package com.imooc.jdomtest;

import java.io.FileInputStream;

import java.io.FileNotFoundException;

import java.io.IOException;

import java.io.InputStream;

import java.io.InputStreamReader;

import java.util.List;

import org.jdom2.Attribute;

import org.jdom2.Document;

import org.jdom2.Element;

import org.jdom2.JDOMException;

import org.jdom2.input.SAXBuilder;

public class JDOMTest {

/**

* @param args

*/

public static void main(String[] args) {

// TODO Auto-generated method stub

//进行对books.xml文件的JDOM解析

//准备工作

//1.创建一个SAXBuilder对象

SAXBuilder saxBuilder = new SAXBuilder();

InputStream in;

try {

//2.创建一个输入流，将XML文件加载到输入流中来

in = new FileInputStream("src/res/books.xml");

InputStreamReader isr =new InputStreamReader(in, "UTF-8");

//3.通过saxBuilder的build方法，将输入流加载到saxBuilder中

Document document= saxBuilder.build(isr);

//4.通过document对象获取xml文件的根节点

Element rootelement = document.getRootElement();

//5.获取根节点下的子节点的List集合

List<Element> bookList = rootelement.getChildren();

//继续进行解析

for (Element book : bookList) {

System.out.println("=======开始解析第"

+ (bookList.indexOf(book) + 1) + "书=======");

//解析book的属性

List<Attribute> attrList = book.getAttributes();

//知道节点下属性名称时，获取属性值

// book.getAttributeValue("id");

//遍历attrList(针对不清楚book节点下属性的名字及数量)

for (Attribute attr : attrList) {

//获取属性名

String attrName = attr.getName();

//获取属性值

String attrValue = attr.getValue();

System.out.println("属性名：" + attrName +"---属性值：" +attrValue);

}

//对book节点的子节点的节点名以及节点值的遍历

List<Element> bookChilds = book.getChildren();

for (Element child : bookChilds) {

System.out.println("节点名：" + child.getName() + "------节点值:"

+ child.getValue());

}

System.out.println("=======结束解析第"

+ (bookList.indexOf(book) + 1) + "书=======");

}

}catch (FileNotFoundException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}catch (JDOMException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}catch (IOException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

}

}