SAX解析xml

    @SuppressWarnings("unchecked")
    public static void readCityXML(HttpServletRequest request) throws Exception {
        String path = request.getSession().getServletContext().getRealPath("/");
　　　　 //String path = Object.class.getResource("/").getPath();
　　　　 //
        File file = new File(path + "WEB-INF/classes/config/xml/cities.xml");
        SAXReader reader = new SAXReader();
        Document doc = reader.read(file);
        Element root = doc.getRootElement();
        Element foot = null;
        List<String> cities = new ArrayList<String>();
        Iterator i = root.elementIterator();
        while (i.hasNext()) {
            foot = (Element) i.next();
            String name = foot.getText();
            cities.add(name);
        }
        request.getSession().getServletContext().setAttribute("cities", cities);
    }