package com.supersavedriving.user.modular.system.util.bank.parmUtil;
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import java.text.SimpleDateFormat;
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import java.util.Date;
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import java.util.concurrent.atomic.AtomicInteger;
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public class SerialNumberGenerator {
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private static final AtomicInteger sequence = new AtomicInteger(0);
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public static synchronized String generateSerialNumber() {
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SimpleDateFormat dateFormat = new SimpleDateFormat("yyyyMMddHHmmssSSS");
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String timestamp = dateFormat.format(new Date());
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String sequenceNumber = String.format("%08d", sequence.getAndIncrement() % 100000000);
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return timestamp + sequenceNumber;
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}
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public static void main(String[] args) {
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// 测试生成流水号
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for (int i = 0; i < 10; i++) {
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String serialNumber = generateSerialNumber();
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System.out.println("流水号: " + serialNumber);
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}
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}
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}
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