由于在学习xml的解析，闲着没事干，就练习一下DOM对xml文件的增删改查，所以就出现了该《xml版的通讯录信息管理系统1.0》

目录结构：

显示效果：

源码：

stuInfo.xml

<?xml version="1.0" encoding="UTF-8"?>
<addresslist>
	<people>
		<name>小风</name>
		<sex>女</sex>
		<qq>56986259</qq>
		<age>33</age>
		<address>中国天津</address>
		<phone>15856951146</phone>
	</people>
	<people>
		<name>莉莉</name>
		<sex>女</sex>
		<qq>233453454</qq>
		<age>33</age>
		<address>上海</address>
		<phone>15395101737</phone>
	</people>
	<people>
		<name>张三</name>
		<sex>男</sex>
		<qq>454688112</qq>
		<age>22</age>
		<address>上海</address>
		<phone>18255173798</phone>
	</people>
	<people>
		<name>李四</name>
		<sex>男</sex>
		<qq>455555</qq>
		<age>16</age>
		<address>未知</address>
		<phone>18355166330</phone>
	</people>
	<people>
		<name>小红</name>
		<sex>男</sex>
		<qq>458954</qq>
		<age>99</age>
		<address>未知</address>
		<phone>15395102086</phone>
	</people>
	<people>
		<name>小明</name>
		<sex>男</sex>
		<qq>498651978</qq>
		<age>22</age>
		<address>安徽合肥</address>
		<phone>15395073025</phone>
	</people>
</addresslist>

AddressList.java

package com.ifly.classpractice.day7_31.addressList;

import java.awt.Container;
import java.awt.FlowLayout;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.io.File;
import java.io.FileOutputStream;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import javax.swing.BorderFactory;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.JTextField;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;

import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

public class AddressList extends JFrame implements ActionListener {

	private static final long serialVersionUID = 1L;

	private JButton addRecord = new JButton("添 加");
	private JButton lookup = new JButton("查 找");
	private JButton delete = new JButton("刪 除");
	private JButton showAllResult = new JButton("所 有");
	private JButton change = new JButton("修 改");
	private JButton reset = new JButton("清 零");

	private JTextField qq = new JTextField(8); // 构造一个具有指定列数的新的空 TextField。
	private JTextField name = new JTextField(8);
	private Object[] sex = { "男","女" };
	private JComboBox gender = new JComboBox(sex);
	private JTextField age = new JTextField(8);
	private JTextField address = new JTextField(15);
	private JTextField phone = new JTextField(10);

	private Object[] columnNames = { "姓名","性别","QQ","年龄","地址","联系电话" };
	private Object[][] studentInfo = new Object[53][6]; // 初始化表格的行数和列数
	private JTable table = new JTable(studentInfo,columnNames);
	private Document doc;

	private File xmlFile = null;

	public static void main(String[] args) {
		new AddressList();
	}

	public AddressList() {
		this.setSize(720,650);
		this.setTitle("通讯录");
		this.setVisible(true); // 设置可见
		// 设置窗口的大小是否可被改变
		this.setResizable(false);
		this.setDefaultCloSEOperation(JFrame.EXIT_ON_CLOSE); // 退出应用程序后的默认窗口关闭操作。

		// 将窗体居中显示
		double width = Toolkit.getDefaultToolkit().getScreenSize().getWidth();
		double height = Toolkit.getDefaultToolkit().getScreenSize().getHeight();
		this.setLocation((int) (width - this.getWidth()) / 2,(int) (height - this.getHeight()) / 2);

		// 将文本域加边框
		qq.setBorder(BorderFactory.createTitledBorder("QQ"));
		name.setBorder(BorderFactory.createTitledBorder("姓名"));
		gender.setBorder(BorderFactory.createTitledBorder("性别"));
		age.setBorder(BorderFactory.createTitledBorder("年龄"));
		address.setBorder(BorderFactory.createTitledBorder("地址"));
		phone.setBorder(BorderFactory.createTitledBorder("电话号码"));

