public static <T> T toBean(Object source, Class<T> clazz) {
		return toBean(source, clazz, null);
	}
@Test
	public void mapToBeanTest2() {
		final HashMap<String, Object> map = MapUtil.newHashMap();
		map.put("name", "Joe");
		map.put("age", 12);

		// 非空构造也可以实例化成功
		final Person2 person = BeanUtil.toBean(map, Person2.class, CopyOptions.create());
		assertEquals("Joe", person.name);
		assertEquals(12, person.age);
	}