package com.genersoft.iot.vmp.utils;

import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.UUID;

/**
 * ID生成器工具类
 *
 * @author ruoyi
 */
public class IdUtils
{

    private final static SimpleDateFormat FORMAT = new SimpleDateFormat("yyyyMMddHHmmss");
    private final static SimpleDateFormat DAY_FORMAT = new SimpleDateFormat("yyyyMMdd");

    /**
     * 获取随机UUID
     *
     * @return 随机UUID
     */
    public static String randomUUID()
    {
        return UUID.randomUUID().toString();
    }

    /**
     * 简化的UUID，去掉了横线
     *
     * @return 简化的UUID，去掉了横线
     */
    public static String simpleUUID()
    {
        return UUID.randomUUID().toString().replaceAll("_", "").replaceAll("-", "");
    }

    /**
     * 获取当前时间+随机数的编号
     *
     * @return 编号
     */
    public static String randomNO(Date now)
    {
        return DAY_FORMAT.format(now) + UUID.randomUUID().toString().replaceAll("-","").substring(0, 18);
    }
    /**
     * 获取当前时间+工单数的编号
     *
     * @return 编号
     */
    public static String workOrderNO(Date now,String orderNumber)
    {
        return DAY_FORMAT.format(now) +"_"+ orderNumber;
    }
}