public static String format(LocalDateTime localDateTime, String format) {
		return LocalDateTimeUtil.format(localDateTime, format);
	}
@Test
	public void formatTest() {
		final Calendar calendar = new GregorianCalendar();
		calendar.set(2021, Calendar.JULY, 14, 23, 59, 59);
		final Date date = new DateTime(calendar);

		assertEquals("2021-07-14 23:59:59", DateUtil.format(date, DatePattern.NORM_DATETIME_FORMATTER));
		assertEquals("2021-07-14 23:59:59", DateUtil.format(date, DatePattern.NORM_DATETIME_FORMAT));
		assertEquals("2021-07-14 23:59:59", DateUtil.format(date, DatePattern.NORM_DATETIME_PATTERN));
	}