java监听硬盘的创建、修改删除文件的demo（需要jnotify-lib-0.93.rar ）-优快云博客

本文介绍了一个使用Java实现的简易文件监控系统。该系统通过Swing创建GUI界面，允许用户指定监控目录，并能实时显示文件创建、修改、删除及重命名等操作记录。

import java.awt.*; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.*; import javax.swing.border.EmptyBorder; import net.contentobjects.jnotify.JNotify; import net.contentobjects.jnotify.JNotifyListener; public class MainFrame extends JFrame{ /** * TODO 添加字段注释 */ private static final long serialVersionUID = 1L; private JPanel contentPane; private JTextField textField; private JTextArea textArea; public static void main(String[] args){ EventQueue.invokeLater(new Runnable(){ public void run(){ try{ MainFrame frame = new MainFrame(); frame.setVisible(true); } catch (Exception e){ e.printStackTrace(); } } }); } public MainFrame(){ setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); setBounds(100, 100, 543, 300); contentPane = new JPanel(); contentPane.setBorder(new EmptyBorder(5, 5, 5, 5)); setContentPane(contentPane); contentPane.setLayout(null); JLabel label = new JLabel("监控路径："); label.setBounds(33, 20, 65, 15); contentPane.add(label); textField = new JTextField("D:/"); textField.setBounds(90, 16, 219, 21); contentPane.add(textField); textField.setColumns(10); JButton button = new JButton("开始监控"); button.addActionListener(new ActionListener(){ public void actionPerformed(ActionEvent e){ try{ addWatch(); } catch (Exception ex){ ex.printStackTrace(); } } }); button.setBounds(319, 16, 93, 23); contentPane.add(button); textArea = new JTextArea(); JScrollPane scrollPane = new JScrollPane(textArea); scrollPane.setBounds(33, 45, 480, 207); contentPane.add(scrollPane); } public void addWatch() throws Exception{ String path = textField.getText(); int mask = JNotify.FILE_CREATED | JNotify.FILE_DELETED | JNotify.FILE_MODIFIED | JNotify.FILE_RENAMED; boolean watchSubtree = true; //添加文件监听 JNotify.addWatch(path, mask, watchSubtree, new Listener()); } class Listener implements JNotifyListener{ public void fileRenamed(int wd, String rootPath, String oldName, String newName){ textArea.append("文件：" + rootPath + " : " + oldName + " 重命名为： " + newName + "/n"); } public void fileModified(int wd, String rootPath, String name){ textArea.append("文件修改 " + rootPath + " : " + name + "/n"); } public void fileDeleted(int wd, String rootPath, String name){ textArea.append("删除文件： " + rootPath + " : " + name + "/n"); } public void fileCreated(int wd, String rootPath, String name){ textArea.append("新建文件: " + rootPath + " : " + name + "/n"); } } }