InputStream inStream = null;

try

{

???? inStream = Dom4jDemo01.class.getResourceAsStream(

"/com/cownew/Char0502/Department01.xml");

???? SAXReader reader = new SAXReader();

???? Document doc = reader.read(new InputStreamReader(inStream));

???? Node nameNode = doc.selectSingleNode("http://department/name");

???? System.out.println(" 部門名稱 :" + nameNode.getText());

?

???? Node levelNode = doc.selectSingleNode("http://department/level");

???? System.out.println(" 部門級別 :" + levelNode.getText());

?

???? List employeeNodeList = doc

?????????????????? .selectNodes("http://department/employeeList/employee");

???? System.out.println(" 部門下屬雇員 :");

???? for (int i = 0, n = employeeNodeList.size(); i < n; i++)

???? {

???????? DefaultElement employeeElement = (DefaultElement) employeeNodeList

??????????????????????????? .get(i);

???????? String name = employeeElement.attributeValue("name");

???????? String number = employeeElement.attributeValue("number");

???????? System.out.println(name + " ，工號 :" + number);

???? }

} finally

{

???? ResourceUtils.close(inStream);

}

import java.io.FileWriter;

import java.io.IOException;

?

import org.dom4j.Document;

import org.dom4j.DocumentHelper;

import org.dom4j.Element;

import org.dom4j.io.OutputFormat;

import org.dom4j.io.XMLWriter;

?

public class Dom4jDemo02

{

???? public static void main(String[] args)

???? {

???????? // 創建文檔對象

???????? Document document = DocumentHelper.createDocument();

?

???????? // 添加根節點 "department"

???????? Element departElement = document.addElement("department");

?

???????? // 添加 "name" 節點

???????? Element departNameElement = DocumentHelper.createElement("name");

???????? departNameElement.setText(" 開發部 ");

???????? departElement.add(departNameElement);

?

???????? // 添加 "level" 節點

???????? Element departLevelElement = DocumentHelper.createElement("level");

???????? departLevelElement.setText("2");

???????? departElement.add(departLevelElement);

?

???????? // 添加員工列表 "employeeList" 節點

???????? Element employeeElementList = DocumentHelper

?????????????????? .createElement("employeeList");

???????? departElement.add(employeeElementList);

?

???????? // 添加員工節點 "employee"

???????? Element emp1Element = DocumentHelper.createElement("employee");

???????? emp1Element.addAttribute("number", "001");

???????? emp1Element.addAttribute("name", "Tom");

???????? employeeElementList.add(emp1Element);

?

???????? Element emp2Element = DocumentHelper.createElement("employee");

???????? emp2Element.addAttribute("number", "002");

???????? emp2Element.addAttribute("name", "Jim");

???????? employeeElementList.add(emp2Element);

?

???????? Element emp3Element = DocumentHelper.createElement("employee");

???????? // 添加屬性

???????? emp3Element.addAttribute("number", "003");

???????? emp3Element.addAttribute("name", "Lily");

???????? employeeElementList.add(emp3Element);

?

???????? try

???????? {

????????????? writeToFile(document, "c:/department.xml");

???????? } catch (IOException e)

???????? {

????????????? e.printStackTrace();

???????? }

???? }

?

???? private static void writeToFile(Document document, String file)

????????????? throws IOException

???? {

???????? // 美化格式

???????? OutputFormat format = OutputFormat.createPrettyPrint();

???????? format.setEncoding("GB2312");

???????? XMLWriter writer = null;

???????? try

???????? {

????????????? writer = new XMLWriter(new FileWriter(file), format);

????????????? writer.write(document);

???????? } finally

???????? {

????????????? if (writer != null)

?????????????????? writer.close();

???????? }

???? }

}

public class BookInfo

{

???? private String name;

???? private PersonInfo author;

???? public PersonInfo getAuthor()

???? {

???????? return author;

???? }

???? public void setAuthor(PersonInfo author)

???? {

???????? this.author = author;

???? }

???? public String getName()

???? {

???????? return name;

???? }

???? public void setName(String name)

???? {

???????? this.name = name;

???? }

}

?

public class PersonInfo

{

???? private String name;

???? private String email;

???? public String getEmail()

???? {

???????? return email;

???? }

???? public void setEmail(String email)

???? {

???????? this.email = email;

???? }

???? public String getName()

???? {

???????? return name;

???? }

???? public void setName(String name)

???? {

???????? this.name = name;

???? }

}

XStream xstream = new XStream();

xstream.alias("book", BookInfo.class);

xstream.alias("author", PersonInfo.class);

InputStream inStream = XStreamDemo.class

???????? .getResourceAsStream("/com/cownew/Char0503/Books.xml");

InputStreamReader reader = new InputStreamReader(inStream);

BookInfo book = (BookInfo) xstream.fromXML(reader);

StringBuffer sb = new StringBuffer();

sb.append(book.getName()).append(" 的作者 ");

sb.append(book.getAuthor().getName()).append(" 的 Email 為 :");

sb.append(book.getAuthor().getEmail());

System.out.println(sb);

List bookList = new ArrayList();

PersonInfo p1 = new PersonInfo();

p1.setName("Tom");

p1.setEmail("Tom@mail.com");

PersonInfo p2 = new PersonInfo();

p2.setName("Jerry");

p2.setEmail("Jerry@mail.com");

????

BookInfo book1 = new BookInfo();

book1.setName("About Face");

book1.setAuthor(p1);

????

BookInfo book2 = new BookInfo();

book2.setName("UI Design");

book2.setAuthor(p2);

????

bookList.add(book1);

bookList.add(book2);

????

XStream xstream = new XStream();

String xml = xstream.toXML(bookList);

System.out.println(xml);

????

List list = (List) xstream.fromXML(xml);

for(int i=0,n=list.size();i<n;i++)

{

???? BookInfo book = (BookInfo) list.get(i);

???? StringBuffer sb = new StringBuffer();

???? sb.append(book.getName()).append(" 的作者 ");

???? sb.append(book.getAuthor().getName()).append(" 的 Email 為 :");

???? sb.append(book.getAuthor().getEmail());

???? System.out.println(sb);

}