SAXParserFactory factory = SAXParserFactory.newInstance();try {SAXParser parser = factory.newSAXParser();//SAXParserHandler新建类继承DefaultHandler类，重写其中方法来解析xmlSAXParserHandler handler = new SAXParserHandler();parser.parse("tree.xml", handler);} catch (ParserConfigurationException e) {// TODO Auto-generated catch block
            e.printStackTrace();} catch (SAXException e) {// TODO Auto-generated catch block
            e.printStackTrace();} catch (IOException e) {// TODO Auto-generated catch block
            e.printStackTrace();}

public class SAXParserHandler extends DefaultHandler {/*** 文档开始解析时调用的方法*/@Overridepublic void startDocument() throws SAXException {// TODO Auto-generated method stubsuper.startDocument();}/*** 文档结束解析时调用的方法*/@Overridepublic void endDocument() throws SAXException {// TODO Auto-generated method stubsuper.endDocument();}/*** 解析开始标签*/@Overridepublic void startElement(String uri, String localName, String name,Attributes attributes) throws SAXException {// TODO Auto-generated method stubsuper.startElement(uri, localName, name, attributes);System.out.println("节点名："+name);//根据属性名获取属性值
//        String id = attributes.getValue("id");//遍历属性for (int i = 0; i < attributes.getLength(); i++) {System.out.println("属性名："+attributes.getQName(i));System.out.println("属性值："+attributes.getValue(i));}}/*** 解析结束标签*/@Overridepublic void endElement(String uri, String localName, String name)throws SAXException {// TODO Auto-generated method stubsuper.endElement(uri, localName, name);}/*** 解析文本内容*/@Overridepublic void characters(char[] ch, int start, int length)throws SAXException {// TODO Auto-generated method stubsuper.characters(ch, start, length);String value = new String(ch,start,length);System.out.println("节点间文本："+value);}
}