public static void read() {
		try {
			boolean validate = false;
			SAXBuilder builder = new SAXBuilder(validate);
			InputStream in = TestJDom.class.getClassLoader()
					.getResourceAsStream("text.xml");
			Document doc = builder.build(in);
			// ȡڵ <university>
			Element root = doc.getRootElement();
			readNode(root, "");
		} catch (JDOMException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}
	}