public static DateTime parse(CharSequence dateStr, DateFormat dateFormat) {
		return new DateTime(dateStr, dateFormat);
	}
@Test
	public void parseToDateTimeTest3() {
		final String dateStr1 = "2017-02-01 12:23:45";
		final String dateStr2 = "2017/02/01 12:23:45";
		final String dateStr3 = "2017.02.01 12:23:45";
		final String dateStr4 = "2017年02月01日 12时23分45秒";

		final DateTime dt1 = DateUtil.parse(dateStr1);
		final DateTime dt2 = DateUtil.parse(dateStr2);
		final DateTime dt3 = DateUtil.parse(dateStr3);
		final DateTime dt4 = DateUtil.parse(dateStr4);
		assertEquals(dt1, dt2);
		assertEquals(dt2, dt3);
		assertEquals(dt3, dt4);
	}