原文:

/**     * @Description: 获取long类型16流水号     * @return serialNo long类型16流水号     * @date 2017年07月20日 下午03:55:21     */    public static long getTimeSerialNo(){        long serialNo;        Random r = new Random();        Calendar c = Calendar.getInstance();        int year = c.get(Calendar.YEAR)-2000;        int month = c.get(Calendar.MONTH) + 1;        int day = c.get(Calendar.DAY_OF_MONTH);        int hour = c.get(Calendar.HOUR_OF_DAY);        int minute = c.get(Calendar.MINUTE);        int second = c.get(Calendar.SECOND);        int ms = c.get(Calendar.MILLISECOND);        serialNo = (long)(year * 10000 + month * 100 + day);        serialNo = serialNo * 1000000 + hour * 10000 + minute * 100 + second;        serialNo = ( serialNo * 1000 + ms ) * 1000 + r.nextInt(1000);        return serialNo;    }        /**     * @Description: 获取String类型16流水号     * @return  String类型16流水号     * @date 2017年07月20日 下午03:55:21     */    public static String getTimeSerialNoStr(){        StringBuilder serialNo=new StringBuilder();        Random r = new Random();        Calendar c = Calendar.getInstance();        int year = c.get(Calendar.YEAR)-2000;        int month = c.get(Calendar.MONTH) + 1;        int day = c.get(Calendar.DAY_OF_MONTH);        int hour = c.get(Calendar.HOUR_OF_DAY);        int minute = c.get(Calendar.MINUTE);        int second = c.get(Calendar.SECOND);        int ms = c.get(Calendar.MILLISECOND);        serialNo.append(year).append(month).append(day)        .append(hour).append(minute).append(second)        .append(ms).append(r.nextInt(1000));        return serialNo.toString();    }