package com.finance.common.core.utils;import com.finance.common.core.constant.NoPrefixConstants;
import com.finance.common.core.text.UUID;
import cn.hutool.core.date.DateUtil;
import java.util.concurrent.atomic.AtomicInteger;/*** ID生成器工具类*/
public class IdUtils {private static final AtomicInteger MARK = new AtomicInteger(0);private static final int MAX = 99999;/*** 获取自定义前缀的编号** 【编号生成规则：SXSQ+YYYYMMDD（年月日）+5位流水号】*/public static String getCusNo(String prefix) {String time = DateUtil.format(DateUtil.date(), "yyyyMMddHHmmss");// 截取时间后5位int last5 = Integer.parseInt(time.substring(time.length() - 6, time.length() - 1));int currentMark;do {currentMark = MARK.get();if (currentMark >= last5) {last5 = currentMark + 1;}} while (!MARK.compareAndSet(currentMark, last5));if (last5 > MAX) {throw new RuntimeException("编号已经达到最大值");}return " (Thread ID: " + Thread.currentThread().getId() + ")" + prefix + time.substring(0, time.length() - 6) + last5;}public static void main(String[] args) {Runnable runnable = () -> {for (int i = 0; i < 10; i++) {System.out.println(getCusNo(NoPrefixConstants.CREDIT_APPLY));}};// 创建多个线程执行getCusNo方法Thread thread1 = new Thread(runnable);Thread thread2 = new Thread(runnable);Thread thread3 = new Thread(runnable);// 启动线程thread1.start();thread2.start();thread3.start();}
}

测试结果：