swing 进度条

package com.org.system.login;


import java.awt.Dialog;

import java.awt.Frame;

import java.awt.Window;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.awt.event.ComponentAdapter;

import java.awt.event.ComponentEvent;


import javax.swing.JButton;

import javax.swing.JDialog;

import javax.swing.JLabel;

import javax.swing.JOptionPane;

import javax.swing.JPanel;

import javax.swing.JProgressBar;


public class Test7 implements ActionListener{


    private static final String DEFAULT_STATUS = "Please Waiting";

    private JDialog dialog;

    private JProgressBar progressBar;

    private JLabel lbStatus;

    private JButton btnCancel;

    private Window parent;

    private Thread thread;  //处理业务的线程

    private String statusInfo;

    private String resultInfo;

    private String cancelInfo;


    public static void show(Window parent, Thread thread){

        new Test7(parent, thread, DEFAULT_STATUS, null, null);

    }

    public static void show(Window parent, Thread thread, String statusInfo){

        new Test7(parent, thread, statusInfo, null, null);

    }

    public static void show(Window parent, Thread thread, String statusInfo,String resultInfo, String cancelInfo){

        new Test7(parent, thread, statusInfo, resultInfo, cancelInfo);

    }

    private Test7(Window parent, Thread thread, String statusInfo,String resultInfo, String cancelInfo){

        this.parent = parent;

        this.thread = thread;

        this.statusInfo = statusInfo;

        this.resultInfo = resultInfo;

        this.cancelInfo = cancelInfo;

        initUI();

        startThread();

        dialog.setVisible(true);

    }

    private void initUI(){

        if(parent instanceof Dialog){

            dialog = new JDialog((Dialog)parent,  true);

        }else if(parent instanceof Frame){

            dialog = new JDialog((Frame)parent,  true);

        }else{

            dialog = new JDialog((Frame)null,  true);

        }

        final JPanel mainPane = new JPanel(null);

        progressBar = new JProgressBar();

        lbStatus = new JLabel(statusInfo,JLabel.CENTER);

        btnCancel = new JButton("Cancel");

        progressBar.setIndeterminate(true);

        btnCancel.addActionListener(this);


        mainPane.add(progressBar);

        mainPane.add(lbStatus);

        //mainPane.add(btnCancel);


        dialog.getContentPane().add(mainPane);

        dialog.setUndecorated(true); // 除去title

        dialog.setResizable(true);

        dialog.setSize(390, 100);

        dialog.setLocationRelativeTo(parent); //设置此窗口相对于指定组件的位置


        dialog.setDefaultCloseOperation(JDialog.DO_NOTHING_ON_CLOSE); // 不允许关闭


        mainPane.addComponentListener(new ComponentAdapter(){

            public void componentResized(ComponentEvent e){

                layout(mainPane.getWidth(), mainPane.getHeight());

            }

        });

    }


    private void startThread(){

        new Thread(){

            public void run(){

                try{

                    thread.start(); // 处理耗时任务

                    // 等待事务处理线程结束

                    thread.join();

                }catch(InterruptedException e){

                    e.printStackTrace();

                }finally{

                    // 关闭进度提示框

                    dialog.dispose();

                    if(resultInfo != null && !resultInfo.trim().equals("")){

                        JOptionPane.showMessageDialog(parent, resultInfo, "操作成功",JOptionPane.INFORMATION_MESSAGE);

                    }

                }

            }

        }.start();

    }


    private void layout(int width, int height){

        progressBar.setBounds(20, 20, 350, 15);

        lbStatus.setBounds(20, 50, 350, 25);

        btnCancel.setBounds(width - 85, height - 31, 75, 21);

    }


    @SuppressWarnings("deprecation")

    public void actionPerformed(ActionEvent e){

        resultInfo = cancelInfo;

        thread.stop();

    }

    public static void main(String[] args) throws Exception{

        Thread thread = new Thread(){

            public void run(){

                int index = 0;

                while(index