JAVA GUI学习 - JProgressBar进度条组件摘录

 public class JProgressBarTest  extends JFrame{
 
     public JProgressBarTest() {
         super();
         setTitle("表格");
         setBounds(100,100,350,150);
         setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
         final JButton button = new JButton("           ");
         final JButton button2 = new JButton("完成");
         button2.setEnabled(false); //初始化时不可用
         button.setBounds(100,100,100,100);
 
         final JProgressBar progressBar = new JProgressBar();
         progressBar.setStringPainted(true);  //显示提示信息
         progressBar.setIndeterminate(false);   //确定进度的进度条
         //progressBar.setIndeterminate(true);   //不确定进度的进度条
 //        progressBar.setString("升级中...");    //确定信息时加上此条，则提示升级中，没有%比，如是不加上这个，则会提示%
         setLayout(new FlowLayout(2,10,10));
         getContentPane().add(button);  //布局处理
         getContentPane().add(button2);  //布局处理
         getContentPane().add(progressBar);  //布局处理
         new Progress(progressBar,button2).start();   //自定义类progress
     }
 
     /**
      * @param args
      */
     public static void main(String[] args) {
         // TODO Auto-generated method stub
         JProgressBarTest jProgressBarTest = new JProgressBarTest();
         jProgressBarTest.setVisible(true);
     }
 
 }
 class Progress extends Thread{//自定义类progress
     private final int []progressValue = {2,4,6,8,10,12,14,16,18,20,22,24,26,28,30,32,34,36,38,40,42,44,46,48,50,52,54,56,58,60,
             62,64,66,68,70,72,74,76,78,80,82,84,86,88,90,92,94,96,98,100};
     private JProgressBar progressBar;
     private JButton button;
     public Progress(JProgressBar progressBar,JButton button)
     {
         this.progressBar = progressBar;
         this.button =button;
     }
     public void run()
     {
         for(int i=0;i<progressValue.length;i++)
         {
             try
             {
                 Thread.sleep(100);
             }catch(Exception e)
             {
                 e.printStackTrace();
             }
             progressBar.setValue(progressValue[i]);  //进度值
         }
         progressBar.setIndeterminate(false);  //采用确定的进度条
         //progressBar.setIndeterminate(true);   //不确定进度的进度条
         progressBar.setString("升级完成.");  //提示信息
         button.setEnabled(true);  //按钮可用
     }
 }

摘录自：null