寶寶不開心

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
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 {

    public static void main(String[] args) {
        //進行對book.xml的JDOM解析
        //準備工作
        //1、創建一個SAXBuilder對象
        SAXBuilder saxBuilder = new SAXBuilder();
        InputStream in;
        try {
            //2、創建一個輸入流， 將xml文件加載到文件中
            in = new FileInputStream("src/res/book.xml");
　　　　　　　//InputStreamReader isr = new InputStreamReader(in, "UTF-8");
            //3.通過saxBuilder的方法，將輸入流加載到saxBuilder
            Document document = saxBuilder.build(in);
            //4.通過document對象獲取xml文件的根節點
            Element element = document.getRootElement();
            //5.獲取根節點下的子節點的List集合
            List<Element> bookList = element.getChildren();
            //繼續進行解析
            for(Element book: bookList) {
　　　　　　　　　　//bookList.indexOf(book)得到book元素在bookList之中的位置，可以輸出序號

                System.out.println("----------------開始解析第" + (bookList.indexOf(book) + 1)
                        + "本書---------------");
                //解析book的屬性
                List<Attribute> attributes = book.getAttributes();
                for(Attribute attr: attributes) {
                    //獲取屬性值（知道屬性名）
                    //String value = book.getAttributeValue("id");
                    //獲取屬性名和屬性值（不知道屬性名）
                    String attrName = attr.getName();
                    String attrValue = attr.getValue();
                    System.out.println("屬性名" + attrName + "  屬性值" + attrValue);
                }

//對book節點的子節點的節點名和節點值的遍歷
//在JDOM中每個節點都有getChildren方法，都可以通過getName和getValue
//獲取節點名和節點值
List<Element> bookChildren = book.getChildren();
for (Element bookChild : bookChildren) {
　　System.out.println("屬性名：" + bookChild.getName()
　　+ " 屬性值：" + bookChild.getValue());
}

                System.out.println("----------------結束解析第" + (bookList.indexOf(book) + 1)
                        + "本書---------------");
            }
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (JDOMException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }

    }

}

package cn.edu.zzuli.DOM4JTest;

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 DOM4J {

    public static void main(String[] args) {
        //解析xml文件
        //創建SAXReader的對象reader
        SAXReader reader = new SAXReader();
        try {
            //通過reader對象的read方法加載book。xml文件
            Document document = reader.read(new File("src/res/book.xml"));
            //通過document的getRootElement獲取根節點
            Element bookstore = document.getRootElement();
            //遍歷根節點的子節點,用Element對象的elementIterator獲取子節點的迭代器
            Iterator<Element> booksIterator = bookstore.elementIterator();
            //遍歷迭代器，獲取根節點的信息
            while(booksIterator.hasNext()) {
                System.out.println("------開始遍歷某本書---------");
                Element book = booksIterator.next();
                //獲取book的屬性名和屬性值
                List<Attribute> bookattributes = book.attributes();
                for (Attribute attribute : bookattributes) {
                    System.out.println("屬性名： " + attribute.getName() + "--屬性值："
                            + attribute.getValue());
                }
                //遍歷book節點子節點，elementIterator得到迭代器
                Iterator it2 = book.elementIterator();
                while(it2.hasNext()) {
                    Element bookChild = (Element)it2.next();
                    System.out.println("節點名：" + bookChild.getName() + "--節點值："
                            + bookChild.getStringValue());
                }
                System.out.println("------結束遍歷某本書---------");
            }
        } catch(DocumentException e) {
            e.printStackTrace();
        }

    }

}