JAVA GUI学习 - JProgressBar进度条组件摘录

 1 public class JProgressBarTest  extends JFrame{

 2 

 3     public JProgressBarTest() {

 4         super();

 5         setTitle("表格");

 6         setBounds(100,100,350,150);

 7         setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

 8         final JButton button = new JButton("           ");

 9         final JButton button2 = new JButton("完成");

10         button2.setEnabled(false); //初始化时不可用

11         button.setBounds(100,100,100,100);

12         

13         final JProgressBar progressBar = new JProgressBar();

14         progressBar.setStringPainted(true);  //显示提示信息

15         progressBar.setIndeterminate(false);   //确定进度的进度条

16         //progressBar.setIndeterminate(true);   //不确定进度的进度条

17 //        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%

18         setLayout(new FlowLayout(2,10,10));

19         getContentPane().add(button);  //布局处理

20         getContentPane().add(button2);  //布局处理

21         getContentPane().add(progressBar);  //布局处理

22         new Progress(progressBar,button2).start();   //自定义类progress

23     }

24 

25     /**

26      * @param args

27      */

28     public static void main(String[] args) {

29         // TODO Auto-generated method stub

30         JProgressBarTest jProgressBarTest = new JProgressBarTest();

31         jProgressBarTest.setVisible(true);

32     }

33 

34 }

35 class Progress extends Thread{//自定义类progress

36     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,

37             62,64,66,68,70,72,74,76,78,80,82,84,86,88,90,92,94,96,98,100};

38     private JProgressBar progressBar;

39     private JButton button;

40     public Progress(JProgressBar progressBar,JButton button)

41     {

42         this.progressBar = progressBar;

43         this.button =button;

44     }

45     public void run()

46     {

47         for(int i=0;i<progressValue.length;i++)

48         {

49             try

50             {

51                 Thread.sleep(100);

52             }catch(Exception e)

53             {

54                 e.printStackTrace();

55             }

56             progressBar.setValue(progressValue[i]);  //进度值

57         }

58         progressBar.setIndeterminate(false);  //采用确定的进度条

59         //progressBar.setIndeterminate(true);   //不确定进度的进度条

60         progressBar.setString("升级完成.");  //提示信息

61         button.setEnabled(true);  //按钮可用

62     }

63 }

摘录自：null