package com.whyc.util;
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import java.net.InetAddress;
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import java.net.InterfaceAddress;
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import java.net.NetworkInterface;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Scanner;
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/**
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* 系统工具类
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*/
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public class SysUtils {
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/**
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* 运行命令
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*
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* @param cmd 命令
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* @param line 返回第几行结果，0返回所有
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* @return 结果
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*/
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public static String runCmd(String cmd, int line) {
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Process process;
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Scanner sc = null;
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StringBuffer sb = new StringBuffer();
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try {
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process = Runtime.getRuntime().exec(cmd);
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process.getOutputStream().close();
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sc = new Scanner(process.getInputStream());
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int i = 0;
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while (sc.hasNextLine()) {
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i++;
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String str = sc.nextLine();
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if (line <= 0) {
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sb.append(str).append("\r\n");
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} else if (i == line) {
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return str.trim();
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}
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}
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sc.close();
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} catch (Exception e) {
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} finally {
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IoUtils.close(sc);
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}
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return sb.toString();
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}
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/**
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* 运行cmd命令
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*
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* @param cmd 命令
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* @param substr 关键字
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* @return 包含关键字的行数
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*/
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public static String runCmd(String cmd, String substr) {
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Process process;
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Scanner sc = null;
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try {
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process = Runtime.getRuntime().exec(cmd);
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process.getOutputStream().close();
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sc = new Scanner(process.getInputStream());
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while (sc.hasNextLine()) {
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String str = sc.nextLine();
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if (str != null && str.contains(substr)) {
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return str.trim();
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}
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}
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sc.close();
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} catch (Exception e) {
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} finally {
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IoUtils.close(sc);
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}
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return null;
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}
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/**
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* 获取mac地址
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*
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* @return mac 列表
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*/
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public static List<String> getMacList() {
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ArrayList<String> list = new ArrayList<>();
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StringBuilder sb = new StringBuilder();
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try {
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java.util.Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces();
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while (en.hasMoreElements()) {
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NetworkInterface iface = en.nextElement();
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List<InterfaceAddress> addrs = iface.getInterfaceAddresses();
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for (InterfaceAddress addr : addrs) {
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InetAddress ip = addr.getAddress();
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if (ip.isLinkLocalAddress()) {//本地的不要
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continue;
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}
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NetworkInterface network = NetworkInterface.getByInetAddress(ip);
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if (network == null) {
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continue;
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}
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byte[] mac = network.getHardwareAddress();
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if (mac == null) {
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continue;
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}
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sb.delete(0, sb.length());
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for (int i = 0; i < mac.length; i++) {
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sb.append(String.format("%02X%s", mac[i], (i < mac.length - 1) ? "-" : ""));
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}
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if (!list.contains(sb.toString())) {
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list.add(sb.toString());
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}
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}
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}
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} catch (Exception e) {
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e.printStackTrace();
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}
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return list;
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}
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/**
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* 获取cpu序列号
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*
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* @return 序列号
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*/
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public static String getCPUSerialNumber() {
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String sysName = System.getProperty("os.name");
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if (sysName.contains("Windows")) {//win
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String str = runCmd("wmic cpu get ProcessorId", 2);
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return str;
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} else if (sysName.contains("Linux")) {
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String str = runCmd("dmidecode |grep -A16 \"Processor Information$\"", "ID");
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if (str != null) {
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return str.substring(str.indexOf(":")).trim();
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}
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} else if (sysName.contains("Mac")) {
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String str = runCmd("system_profiler SPHardwareDataType", "Serial Number");
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if (str != null) {
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return str.substring(str.indexOf(":") + 1).trim();
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}
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}
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return "";
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}
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/**
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* 获取硬盘序列号
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*
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* @return 硬盘序列号
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*/
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public static String getHardDiskSerialNumber() {
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String sysName = System.getProperty("os.name");
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if (sysName.contains("Windows")) {//win
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String str = runCmd("wmic path win32_physicalmedia get serialnumber", 2);
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return str;
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} else if (sysName.contains("Linux")) {
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String str = runCmd("dmidecode |grep -A16 \"System Information$\"", "Serial Number");
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if (str != null) {
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return str.substring(str.indexOf(":")).trim();
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}
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} else if (sysName.contains("Mac")) {
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String str = runCmd("system_profiler SPStorageDataType", "Volume UUID");
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if (str != null) {
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return str.substring(str.indexOf(":") + 1).trim();
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}
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}
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return "";
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}
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/**
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* 生成机器码
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*
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* @return 机器码
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*/
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public static char[] makeMarchinCode() {
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char[] c1 = EncryptUtils.md5(getMacList().toString().toCharArray());
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char[] c2 = EncryptUtils.md5(getCPUSerialNumber().toCharArray());
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char[] c3 = EncryptUtils.md5(getHardDiskSerialNumber().toCharArray());
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char[] chars = StrUtils.merger(c1, c2, c3);
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for (int i = 0; i < chars.length; i++) {
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chars[i] = Character.toUpperCase(chars[i]);
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}
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return chars;
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}
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}
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