XML 解析之一

public static void main(String[] args) {
		// TODO Auto-generated method stub
		Document bf;
		try {
			bf = DocumentBuilderFactory.newInstance().newDocumentBuilder().parse(new File("c:\\web.xml"));
			NodeList nodelist = bf.getElementsByTagName("filter");
			for(int a=0;a<nodelist.getLength();a++){
				Element ele = (Element) nodelist.item(a);
				System.out.println(ele.getNodeName()+"  " +ele.getTextContent() + " " + ele.getTagName() );
			}
			bf=null;
		} catch (SAXException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		} catch (ParserConfigurationException e) {
			e.printStackTrace();
		}
	}