public static int getAgeByIdCard(String idcard) {
		return getAgeByIdCard(idcard, DateUtil.date());
	}
@Test
	public void getAgeByIdCardTest() {
		DateTime date = DateUtil.parse("2017-04-10");

		int age = IdcardUtil.getAgeByIdCard(ID_18, date);
		assertEquals(age, 38);
		assertEquals(IdcardUtil.getAgeByIdCard(FOREIGN_ID_18, date), 32);

		int age2 = IdcardUtil.getAgeByIdCard(ID_15, date);
		assertEquals(age2, 28);
	}