获取本IP和mac

package test;


import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.InetAddress;
import java.net.NetworkInterface;
import java.net.SocketException;
import java.net.UnknownHostException;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.List;


public class IPAndMac {


// 获取本机所有IP
private static String[] getAllLocalHostIP() {
List res = new ArrayList();
Enumeration netInterfaces;
try {
netInterfaces = NetworkInterface.getNetworkInterfaces();
InetAddress ip = null;
while (netInterfaces.hasMoreElements()) {
NetworkInterface ni = (NetworkInterface) netInterfaces
.nextElement();
Enumeration nii = ni.getInetAddresses();
while (nii.hasMoreElements()) {
ip = (InetAddress) nii.nextElement();
if (ip.getHostAddress().indexOf(":") == -1) {
res.add(ip.getHostAddress());
System.out.println("本机的ip=" + ip.getHostAddress());
}
}
}
} catch (SocketException e) {
e.printStackTrace();
}
return (String[]) res.toArray(new String[0]);
}


// 获取本机所有物理地址
public static String getMacAddress() {
String mac = "";
String line = "";


String os = System.getProperty("os.name");
System.out.println("----os.name:"+os);


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()));


while ((line = br.readLine()) != null) {
System.out.println("dos信息列表:"+line);

//if (line.indexOf("Physical Address") > 0) { 
if (line.indexOf("物理地址") > 0) {     //查看映射 , 如何通用??
int index = line.indexOf(":") + 2;
mac = line.substring(index);
System.out.println("mac1:"+mac);
break;
}

}
br.close();
} catch (IOException e) {
System.out.println("发生异常了!");
}
}

System.out.println("mac2:"+mac);
return mac;
}


// 获取本机单个ip物理地址
public String getMacAddress(String host) {
String mac = "";
StringBuffer sb = new StringBuffer();


try {
NetworkInterface ni = NetworkInterface.getByInetAddress(InetAddress.getByName(host));
byte[] macs = ni.getHardwareAddress();


for (int i = 0; i < macs.length; i++) {
mac = Integer.toHexString(macs[i] & 0xFF);


if (mac.length() == 1) {
mac = '0' + mac;
}


sb.append(mac + "-");
}


} catch (SocketException e) {
e.printStackTrace();
} catch (UnknownHostException e) {
e.printStackTrace();
}


mac = sb.toString();
mac = mac.substring(0, mac.length() - 1);


return mac;
}


public static void main(String[] args) {
IPAndMac.getAllLocalHostIP();
System.out.println("----"+IPAndMac.getMacAddress());
// System.out.println("----"+new Test001().getMacAddress("192.168.190.1"));  
// System.out.println("----"+new Test001().getMacAddress("192.168.0.5")); 
}


}

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转载自blog.csdn.net/qq_32444825/article/details/80811664