XML--Java中的四种常见解析方式--dom

public class Xmltest {
    public List<book> books;
    public Xmltest(){
        this.books=new ArrayList();
    }
    public static void main(String[] args) throws Exception {
        Xmltest test=new Xmltest();
        int i=2005;
        int j=i>>2;
        System.out.println(j);
        test.Jiexi();
        test.foreprint();
}
    public void Jiexi() throws Exception{
        DocumentBuilderFactory dbf=DocumentBuilderFactory.newInstance();
        DocumentBuilder db=dbf.newDocumentBuilder();
        Document dm=db.parse("E:\\books.xml");// TODO Auto-generated method stub
        NodeList booklist=dm.getElementsByTagName("book");
        for (int i = 0; i < booklist.getLength(); i++) {
            book temp=new book();
            Node book = booklist.item(i);
            NamedNodeMap attrs = book.getAttributes();
            NodeList childnodes = book.getChildNodes();
            for (int k = 0; k < childnodes.getLength(); k++) {
                if (childnodes.item(k).getNodeType() == Node.ELEMENT_NODE) {
                    if (childnodes.item(k).getNodeName() == "name")
                        temp.name = childnodes.item(k).getn;
                    if (childnodes.item(k).getNodeName() == "years")
                        temp.years = childnodes.item(k).getTextContent();
                    if (childnodes.item(k).getNodeName() == "price")
                        temp.price = childnodes.item(k).getTextContent();
                }
            }    
            books.add(temp);
        }

    }
    public void foreprint(){
        for(book temp:books){
            System.out.println("------------");
            System.out.println("书名为:"+temp.name);
            System.out.println("出版年份:"+temp.years);
            System.out.println("价格为："+temp.price+"元");
            
        }
    }
    }