使用jnotify监视目录变化代码示例，jnotify示例,import java.

使用jnotify监视目录变化代码示例，jnotify示例,import java.

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");        }    }}