public static void main(String[] args) throws Exception, IOException {
        Document document = Jsoup.parse(new URL("http://www.lvping.com/hotels-d1-beijing.html"), 2000);
        Elements doc = document.select("a");

        printElements(document.children(), 0);

    }

    public static void printElements(Elements elements, int i) {
        i++;
        for (Element element : elements) {
            if (element.children().size() > 0) {
//                 System.out.println(i + "|" + Strings.repeat("-",
//                 i));//可以注释掉这行看效果
                printElements(element.children(), i);
            } else {
                if (!Strings.isNullOrEmpty(element.text().trim()))
                    System.out.println(element.nodeName());
                System.out.println(i + "|" + Strings.repeat("-", i) + ""
                        + element.text());
            }
        }
    }