获取Linux和windows的MAC地址

	public String getMACAddressByWindows() throws Exception {
		String result = "";
		Process process = Runtime.getRuntime().exec("ipconfig /all");
		BufferedReader br = new BufferedReader(new InputStreamReader(process.getInputStream(), "GBK"));
		int index = -1;
		String line;
		boolean getInfo = false;
		while ((line = br.readLine()) != null) {
			if(line.contains("以太网适配器 以太网:") || getInfo){
				getInfo = true;
				index = line.indexOf("物理地址");
				if (index >= 0) {
					index = line.indexOf(":");
					if (index >= 0) {
						result = line.substring(index + 1).trim();
						break;
					}
				}
			}
		}
		br.close();
		LoggerUtil.info(logger,"Mac address -> {0}",result);
		return result;
	}

	public String getLinuxMACAddress() {
		String mac = "";
		BufferedReader bufferedReader = null;
		Process process = null;
		try {
			process = Runtime.getRuntime().exec("ip addr");
			bufferedReader = new BufferedReader(new InputStreamReader(
					process.getInputStream()));
			String line = null;
			int index = -1;
			while ((line = bufferedReader.readLine()) != null) {
				index = line.toLowerCase().indexOf("link/ether");
				if (index != -1) {
					String[] macs = line.trim().split(" ");
					mac = macs[1].trim().toLowerCase();
					break;
				}
			}
		} catch (IOException e) {
			e.printStackTrace();
		} finally {
			try {
				if (bufferedReader != null) {
					bufferedReader.close();
				}
			} catch (IOException e1) {
				e1.printStackTrace();
			}
			bufferedReader = null;
			process = null;
		}
		LoggerUtil.info(logger,"MAC address ->  {0}", mac);
		return mac;
	}