System.out.println(DateTimeFormatter.ofPattern("yyyyMMddHHmmssSSS").format(LocalDateTime.now(ZoneOffset.UTC)));
        DateTimeFormatter DATE_TIME_FORMATTER = new DateTimeFormatterBuilder()
                // 解析date+time
                .appendPattern("yyyyMMddHHmmss")
                // 解析毫秒数
                .appendValue(ChronoField.MILLI_OF_SECOND, 3).toFormatter();
        System.out.println(LocalDateTime.parse("20191112133503997", DATE_TIME_FORMATTER));