应用DOM4J解析节点信息

import java.io.File;

import java.util.BitSet;

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 DOM4J {

private static int number = 0;

public static void main(String[] args) {

// TODO Auto-generated method stub

//解析books.xml

//创建SAXReader的对象的reader

SAXReader reader = new SAXReader();

//通过读取reader对象的reader方法加载books.xml

try {

Document document = reader.read(new File("src/res/books.xml"));

//通过Document对象获取根节点bookStorre

Element bookStore = document.getRootElement();

//通过Element方法获取迭代器

Iterator<Element> it = bookStore.elementIterator();

//遍历迭代器获取根节点中的信息

while(it.hasNext()){

number++;

System.out.println("======开始遍历第"+ number +"本书======");

Element book = (Element) it.next();

//获取book的属性名和值

List<Attribute> bookAttrs = book.attributes();

for(Attribute attr : bookAttrs){

System.out.println("节点名 : " + attr.getName() + "----属性值 : " + attr.getValue());

}

Iterator itt = book.elementIterator();

while(itt.hasNext()){

Element bookChild = (Element) itt.next();

System.out.println("节点名是: " + bookChild.getName() + "----节点值 : " + bookChild.getStringValue());

}

System.out.println("======结束遍历第"+ number +"本书======");

}

} catch (DocumentException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

}