使用JAVA代码获得系统的MAC地址和IP地址

import java.net.InetAddress;
import java.net.NetworkInterface;
import java.util.Formatter;
import java.util.Locale;

/**
* 使用JAVA代码获得系统的MAC地址和IP地址。
*
* @author 享受JAVA(enjoyjava.net)
*/
public class TestIpMac {
public static void main(String[] args) throws Exception {
InetAddress address = InetAddress.getLocalHost(); // 获得当前主机地址
NetworkInterface ni = NetworkInterface.getByInetAddress(address); // 获得网络接口
byte[] mac = ni.getHardwareAddress(); // 获得硬件的MAC地址
String sIP = address.getHostAddress(); // 获得IP地址
String sMAC = "";
Formatter formatter = new Formatter();
for (int i = 0; i < mac.length; i++) { // 组合成MAC的字符串
sMAC = formatter.format(Locale.getDefault(), "%02X%s", mac[i], (i < mac.length - 1) ? "-" : "").toString();
}
System.out.println("IP：" + sIP);
System.out.println("MAC：" + sMAC);
}
}