		Container con1 = getContentPane();
		con1.setLayout(new FlowLayout()); // 创建一个流式布局
		con1.add(name);
		con1.add(gender);
		con1.add(age);
		con1.add(qq);
		con1.add(address);
		con1.add(phone);

		Container con2 = getContentPane();
		con2.setLayout(new FlowLayout());
		con2.add(lookup);
		con2.add(delete);
		con2.add(showAllResult);
		con2.add(addRecord);
		con2.add(change);
		con2.add(reset);

		Container con3 = getContentPane();
		JScrollPane js = new JScrollPane(table);
		con3.add(js);

		this.validate(); // 显示上面的三个容器

		init(); // 初始化表格

		addRecord.addActionListener(this);
		lookup.addActionListener(this);
		delete.addActionListener(this);
		showAllResult.addActionListener(this);
		change.addActionListener(this);
		reset.addActionListener(this);

		// 在发生操作事件时，调用该对象的 actionPerformed 方法。
		// 为表格添加单击事件 匿名类实现
		table.addMouseListener(new MouseAdapter() {
			@Override
			public void mouseClicked(MouseEvent e) {
				// System.out.println(table.getSelectedRow());
				name.setText((String) studentInfo[table.getSelectedRow()][0]);
				if (((String) studentInfo[table.getSelectedRow()][1])
						.equals("男")) {// 判断是男还是女
					gender.setSelectedIndex(0);
				} else {
					gender.setSelectedIndex(1);
				}
				qq.setText((String) studentInfo[table.getSelectedRow()][2]);
				age.setText((String) studentInfo[table.getSelectedRow()][3]);
				address.setText((String) studentInfo[table.getSelectedRow()][4]);
				phone.setText((String) studentInfo[table.getSelectedRow()][5]);
			}
		});

	}

	/**
	 * 加载xml 文档对象模型
	 * 
	 * @return
	 * @throws Exception
	 */
	public Document getDocument() throws Exception {
		// 加载xml
		xmlFile = new File(
				"src/com/ifly/classpractice/day7_31/addressList/stuInfo.xml");
		DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
		DocumentBuilder builder = factory.newDocumentBuilder();
		Document doc = builder.parse(xmlFile);
		return doc;
	}

	/**
	 * 初始化表格
	 */
	public void init() {
		for (int i = 0; i < table.getRowCount(); i++) {
			studentInfo[i][0] = "";
			studentInfo[i][1] = "";
			studentInfo[i][2] = "";
			studentInfo[i][3] = "";
			studentInfo[i][4] = "";
			studentInfo[i][5] = "";
		}
		try {
			doc = getDocument();
			Element root = doc.getDocumentElement();
			NodeList names = root.getElementsByTagName("name");
			NodeList sexes = root.getElementsByTagName("sex");
			NodeList qqs = root.getElementsByTagName("qq");
			NodeList ages = root.getElementsByTagName("age");
			NodeList addresses = root.getElementsByTagName("address");
			NodeList phones = root.getElementsByTagName("phone");

			for (int i = 0; i < names.getLength(); i++) {
				studentInfo[i][0] = names.item(i).getTextContent();
				studentInfo[i][1] = sexes.item(i).getTextContent();
				studentInfo[i][2] = qqs.item(i).getTextContent();
				studentInfo[i][3] = ages.item(i).getTextContent();
				studentInfo[i][4] = addresses.item(i).getTextContent();
				studentInfo[i][5] = phones.item(i).getTextContent();
			}

			// Component类的方法， 重绘此组件
			repaint();
		} catch (Exception e) {
			e.printStackTrace();
		}
	}

	/*
	 * 年龄，qq,电话
	 */
	public boolean check(String str,String regex) {

		Pattern pat = Pattern.compile(regex);
		Matcher mat = pat.matcher(str);
		if (mat.matches()) {
			return true;
		}
		return false;

