Java 获取机器码
发布时间：2022-01-28作者：laosun阅读（3193）
Java 获取机器码
代码中有部分源码未贴出，但都是普通的，比如MD5加密，用自己的就可以。
该源码为开源项目中找到的，具体是哪个忘记了，之后自己进行了部分优化
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.StringUtils;
import java.lang.management.ManagementFactory;
import java.lang.management.RuntimeMXBean;
import java.net.InetAddress;
import java.net.InterfaceAddress;
import java.net.NetworkInterface;
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;
/**
* 系统工具类
*/
@Slf4j
public final class MachineUtils {
/**
* 运行命令
*
* @param cmd 命令
* @param line 返回第几行结果，0返回所有
* @return 结果
*/
public static String runCmd(String cmd, int line) {
Process process;
Scanner sc = null;
StringBuffer sb = new StringBuffer();
try {
process = Runtime.getRuntime().exec(cmd);
process.getOutputStream().close();
sc = new Scanner(process.getInputStream());
int i = 0;
while (sc.hasNextLine()) {
i++;
String str = sc.nextLine();
if (line <= 0) {
sb.append(str).append("\r\n");
} else if (i == line) {
return str.trim();
}
}
sc.close();
} catch (Exception e) {
} finally {
if (sc != null) {
try {
sc.close();
} catch (Exception e) {
e.printStackTrace();
}
}
}
return sb.toString();
}
/**
* 运行cmd命令
*
* @param cmd 命令
* @param substr 关键字
* @return 包含关键字的行数
*/
public static String runCmd(String cmd, String substr) {
Process process;
Scanner sc = null;
try {
process = Runtime.getRuntime().exec(cmd);
process.getOutputStream().close();
sc = new Scanner(process.getInputStream());
// log.info("sc.hasNextLine:{}", sc.hasNext());
// log.info("sc.hasNextLine:{}", sc.hasNextLine());
while (sc.hasNextLine()) {
String str = sc.nextLine();
// log.info("command返回信息：{}", str);
if (StringUtils.isNotBlank(str)) {
str = str.trim();
if (str != null && str.startsWith(substr)) {
// log.info("command 提取信息：{}", str);
return str.trim();
}
}
}
sc.close();
} catch (Exception e) {
e.printStackTrace();
log.error("执行exec出现异常", e);
} finally {
if (sc != null) {
try {
sc.close();
} catch (Exception e) {
e.printStackTrace();
}
}
}
return null;
}
/**
* 获取mac地址
*
* @return mac 列表
*/
public static String getMacs() {
List<String> macList = getMacList();
if (macList != null && macList.size() > 0) {
return StringUtils.join(macList, ",");
}
return null;
}
/**
* 获取mac地址
*
* @return mac 列表
*/
public static List<String> getMacList() {
ArrayList<String> list = new ArrayList<>();
StringBuilder sb = new StringBuilder();
try {
java.util.Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces();
while (en.hasMoreElements()) {
NetworkInterface iface = en.nextElement();
List<InterfaceAddress> addrs = iface.getInterfaceAddresses();
for (InterfaceAddress addr : addrs) {
InetAddress ip = addr.getAddress();
if (ip.isLinkLocalAddress()) {//本地的不要
continue;
}
NetworkInterface network = NetworkInterface.getByInetAddress(ip);
if (network == null) {
continue;
}
// 先这做，后期优化
// TODO
if (StringUtils.isNotBlank(network.getName()) && network.getName().startsWith("lo")) {
// lo 为本地回环地址，eth0 和 eth4 为 VMware 创建的虚拟地址
continue;
}
if (StringUtils.isNotBlank(network.getName()) && network.getName().startsWith("docker")) {
// docker内网地址排除
continue;
}
if (StringUtils.isNotBlank(network.getName()) && (network.getName().startsWith("cni") || network.getName().startsWith("flannel"))) {
// docker内网地址排除
continue;
}
if (StringUtils.isNotBlank(network.getName()) && network.getName().startsWith("br")) {
// 排除桥接网卡
continue;
}
// log.info("ip：{}，Network：{}", ip.getHostAddress(), ip.getHostName());
// log.info("{}", ip.isLinkLocalAddress());
// log.info("{}", ip.isAnyLocalAddress());
// log.info("{}", ip.isLoopbackAddress());
// log.info("------1");
// log.info("{}", ip.isMCGlobal());
// log.info("{}", ip.isMCLinkLocal());
// log.info("{}", ip.isMCNodeLocal());
// log.info("{}", ip.isMCOrgLocal());
// log.info("------2");
// log.info("{}", ip.isMCSiteLocal());
// log.info("{}", ip.isMulticastAddress());
// log.info("{}", ip.isSiteLocalAddress());
// log.info("------3");
// log.info("{}", ip.getCanonicalHostName());
// log.info("{}", ip.getHostAddress());
// log.info("------4");
