public static void main(String[] args) {

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

System.out.println("操作系统:"+os);

String address = "";

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

try {

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

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

BufferedReader br =

new BufferedReader(

new InputStreamReader(p.getInputStream()));

String line;

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

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

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

index += 2;

address = line.substring(index);

break;

}

}

br.close();

} catch (Exception e) {}

}

System.out.println("网卡Mac地址:"+address);

}