	}

	@Override
	public void actionPerformed(ActionEvent e) {
		if (addRecord == e.getSource()) {
			// 验证
			if (name.getText().equals("")) {
				JOptionPane.showMessageDialog(null,"请填写姓名!","添加",JOptionPane.WARNING_MESSAGE);
				return;
			}
			if (!check(age.getText().trim(),"^1[6-9]$|^[2-9][0-9]$")) {
				JOptionPane.showMessageDialog(null,"请填写正确的年龄（16~99）!",JOptionPane.WARNING_MESSAGE);
				return;
			}
			if (!check(qq.getText().trim(),"^[1-9][0-9]{4,}$")) {
				JOptionPane.showMessageDialog(null,"请填写正确的QQ!",JOptionPane.WARNING_MESSAGE);
				return;
			}
			if (!check(phone.getText().trim(),"^((13[0-9])|(15[^4,\\D])|(18[0,5-9]))\\d{8}$")) {
				JOptionPane.showMessageDialog(null,"请填写正确的手机号!",JOptionPane.WARNING_MESSAGE);
				return;
			}

			String n = "",s = "",q = "",a = "",ad = "",p = "";
			try {
				n = name.getText();
			} catch (Exception e2) {
				n = "";
			}
			try {
				s = (String) (gender.getSelectedItem());
			} catch (Exception e3) {
				s = "";
			}
			try {
				q = qq.getText();
			} catch (Exception e4) {
				q = "";
			}
			try {
				a = age.getText();
			} catch (Exception e5) {
				a = "";
			}
			try {
				ad = address.getText();
			} catch (Exception e6) {
				ad = "";
			}
			try {
				p = phone.getText();
			} catch (Exception e7) {
				p = "";
			}
			try {
				Node root = doc.getFirstChild(); // 得到根节点
				// System.out.println(root.getNodeName());
				// 创建一个新节点，并将该节点加入到root根节点后面
				root.appendChild(createStudentNode(doc,n,s,q,a,ad,p));

				// 对新加的信息进行保存操作
				TransformerFactory transformerFactory = TransformerFactory
						.newInstance();
				Transformer transformer = transformerFactory.newTransformer();
				transformer.transform(new DOMSource(root),new StreamResult(
						new FileOutputStream(xmlFile)));
				// 重新加载表格
				JOptionPane.showMessageDialog(null,"添加成功",JOptionPane.INFORMATION_MESSAGE);
				init();
				resetFiled();

			} catch (Exception e8) {
				e8.printStackTrace();
			}
		}

		if (delete == e.getSource()) {

			if (name.getText().equals("")) {
				JOptionPane.showMessageDialog(null,"请选择一行!","删除",JOptionPane.WARNING_MESSAGE);
				return;
			}

			try {
				// System.out.println(table.getSelectedRow());
				Element root = doc.getDocumentElement();

				// 这边模拟删除，我设置性别这项不可能为空，所以利用性别来找到其父元素，根据父元素来删除
				root.removeChild(root.getElementsByTagName("sex")
						.item(table.getSelectedRow()).getParentNode());

				TransformerFactory transformerFactory = TransformerFactory
						.newInstance();
				Transformer transformer = transformerFactory.newTransformer();
				transformer.transform(new DOMSource(root),new StreamResult(
						new FileOutputStream(xmlFile)));
				JOptionPane.showMessageDialog(null,"删除成功",JOptionPane.INFORMATION_MESSAGE);
				// 将文本框清空
				resetFiled();
				// 重新初始化表格
				init();
			} catch (Exception e9) {
				e9.printStackTrace();
			}
		}

		if (lookup == e.getSource()) {
			// 简单的只提供根据姓名查找
			String lookupName = name.getText();
			try {
				for (int i = 0; i < table.getRowCount(); i++) {
					studentInfo[i][0] = "";
					studentInfo[i][1] = "";
					studentInfo[i][2] = "";
					studentInfo[i][3] = "";
					studentInfo[i][4] = "";
					studentInfo[i][5] = "";
				}

