public static void read(String fileName) {
		System.out.println("read start");
		SAXBuilder builder = new SAXBuilder();
		try {
			Document document = builder.build(fileName);
			Element root = document.getRootElement();
			List<?> list = root.getChildren();
			for (int i = 0; i < list.size(); i++) {
				Element teacher = (Element) list.get(i);
				System.out.println(teacher.getAttributeValue("name") + "->"
						+ teacher.getText());
			}
		} catch (JDOMException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}
		System.out.println("read end");
	}