// log.info("{}", network.supportsMulticast());
// log.info("{}", network.getMTU());
// log.info("{}", network.getName());
// log.info("{}", network.isLoopback());
// log.info("------5");
// log.info("{}", network.isPointToPoint());
// log.info("{}", network.isVirtual());
// log.info("{}", network.isUp());
// log.info("{}", network.getDisplayName());
// log.info("------》》》》》》》");
// final NetworkInterface parent = network.getParent();
// if (parent != null) {
// log.info("{}", parent.getName());
// }
byte[] mac = network.getHardwareAddress();
if (mac == null) {
continue;
}
sb.delete(0, sb.length());
for (int i = 0; i < mac.length; i++) {
sb.append(String.format("%02X%s", mac[i], (i < mac.length - 1) ? "-" : ""));
}
if (!list.contains(sb.toString())) {
list.add(sb.toString());
}
}
}
} catch (Exception e) {
e.printStackTrace();
}
return list;
}
/**
* 获取cpu序列号
*
* @return 序列号
*/
public static String getCPUSerialNumber() {
String sysName = System.getProperty("os.name");
// log.info("系统名称：{}", sysName);
if (sysName.contains("Windows")) {//win
String str = runCmd("wmic cpu get ProcessorId", 2);
return str;
} else if (sysName.contains("Linux")) {
String str = runCmd("dmidecode | grep \"ID\"", "ID");
// log.info("返回信息：{}", str);
if (str != null) {
return str.substring(str.indexOf(":") + 1).trim();
}
} else if (sysName.contains("Mac")) {
String str = runCmd("system_profiler SPHardwareDataType", "Serial Number");
if (str != null) {
return str.substring(str.indexOf(":") + 1).trim();
}
}
return "";
}
/**
* 获取硬盘序列号
*
* @return 硬盘序列号
*/
public static String getHardDiskSerialNumber() {
String sysName = System.getProperty("os.name");
if (sysName.contains("Windows")) {//win
String str = runCmd("wmic path win32_physicalmedia get serialnumber", 2);
return str;
} else if (sysName.contains("Linux")) {
// String str = runCmd("dmidecode |grep -A16 \"System Information$\"", "Serial Number");
String str = runCmd("dmidecode | grep \"Serial Number\"", "Serial Number");
// log.info("getHardDiskSerialNumber1返回信息：{}", str);
if (StringUtils.isNotBlank(str) && ": Not Specified".equals(str)) {
return str.substring(str.indexOf(":") + 1).trim();
} else {
// str = runCmd("dmidecode |grep -A16 \"System Information$\"", "UUID");
str = runCmd("dmidecode | grep \"UUID\"", "UUID");
// log.info("getHardDiskSerialNumber2返回信息：{}", str);
if (StringUtils.isNotBlank(str)) {
return str.substring(str.indexOf(":") + 1).trim();
}
}
} else if (sysName.contains("Mac")) {
String str = runCmd("system_profiler SPStorageDataType", "Volume UUID");
if (str != null) {
return str.substring(str.indexOf(":") + 1).trim();
}
}
return "";
}
/**
* 获取当前运行进程
*
* @author sun
* @return java.lang.String
*/
public static String getRuntimeProcess() {
RuntimeMXBean runtimeMXBean = ManagementFactory.getRuntimeMXBean();
return runtimeMXBean.getName();
}
/**
* 获取当前项目目录
*
* @author sun
* @return java.lang.String
*/
public static String getRunPath() {
return PathKit.getRootClassPath();
}
/**
* 生成机器码
*
* @return 机器码
*/
public static String makeMarchineCode() {
String macAddress = getMacList().toString();
String cpuSerialNumber = getMacList().toString();
String hardDiskSerialNumber = getMacList().toString();
// 增加当前项目目录，因为有可能一台机器运行多个，虽然不建议这么做
String classPath = getRunPath();
log.info("macAddress：{}", macAddress);
log.info("cpuSerialNumber：{}", cpuSerialNumber);
log.info("hardDiskSerialNumber：{}", hardDiskSerialNumber);
log.info("classPath：{}", classPath);
// 组合字符串
StringBuffer sb = new StringBuffer();
sb.append(macAddress);
sb.append(cpuSerialNumber);
sb.append(hardDiskSerialNumber);
sb.append(classPath);
// MD5加密
String code = EncryptionKit.md5Encrypt(sb.toString(), false);
log.info("生成的机器码：{}", code);
return code;
}
public static void main(String[] args) {
// 1026df16e99f2eef07b383aad6c93476
log.info(makeMarchineCode());
}
}
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原文地址: https://www.sunjs.com/article/detail/0461dd1f58714c9c9604bec730f4f44a.html
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