import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.net.InetAddress; import java.net.UnknownHostException;
/** * @className: SystemTool * @description: 与系统相关的一些常用工具方法. 目前实现的有：获取MAC地址、IP地址、主机名 * @author: 笑遍世界 * @createTime: 2010-11-13 下午08:03:44 */ public class SystemTool {
/** * 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(); }
/** * 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; }
/** * @return 本机主机名 */ public static String getHostName() { InetAddress ia = null; try { ia = InetAddress.getLocalHost(); } catch (UnknownHostException e) { // TODO Auto-generated catch block e.printStackTrace(); } if (ia == null ) { return "some error.."; } else return ia.getHostName(); }
/** * @return 本机IP 地址 */ public static String getIPAddress() { InetAddress ia = null; try { ia = InetAddress.getLocalHost(); } catch (UnknownHostException e) { // TODO Auto-generated catch block e.printStackTrace(); } if (ia == null ) { return "some error.."; } else return ia.getHostAddress(); }
/** * * @param argc * 运行参数. */ public static void main(String[] argc) { String s = getOSName(); System.out.println("OS Tyepe:"+os); if(os.startsWith("windows")){ //本地是windows String mac = getWindowsMACAddress(); System.out.println("MAC Address:"+mac); }else{ //本地是非windows系统 一般就是unix String mac = getUnixMACAddress(); System.out.println(mac); } System.out.println("HostName:"+getHostName()); System.out.println("IPAddress:"+getIPAddress());
} } | 
