Java Swing 之进度条的使用（简单版）

最新推荐文章于 2025-03-17 00:15:00 发布

Tobin_Xu

最新推荐文章于 2025-03-17 00:15:00 发布

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[java]view plain copy 
   
 /** 
  * java swing 之进度条的使用 
  * @author gao 
  */  
 package com.gao;  
   
 import java.awt.FlowLayout;  
   
 import javax.swing.JFrame;  
 import javax.swing.JPanel;  
 import javax.swing.JProgressBar;  
 import javax.swing.border.EmptyBorder;  
   
 public class JProgressBarDemo extends JFrame {  
     public JProgressBarDemo(){  
         this.setTitle("进度条的使用");  
         this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);  
         this.setBounds(100, 100, 250, 100);  
         JPanel contentPane=new JPanel();  
         contentPane.setBorder(new EmptyBorder(5,5,5,5));  
         this.setContentPane(contentPane);  
         contentPane.setLayout(new FlowLayout(FlowLayout.CENTER,5,5));  
         final JProgressBar progressBar=new JProgressBar();  
         progressBar.setStringPainted(true);  
         new Thread(){  
             public void run(){  
                 for(int i=0;i<=100;i++){  
                     try{  
                         Thread.sleep(100);  
                     }catch(InterruptedException e){  
                         e.printStackTrace();  
                     }  
                       progressBar.setValue(i);  
                 }  
                 progressBar.setString("升级完成！");  
             }  
         }.start();  
         contentPane.add(progressBar);  
         this.setVisible(true);  
     }  
     public static void main(String[]args){  
         JProgressBarDemo example=new JProgressBarDemo();  
     }  
 }  