JProgressBar_1

package com.han;import java.awt.Container;import java.awt.FlowLayout;import java.awt.GridLayout;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import javax.swing.JButton;import javax.swing.JFrame;import javax.swing.JLabel;import javax.swing.JPanel;import javax.swing.JProgressBar;public class JProgressBar_1 extends JFrame {private static final long serialVersionUID = 6823378424400186364L;static JProgressBar_1 frame;public JProgressBar_1() {// TODO Auto-generated constructor stubJLabel label = new JLabel("欢迎使用在线升级功能！");JProgressBar progressBar = new JProgressBar();JButton button = new JButton("完成");button.setEnabled(false);Container container = getContentPane();container.setLayout(new GridLayout(3, 1));JPanel panel1= new JPanel(new FlowLayout(FlowLayout.LEFT));JPanel panel2= new JPanel(new FlowLayout(FlowLayout.CENTER));JPanel panel3= new JPanel(new FlowLayout(FlowLayout.RIGHT));panel1.add(label);panel2.add(progressBar);panel3.add(button);container.add(panel1);container.add(panel2);container.add(panel3);progressBar.setStringPainted(true);progressBar.setString("升级进行中...");//progressBar.setIndeterminate(true);new Progress(progressBar, button).start();button.addActionListener(new ActionListener() {@Overridepublic void actionPerformed(ActionEvent e) {// TODO Auto-generated method stubdispose();System.exit(0);}});}private class Progress extends Thread {JProgressBar progressBar;JButton button;int[] progressValues = {6, 18, 27, 39, 51, 66, 81, 100};Progress(JProgressBar progressBar, JButton button) {this.progressBar = progressBar;this.button = button;}public void run() {for (int i = 0; i < progressValues.length; i++) {try {Thread.sleep(1000);} catch (InterruptedException e) {// TODO Auto-generated catch blocke.printStackTrace();}progressBar.setValue(progressValues[i]);}progressBar.setIndeterminate(false);progressBar.setString("升级完成！");button.setEnabled(true);}}/** * @param args */public static void main(String[] args) {// TODO Auto-generated method stubframe = new JProgressBar_1();frame.setTitle("使用进度条");frame.setVisible(true);frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);frame.pack();}}