全局唯一ID生成工具类

根据网卡、应用启动时间、当前时间，通过DESKeySpec随机加密，随机获取固定长度全局唯一ID。

import org.apache.commons.codec.DecoderException;
import org.apache.commons.codec.binary.Hex;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;

import javax.crypto.*;
import javax.crypto.spec.DESKeySpec;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.lang.management.ManagementFactory;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import java.security.spec.InvalidKeySpecException;
import java.util.Locale;
import java.util.Random;

import static org.apache.commons.codec.binary.Hex.decodeHex;


public class IdUtil {
    static String baseNumLetter = "0123456789ABCDEFGHJKLMNOPQRSTUVWXYZ";

    private static Logger logger = LogManager.getLogger();

    private static final String data =
            "a81dfab773f05633e755ce05af7347b130b0ac544b053889e04b1e195864d15bBA";

    
    public static final String getHostName() {
        String hostName = "";
        try {
            hostName = InetAddress.getLocalHost().getHostName();
        } catch (UnknownHostException e) {
            logger.error(e.getMessage(), e);
        }
        return hostName;
    }

    
    public static final String getDUID() {
        String address = "";
        String command = "cmd.exe /c ipconfig /all";
        try {
            Process p = Runtime.getRuntime().exec(command);
            BufferedReader br = new BufferedReader(new InputStreamReader(p.getInputStream()));
            String line;
            while ((line = br.readLine()) != null) {
                if (line.indexOf("DUID") > 0) {
                    int index = line.indexOf(":");
                    index += 2;
                    address = line.substring(index);
                    break;
                }
            }
            br.close();
        } catch (IOException e) {
        }
        return address;
    }

    public static String randomSort(String str){
        char[] arr=str.toCharArray();
        Random r = new Random();//创建随机数对象
        for (int i = 0; i < arr.length; i++) {//打乱顺序的原理是第i个数组元素与随机出来的0-4小标的元素进行互换位置
            int r1 = r.nextInt(arr.length);//将随机出来的数存入r1中//这里括号里不用具体数值，就是为了代码的多场景性
            char temp;//定义一个中间变量
            temp = arr[i];//开始互换元素
            arr[i] = arr[r1];
            arr[r1] = temp;
        }
        return new String(arr);
    }

    public static String getUid(String str,int length){
        str=str.toUpperCase(Locale.ROOT);
        char []ch=str.toCharArray();
        char[]root= baseNumLetter.toCharArray();
        StringBuilder sb=new StringBuilder();
        for(int i=0;i