没事了自个儿写一个进度条,测试通过
没事了自己写一个进度条,测试通过
有什么不足的地方欢迎大家指导……
import javax.swing.*; import java.awt.*; import java.awt.event.*; public class Test extends JFrame { private JButton button = null; private JButton OKButton = null; private JProgressBar progressBar = null; JPanel panel = null; private int value = 0; public Test(){ Container contentPane = getContentPane(); progressBar = new JProgressBar(); button = new JButton("升级"); OKButton = new JButton("完成"); panel = new JPanel(); panel.add(button); panel.add(OKButton); JPanel panel_progress = new JPanel(); panel_progress.add(progressBar); progressBar.setString("升级中……"); progressBar.setForeground(Color.RED); progressBar.setValue(0); progressBar.setStringPainted(true); //显示提示信息 progressBar.setPreferredSize(new Dimension(300,20)); // progressBar.setBorder(BorderFactory.createEtchedBorder()); //设置按钮的大小 button.setPreferredSize(new Dimension(60,30)); OKButton.setPreferredSize(new Dimension(60,30)); button.addActionListener(new ActionListener(){ public void actionPerformed(ActionEvent e) { new ProgressBarThread().start(); } }); OKButton.addActionListener(new ActionListener(){ public void actionPerformed(ActionEvent e){ System.exit(0); } }); OKButton.setEnabled(false); setSize(500, 500); setLayout(new BorderLayout()); contentPane.add(panel,BorderLayout.NORTH); contentPane.add(panel_progress,BorderLayout.CENTER); setVisible(true); setDefaultCloseOperation(EXIT_ON_CLOSE); } class ProgressBarThread extends Thread{ public void run() { while(value<=100){ value += 10; try { Thread.sleep(500); } catch (InterruptedException e) { e.printStackTrace(); } progressBar.setValue(value); if(value == 100){ button.setEnabled(false); OKButton.setEnabled(true); } } } } public static void main(String[] args) { new Test(); } }
有什么不足的地方欢迎大家指导……