Java 进度条

import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.lang.reflect.InvocationTargetException;

import javax.swing.JDialog;
import javax.swing.JProgressBar;
import javax.swing.SwingUtilities;

import com.sun.net.ssl.internal.ssl.Provider;
import com.sun.org.apache.bcel.internal.generic.IF_ACMPEQ;

/**
 * 备份数据对话框
 *
 * @author 黄根华
 */
public class CopyDataDialog extends JDialog {

 private JProgressBar proBar;// 进度条

 private int min = 0;// 进度条的起始值

 private int max = 100;// 进度条的最大值

 private TaskThread proThread;
 
 private String title;

 public CopyDataDialog(String title) {
  this.title = title;
  init();
 }

 /**
  * 初始化对话框
  */
 public void init() {
  this.setTitle(title);
  this.setModal(true);
  proBar = new JProgressBar();
  proBar.setValue(0);
  proBar.setStringPainted(true);// 设置显示字符串
  this.add(proBar);
  proThread = new TaskThread();
  proThread.start();
//  this.pack();
  this.setSize(400, 50);
  this.setLocationRelativeTo(null);
  this.setDefaultCloseOperation(DO_NOTHING_ON_CLOSE);
  // 添加窗口关闭事件
  this.addWindowListener(new WindowAdapter() {

   public void windowClosing(WindowEvent e) {
    dispose();
   }
  });
  this.setVisible(true);
 }

 /**
  * 进度条线程
  *
  * @author 黄根华
  */
 class TaskThread extends Thread {

  public void run() {
   int min = 0;
   proBar.setValue(min);
   proBar.setMinimum(min);
   proBar.setMaximum(max);

   Runnable runner = new Runnable() {

    public void run() {
     int value = proBar.getValue();
     value++;
    try {
     Thread.sleep(100);
    } catch (InterruptedException e) {
     e.printStackTrace();
    }
     proBar.setValue(value);
     if (proBar.getValue()==max) {
      dispose();
     }
    }
    
   };

   for (int i = min; i < max; i++) {
    try {
     SwingUtilities.invokeAndWait(runner);// 组件和线程同步进行
    } catch (InvocationTargetException e) {
     break;
    } catch (InterruptedException e) {
    }

   }
   proThread = null;
  }
 }

}