@Test
	public void testtomap() {

		Element nodeElement = document.addElement("data");
		Student student = new Student(1, "2", "3", "4", "5");
		Map<Object, Object> map = javabeanToMap(student);
		Map<Object, Object> m = new HashMap<>();
		Map<Object, Object> mm = new HashMap<>();
		mm.put("mm1", "mm1");
		mm.put("mm2", "mm2");
		m.put("m1", "m1");
		m.put("m2", "m2");
		m.put("mm", mm);
		map.put("other", m);
		System.out.println(map);
		String str = mapToXml(map, nodeElement);
		System.out.println(str);
	}