获取 Windows 和 Linux 机器系统 MAC 地址的 Java 程序
原文:https://www . geesforgeks . org/Java-program-to-get-system-MAC-address-of-windows-and-Linux-machine/
媒体访问控制地址(MAC 地址)是分配给网络接口控制器(NIC) 的唯一十六进制标识符，用作网段内通信的网络地址。这种用法在大多数 IEEE 802 网络技术中很常见，包括以太网、无线网络和蓝牙。在开放系统互连(OSI) 网络模型中，媒体访问控制地址用于数据链路层的媒体访问控制协议子层。通常，媒体访问控制地址可以识别为六组两个十六进制数字，由连字符、冒号分隔，或者没有分隔符。
媒体访问控制地址主要由设备制造商分配，因此通常被称为内置地址，或以太网硬件地址、硬件地址或物理地址。
例 1
Java 语言(一种计算机语言，尤用于创建网站)
// Java program to access the MAC address of the
// localhost machine
import java.net.InetAddress;
import java.net.NetworkInterface;
import java.net.SocketException;
import java.net.UnknownHostException;
import java.util.Enumeration;
public class MACAddress {
// method to get the MAC Address
void getMAC(InetAddress addr) throws SocketException
{
// create a variable of type NetworkInterface and
// assign it with the value returned by the
// getByInetAddress() method
NetworkInterface iface
= NetworkInterface.getByInetAddress(addr);
// create a byte array and store the value returned
// by the NetworkInterface.getHardwareAddress()
// method
byte[] mac = iface.getHardwareAddress();
// convert the obtained byte array into a printable
// String
StringBuilder sb = new StringBuilder();
for (int i = 0; i < mac.length; i++) {
sb.append(String.format(
"%02X%s", mac[i],
(i < mac.length - 1) ? "-" : ""));
}
// print the final String containing the MAC Address
System.out.println(sb.toString());
}
// Driver method
public static void main(String[] args) throws Exception
{
// a variable of type InetAddress to store the
// address of the local host
InetAddress addr = InetAddress.getLocalHost();
// instantiate the MACAddress class
MACAddress obj = new MACAddress();
System.out.print("MAC Address of the system : ");
// call the getMAC() method on the current object
// passing the localhost address as the parameter
obj.getMAC(addr);
}
}
输出
示例 2( 当设备有多个 MAC 地址时 )
Java 语言(一种计算机语言，尤用于创建网站)
// Java program to access all the MAC addresses of the
// localhost machine
import java.net.InetAddress;
import java.net.NetworkInterface;
import java.net.SocketException;
import java.net.UnknownHostException;
import java.util.Enumeration;
public class MACAddress {
public static void main(String[] args) throws Exception
{
// instantiate the MACAddress class
MACAddress obj = new MACAddress();
// call the getMAC() method on the current object
// passing the localhost address as the parameter
obj.getMAC();
}
// method to get the MAC addresses of the
// localhost machine
void getMAC()
{
try {
// create an Enumeration of type
// NetworkInterface and store the values
// returned by
// NetworkInterface.getNetworkInterfaces()
// method
Enumeration<NetworkInterface> networks
= NetworkInterface.getNetworkInterfaces();
// for every network in the networks Enumeration
while (networks.hasMoreElements()) {
NetworkInterface network
= networks.nextElement();
// call getHardwareAddress() method on each
// network and store the returned value in a
// byte array
byte[] mac = network.getHardwareAddress();
if (mac != null) {
System.out.print(
"Current MAC address : ");
// convert the obtained byte array into
// a printable String
StringBuilder sb = new StringBuilder();
for (int i = 0; i < mac.length; i++) {
sb.append(String.format(
"%02X%s", mac[i],
(i < mac.length - 1) ? "-"
: ""));
}
// print the final String containing the
// MAC Address
System.out.println(sb.toString());
}
}
}
catch (SocketException e) {
e.printStackTrace();
}
}
}
输出
版权属于：月萌API www.moonapi.com，转载请注明出处
