os.name");

if (os != null && os.startsWith("Windows")) {

try {

String command = "cmd.exe /c ipconfig /all";

Process p = Runtime.getRuntime().exec(command);

BufferedReader br = new BufferedReader(newInputStreamReader(p

.getInputStream()));

while ((line = br.readLine()) != null) {

if (line.indexOf("Physical Address") > 0) {

int index = line.indexOf(":") + 2;

mac = line.substring(index);

break;

}

}

br.close();

} catch (IOException e) {

}

}

return mac;

}

public String getMacAddress(String host) {

String mac = "";

StringBuffer sb = new StringBuffer();

try {

NetworkInterface ni =NetworkInterface.getByInetAddress(InetAddress

.getByName(host));

byte[] macs = ni.getHardwareAddress();

for (int i = 0; i < macs.length; i++) {

mac = Integer.toHexString(macs[i] & 0xFF);

if (mac.length() == 1) {

mac = '0' + mac;

}

sb.append(mac + "-");

}

} catch (SocketException e) {

e.printStackTrace();

} catch (UnknownHostException e) {

e.printStackTrace();

}

mac = sb.toString();

mac = mac.substring(0, mac.length() - 1);

return mac;

}

//  @param args

 

public static void main(String[] args) {

// TODO Auto-generated method stub

Test001.getAllLocalHostIP();

System.out.println(Test001.getMacAddress());

}

}