java获取系统IP,MAC地址

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(); } /** *

方法 getLocalIp

* 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; } /** *

方法 getLocalMac

* 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; } }