public static DateTime truncate(Date date, DateField dateField) {
		return new DateTime(truncate(calendar(date), dateField));
	}
@Test
	public void truncateTest() {
		final String dateStr2 = "2020-02-29 12:59:34";
		final Date date2 = DateUtil.parse(dateStr2);
		final DateTime dateTime = DateUtil.truncate(date2, DateField.MINUTE);
		assertEquals("2020-02-29 12:59:00", dateTime.toString());
	}