java在复制文件时使用进度条

package com.mingrisoft;import java.awt.EventQueue;import java.awt.FileDialog;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import javax.swing.JButton;import javax.swing.JFileChooser;import javax.swing.JFrame;import javax.swing.JLabel;import javax.swing.JPanel;import javax.swing.JTextField;import javax.swing.SwingUtilities;import javax.swing.UIManager;import javax.swing.border.EmptyBorder;public class UserMonitorFrame extends JFrame implements Runnable { /** * */ private static final long serialVersionUID = -746616564388262788L; private JPanel contentPane; private JTextField pathTextField; private JTextField saveTextField; /** * Launch the application. */ public static void main(String[] args) { EventQueue.invokeLater(new Runnable() { public void run() { try { UserMonitorFrame frame = new UserMonitorFrame(); frame.setVisible(true); } catch (Exception e) { e.printStackTrace(); } } }); } /** * Create the frame. */ public UserMonitorFrame() { setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); setBounds(100, 100, 481, 231); contentPane = new JPanel(); contentPane.setBorder(new EmptyBorder(5, 5, 5, 5)); setContentPane(contentPane); contentPane.setLayout(null); setTitle("在复制文件时使用进度条"); JPanel panel = new JPanel(); panel.setBounds(0, 0, 465, 262); contentPane.add(panel); panel.setLayout(null); JLabel pathLabel = new JLabel("文件地址："); pathLabel.setBounds(42, 45, 72, 15); panel.add(pathLabel); pathTextField = new JTextField(); pathTextField.setBounds(124, 42, 197, 21); panel.add(pathTextField); pathTextField.setColumns(10); JButton pathButton = new JButton("选择文件"); pathButton.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent arg0) { do_pathButton_actionPerformed(arg0); } }); pathButton.setBounds(341, 41, 93, 23); panel.add(pathButton); JLabel saveLabel = new JLabel("复制地址："); saveLabel.setBounds(42, 104, 72, 15); panel.add(saveLabel); saveTextField = new JTextField(); saveTextField.setBounds(124, 101, 197, 21); panel.add(saveTextField); saveTextField.setColumns(10); JButton saveButton = new JButton("选择地址"); saveButton.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent arg0) { do_saveButton_actionPerformed(arg0); } }); saveButton.setBounds(341, 100, 93, 23); panel.add(saveButton); JButton copyButton = new JButton("确定复制"); copyButton.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent arg0) { do_copyButton_actionPerformed(arg0); } }); copyButton.setBounds(169, 145, 93, 23); panel.add(copyButton); } // 定义获取只可以选择文件夹的选择框 public JFileChooser getChooser() { JFileChooser fd = new JFileChooser(); String windows = "com.sun.java.swing.plaf.windows.WindowsLookAndFeel"; try { UIManager.setLookAndFeel(windows); } catch (Exception e) { e.printStackTrace(); }// 设置见面风格 SwingUtilities.updateComponentTreeUI(fd);// 使设置的界面风格生效 fd.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY); // 指示只显示目录 fd.showOpenDialog(this); return fd; } //选择要复制的文件按钮的单击事件 protected void do_pathButton_actionPerformed(ActionEvent arg0) { FileDialog fd=new FileDialog(this); fd.setVisible(true); String filePath = fd.getDirectory() fd.getFile(); pathTextField.setText(filePath); } //选择保存文件地址的按钮单击事件 protected void do_saveButton_actionPerformed(ActionEvent arg0) { JFileChooser fd = getChooser(); if ((fd.getSelectedFile() != null) && (!fd.getSelectedFile().equals(""))) { String strPath = fd.getSelectedFile().getPath(); saveTextField.setText(strPath); } } //确定复制按钮单击事件 protected void do_copyButton_actionPerformed(ActionEvent arg0) { Thread thread = new Thread(this); thread.start(); } //应用多线程技术实现读取操作 @Override public void run() { ProgressMonitorTest test = new ProgressMonitorTest(); String path = pathTextField.getText(); String save = saveTextField.getText(); test.useProgressMonitor(this,path,save path.substring(path.lastIndexOf("."),path.length())); }}