【慕课笔记】4-8 应用DOM4J及JDOM方式解析XML—应用DOM4J解析子节点的信息

package com.imooc.xml;import java.io.File;import java.util.Iterator;import java.util.List;import org.dom4j.Attribute;import org.dom4j.Document;import org.dom4j.DocumentException;import org.dom4j.Element;import org.dom4j.io.SAXReader;public class TestDOM4J {/** * @param args */public static void main(String[] args) {//解析haha.xml文件//创建SAXReader的对象ReaderSAXReader reader=new SAXReader();try {//通过reader对象的read方法加载haha.xml文件,获取document对象Document document=reader.read(new File("src/res/haha.xml"));//通过document对象获取根节点bookstoreElement bookstore=document.getRootElement();//通过element对象的elementIterator方法获取迭代器Iterator it=bookstore.elementIterator();//遍历迭代器，获取根节点中的信息（书籍）while(it.hasNext()){System.out.println("======开始遍历某一本书=======");Element book=(Element)it.next();//获取book的属性名和属性值List<Attribute> bookattrs=book.attributes();for(Attribute attr:bookattrs){System.out.println("节点名："+attr.getName()+"  节点值是："+attr.getValue());}Iterator itt=book.elementIterator();while(itt.hasNext()){Element bookchild=(Element)itt.next();System.out.println("节点名："+bookchild.getName()+" 节点值："+bookchild.getStringValue());}System.out.println("======结束遍历某一本书=======");}} catch (DocumentException e) {// TODO Auto-generated catch blocke.printStackTrace();}}}