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/** * 日期格式化类 */public class DateUtil extends java.util.Date { private static final long serialVersionUID = 1L; private static final DateFormat datetimeFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); private static final DateFormat d..

package com.liu.utils;import java.math.BigInteger;import java.security.SecureRandom;import java.util.Random;import java.util.UUID;import java.util.concurrent.locks.ReentrantLock;/** * @author root * @create 2020-12-24 19:45 */public class UUIDU