49 lines
1.3 KiB
Java
49 lines
1.3 KiB
Java
package ink.wgink.util;
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import java.text.SimpleDateFormat;
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import java.util.Date;
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import java.util.UUID;
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import java.util.concurrent.atomic.AtomicInteger;
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/**
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* @ClassName: OrderUtil
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* @Description: 订单工具
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* @Author: wanggeng
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* @Date: 2021/8/20 6:01 下午
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* @Version: 1.0
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*/
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public class OrderUtil {
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private static final SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyyMMddHHmmss");
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private static final AtomicInteger atomicInteger = new AtomicInteger(1000000);
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/**
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* 创建不连续的订单号
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*
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* @param no 数据中心编号
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* @return 唯一的、不连续订单号
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*/
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public static synchronized String getUUIDOrder(String no) {
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Integer uuidHashCode = UUID.randomUUID().toString().hashCode();
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if (uuidHashCode < 0) {
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uuidHashCode = uuidHashCode * (-1);
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}
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String date = simpleDateFormat.format(new Date());
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return no + date + uuidHashCode;
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}
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/**
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* 获取同一秒钟 生成的订单号连续
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*
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* @param no 数据中心编号
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* @return 同一秒内订单连续的编号
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*/
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public static synchronized String getAtomicOrder(String no) {
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atomicInteger.getAndIncrement();
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int i = atomicInteger.get();
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String date = simpleDateFormat.format(new Date());
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return no + date + i;
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}
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}
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