java使用swing实现文件的移动和复制（含进度条）

import java.io.FileInputStream;

import java.io.*;

import javax.swing.JFrame;

import javax.swing.ProgressMonitorInputStream;

public class ProgressMonitorTest {



    public void useProgressMonitor(JFrame frame, String copyPath, String newPath) {

        try {

            File file = new File(copyPath); // 根据要复制的文件创建File对象

            File newFile = new File(newPath); // 根据复制后文件的保存地址创建File对象

            FileOutputStream fop = new FileOutputStream(newFile); // 创建FileOutputStream对象

            InputStream in = new FileInputStream(file);

            // 读取文件，如果总耗时超过2秒，将会自动弹出一个进度监视窗口。

            ProgressMonitorInputStream pm = new ProgressMonitorInputStream(   //进度条

                    frame, "文件读取中，请稍后...", in);

            int c = 0;

            byte[] bytes = new byte[102]; // 定义byte数组

            while ((c = pm.read(bytes)) != -1) { // 循环读取文件

                fop.write(bytes, 0, c); // 通过流写数据

            }

            fop.close(); // 关闭输出流

            pm.close(); // 关闭输入流

        } catch (Exception ex) {

            ex.printStackTrace();

        }

    }

}

import javax.swing.*;



import java.awt.BorderLayout;

import java.awt.Desktop;

import java.awt.Dimension;

import java.awt.EventQueue;

import java.awt.GridBagConstraints;

import java.awt.GridBagLayout;

import java.awt.Insets;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.io.File;

import java.io.FileNotFoundException;

import java.io.FileReader;

import java.io.FileWriter;

import java.io.IOException;



import javax.swing.JButton;

import javax.swing.JFileChooser;

import javax.swing.JFrame;

import javax.swing.JLabel;

import javax.swing.JOptionPane;

import javax.swing.JPanel;

import javax.swing.JTextField;

import javax.swing.border.EmptyBorder;

import javax.swing.filechooser.FileNameExtensionFilter;



public class Swing extends JFrame implements Runnable{    //继承JFrame使自己成为一个窗口



    private static final long serialVersionUID = 8674569541853793419L;

    private JPanel contentPane;

    private JTextField fileField;

    private JTextField searchTextField;

    private JTextField replaceTextField;

    private File file;

    private JTextField textField;

    private JTextField textField_1;

    private int sign=1;



    public static void main(String[] args) {

        EventQueue.invokeLater(new Runnable() {

            public void run() {

                try {

                    Swing frame = new Swing();

                    frame.setVisible(true);

                } catch (Exception e) {

                    e.printStackTrace();

                }

            }

        });

    }



    public Swing() {

        setResizable(false);   //设置此窗体是否可由用户调整大小

        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);   //可以起到关闭程序与停止dos运行的目的.

        setBounds(100, 100, 501, 184);

        setTitle("在读取文件时使用进度条");

        getContentPane().setLayout(null);



        JLabel label = new JLabel("文件地址：");

        label.setBounds(10, 10, 70, 15);

        getContentPane().add(label);   //初始化一个容器，用来在容器上添加一些控件



        textField = new JTextField();  //文本框

        textField.setBounds(90, 7, 300, 21);

        getContentPane().add(textField);

        textField.setColumns(10);



        JButton button = new JButton("选择文件");

        button.addActionListener(new ActionListener() {

            public void actionPerformed(ActionEvent e) {

                do_button_actionPerformed(e);

            }

        });

        button.setBounds(400, 6, 93, 23);

        getContentPane().add(button);



        JLabel label_1 = new JLabel("复制地址：");

        label_1.setBounds(10, 40, 70, 15);

        getContentPane().add(label_1);



        textField_1 = new JTextField();

        textField_1.setBounds(90, 38, 300, 21);

        getContentPane().add(textField_1);

        textField_1.setColumns(10);



        JButton button_1 = new JButton("选择地址");

        button_1.addActionListener(new ActionListener() {

            public void actionPerformed(ActionEvent e) {

                do_button_1_actionPerformed(e);

            }

        });

        button_1.setBounds(400, 39, 93, 23);

        getContentPane().add(button_1);



        JButton button_2 = new JButton("开始复制");

        button_2.addActionListener(new ActionListener() {

            public void actionPerformed(ActionEvent e) {

                do_copyButton_actionPerformed(e);

            }

        });

        button_2.setBounds(100, 69, 93, 23);

        getContentPane().add(button_2);



        JButton button_3 = new JButton("开始移动");

        button_3.addActionListener(new ActionListener() {

            public void actionPerformed(ActionEvent e) {

                sign=0;

                do_moveButton_actionPerformed(e);

            }

        });

        button_3.setBounds(250, 69, 93, 23);

        getContentPane().add(button_3);

    }

    protected void do_button_actionPerformed(ActionEvent e){

        JFileChooser chooser=new JFileChooser();   //打开文件选择器

        chooser.setFileSelectionMode(JFileChooser.FILES_ONLY);    //只能选择文件

        // 显示文件打开对话框

        int option = chooser.showOpenDialog(this);   //这个参数决定你弹出文件选择器的位置，null———当前电脑显示器屏幕的中央，this———当前你编写的程序屏幕中央

        // 确定用户按下打开按钮，而非取消按钮

        if (option != JFileChooser.APPROVE_OPTION)

            return;

        // 获取用户选择的文件对象

        file = chooser.getSelectedFile();

        // 显示文件信息到文本框

        textField.setText(file.toString());

    }

    protected void do_button_1_actionPerformed(ActionEvent e){

        JFileChooser chooser=new JFileChooser();

        chooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);  //只能选择目录

        int option=chooser.showOpenDialog(this);

        if(option!=JFileChooser.APPROVE_OPTION)

            return;

        file=chooser.getSelectedFile();

        textField_1.setText(file.toString());

    }

    //确定复制按钮单击事件

    protected void do_copyButton_actionPerformed(ActionEvent arg0) {

        Thread thread = new Thread(this);

        thread.start();

    }

    protected void do_moveButton_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 = textField.getText();

        String save = textField_1.getText();

        test.useProgressMonitor(this,path,save+path.substring(path.lastIndexOf("\\"),path.length()));

        if(sign==0){

            File f = new File(path);

            f.delete();

            sign=1;

        }

    }

}