public static DateTime parse(CharSequence dateStr, DateFormat dateFormat) {
		return new DateTime(dateStr, dateFormat);
	}
@Test
	public void parseByDateTimeFormatterTest() {
		final DateTime parse = DateUtil.parse("2021-12-01", DatePattern.NORM_DATE_FORMATTER);
		assertEquals("2021-12-01 00:00:00", parse.toString());
	}