应用DOM4J解析节点信息

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package com;


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();
}




}


}
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