java获取系统IP,MAC地址

羊舌8999

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.InetAddress;
import java.net.UnknownHostException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class SystemMessageUtil {
final static Logger logger = LoggerFactory.getLogger(SystemMessageUtil.class);
/**
* 获取当前操作系统名称.
* return 操作系统名称 例如:windows xp,linux 等.
*/
public static String getOSName() {
return System.getProperty("os.name").toLowerCase();
}
/**
* <p> 方法 getLocalIp</p>
* 获取本机ip地址
* @return
*/
public static String getLocalIp() {
String localIp = null;
try {
localIp = InetAddress.getLocalHost().getHostAddress();
} catch (UnknownHostException e) {
logger.info("获取服务器IP地址失败!");
e.printStackTrace();
}
return localIp;
}
/**
* <p> 方法 getLocalMac</p>
* 获取本机MAC地址
* @return
*/
public static String getLocalMac() {
String os = getOSName();
String mac = null;
try {
// System.out.println(os);
if (os.startsWith("windows")) {
// 本地是windows
mac = getWindowsMACAddress();
// System.out.println(mac);
} else {
// 本地是非windows系统 一般就是unix
mac = getUnixMACAddress();
// System.out.println(mac);
}
} catch (Exception e) {
logger.info("获取服务器MAC地址失败!");
e.printStackTrace();
}
return mac;
}

/**
* 获取unix网卡的mac地址. 非windows的系统默认调用本方法获取.如果有特殊系统请继续扩充新的取mac地址方法.
*
* @return mac地址
*/
public static String getUnixMACAddress() {
String mac = null;
BufferedReader bufferedReader = null;
Process process = null;
try {
process = Runtime.getRuntime().exec("ifconfig eth0");// linux下的命令，一般取eth0作为本地主网卡 显示信息中包含有mac地址信息
bufferedReader = new BufferedReader(new InputStreamReader(process
.getInputStream()));
String line = null;
int index = -1;
while ((line = bufferedReader.readLine()) != null) {
index = line.toLowerCase().indexOf("hwaddr");// 寻找标示字符串[hwaddr]
if (index >= 0) {// 找到了
mac = line.substring(index +"hwaddr".length()+ 1).trim();//  取出mac地址并去除2边空格
break;
}
}
} catch (IOException e) {
e.printStackTrace();
} finally {
try {
if (bufferedReader != null) {
bufferedReader.close();
}
} catch (IOException e1) {
e1.printStackTrace();
}
bufferedReader = null;
process = null;
}
return mac;
}
/**
* 获取widnows网卡的mac地址.
* @return mac地址
*/
public static String getWindowsMACAddress() {
String mac = null;
BufferedReader bufferedReader = null;
Process process = null;
try {
process = Runtime.getRuntime().exec("ipconfig /all");// windows下的命令，显示信息中包含有mac地址信息
bufferedReader = new BufferedReader(new InputStreamReader(process
.getInputStream()));
String line = null;
int index = -1;
while ((line = bufferedReader.readLine()) != null) {
index = line.toLowerCase().indexOf("physical address");// 寻找标示字符串[physical address]
if (index >= 0) {// 找到了
index = line.indexOf(":");// 寻找":"的位置
if (index>=0) {
mac = line.substring(index + 1).trim();//  取出mac地址并去除2边空格
}
break;
}
}
} catch (IOException e) {
e.printStackTrace();
} finally {
try {
if (bufferedReader != null) {
bufferedReader.close();
}
} catch (IOException e1) {
e1.printStackTrace();
}
bufferedReader = null;
process = null;
}
return mac;
}
}