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

//進(jìn)行對books.xml文件的JDOM解析

//準(zhǔn)備工作

//1.創(chuàng)建一個(gè)SAXBuilder對象

SAXBuilder saxBuilder = new SAXBuilder();

InputStream in;

try {

//2.創(chuàng)建一個(gè)輸入流，將XML文件加載到輸入流中來

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

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

//3.通過saxBuilder的build方法，將輸入流加載到saxBuilder中

Document document= saxBuilder.build(isr);

//4.通過document對象獲取xml文件的根節(jié)點(diǎn)

Element rootelement = document.getRootElement();

//5.獲取根節(jié)點(diǎn)下的子節(jié)點(diǎn)的List集合

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

//繼續(xù)進(jìn)行解析

for (Element book : bookList) {

System.out.println("=======開始解析第"

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

//解析book的屬性

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

//知道節(jié)點(diǎn)下屬性名稱時(shí)，獲取屬性值

// book.getAttributeValue("id");

//遍歷attrList(針對不清楚book節(jié)點(diǎn)下屬性的名字及數(shù)量)

for (Attribute attr : attrList) {

//獲取屬性名

String attrName = attr.getName();

//獲取屬性值

String attrValue = attr.getValue();

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

}

//對book節(jié)點(diǎn)的子節(jié)點(diǎn)的節(jié)點(diǎn)名以及節(jié)點(diǎn)值的遍歷

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

for (Element child : bookChilds) {

System.out.println("節(jié)點(diǎn)名：" + child.getName() + "------節(jié)點(diǎn)值:"

+ child.getValue());

}

System.out.println("=======結(jié)束解析第"

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

}

}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();

}

}

}