				doc = getDocument();
				Element root = doc.getDocumentElement();
				NodeList names = root.getElementsByTagName("name");
				NodeList sexes = root.getElementsByTagName("sex");
				NodeList qqs = root.getElementsByTagName("qq");
				NodeList ages = root.getElementsByTagName("age");
				NodeList addresses = root.getElementsByTagName("address");
				NodeList phones = root.getElementsByTagName("phone");

				int index = 0;
				for (int i = 0; i < names.getLength(); i++) {
					if (names.item(i).getTextContent().equals(lookupName)) {
						studentInfo[index][0] = names.item(i).getTextContent();
						studentInfo[index][1] = sexes.item(i).getTextContent();
						studentInfo[index][2] = qqs.item(i).getTextContent();
						studentInfo[index][3] = ages.item(i).getTextContent();
						studentInfo[index][4] = addresses.item(i)
								.getTextContent();
						studentInfo[index][5] = phones.item(i).getTextContent();
						index++;
					}
				}
				repaint();
			} catch (Exception e8) {
				e8.printStackTrace();
			}
		}

		if (showAllResult == e.getSource()) {
			init();
		}

		if (change == e.getSource()) {
			String n = "",p = "";
			if (name.getText().equals("")) {
				JOptionPane.showMessageDialog(null,"修改",JOptionPane.WARNING_MESSAGE);
				return;
			}
			try {
				n = name.getText();
			} catch (Exception e2) {
				n = "";
			}
			try {
				s = (String) (gender.getSelectedItem());
			} catch (Exception e3) {
				s = "";
			}
			try {
				q = qq.getText();
			} catch (Exception e4) {
				q = "";
			}
			try {
				a = age.getText();
			} catch (Exception e5) {
				a = "";
			}
			try {
				ad = address.getText();
			} catch (Exception e6) {
				ad = "";
			}
			try {
				p = phone.getText();
			} catch (Exception e7) {
				p = "";
			}
			try {
				Element root = doc.getDocumentElement();
				// 替换节点
				root.replaceChild(
						createStudentNode(doc,p),root.getElementsByTagName("sex")
								.item(table.getSelectedRow()).getParentNode());

				TransformerFactory transformerFactory = TransformerFactory
						.newInstance();
				Transformer transformer = transformerFactory.newTransformer();
				transformer.transform(new DOMSource(root),"修改成功",JOptionPane.INFORMATION_MESSAGE);
				init();
			} catch (Exception e8) {
				e8.printStackTrace();
			}
		}

		if (reset == e.getSource()) {
			resetFiled();
		}
	}

	/**
	 * 清空文本框
	 */
	public void resetFiled() {
		qq.setText("");
		name.setText("");
		phone.setText("");
		age.setText("");
		address.setText("");

		table.clearSelection();
	}

	/**
	 * 
	 * @param doc
	 * @param n
	 * @param s
	 * @param q
	 * @param a
	 * @param ad
	 * @param p
	 * @return
	 */
	public Node createStudentNode(Document doc,String n,String s,String q,String a,String ad,String p) {
		Element people2 = doc.createElement("people");
		try {
			Element name2 = doc.createElement("name");
			Element sex2 = doc.createElement("sex");
			Element qq2 = doc.createElement("qq");
			Element age2 = doc.createElement("age");
			Element address2 = doc.createElement("address");
			Element phone2 = doc.createElement("phone");

			name2.setTextContent(n);
			sex2.setTextContent(s);
			qq2.setTextContent(q);
			age2.setTextContent(a);
			address2.setTextContent(ad);
			phone2.setTextContent(p);

			people2.appendChild(name2);
			people2.appendChild(sex2);
			people2.appendChild(qq2);
			people2.appendChild(age2);
			people2.appendChild(address2);
			people2.appendChild(phone2);
		} catch (Exception e) {
			e.printStackTrace();
		}
		return people2;
	}

}

源码地址：http://pan.baidu.com/s/1kTsWzg7