DOM4J方式解析 XML

1.下载，引入dom4j jar包

2.

SAXReader reader = new SAXReader();
        try {
            Document doc = reader.read(new File("tree.xml"));
            //获取根节点
            Element root = doc.getRootElement();
            
            //遍历根节点的子节点
            Iterator<Element> it = root.elementIterator();
            while (it.hasNext()) {
                Element ele = it.next();
                List<Attribute> attrList = ele.attributes();
                for (Attribute attr : attrList) {
                    System.out.println("属性名："+attr.getName());
                    System.out.println("属性值："+attr.getValue());
                }
                
                //遍历当前节点的子节点
                Iterator<Element> childit = ele.elementIterator();
                while (childit.hasNext()) {
                    Element child = childit.next();
                    System.out.println("节点名："+child.getName());
                    System.out.println("节点值："+child.getStringValue());
                }
            }
        } catch (DocumentException e) {
            e.printStackTrace();
        }