如何实现进度条功能

Question

我想实现一个循环功能，在循环的时候调用进度条，显示循环的进度，请问如何实现？我找到一些都是通过线程的间停来控制进度条的，说白了，我找到的都是和时间有关的进度条例子，我想要的是和循环的进度有关的例子，谢谢。

Answer 1

现贴出通过线程的时间来显示的进度条方法，给需要的人，我求的是循环进度的方式显示的进度条
import javax.swing.*;
import java.awt.*;
import com.borland.jbcl.layout.*;
import java.awt.event.*;
import java.lang.reflect.InvocationTargetException;public class jindu extends JFrame{
  JPanel jPanel1 = new JPanel();
  XYLayout xYLayout1 = new XYLayout();
  JProgressBar jProgressBar1 = new JProgressBar();
  JButton jButton1 = new JButton();
  Thread myThread;
  int num=500;
  boolean shouldStop;//should thread to be stopped
  Object lock=new Object();
  JTextArea output;  public jindu() {
    try {
      jbInit();
      this.setSize(400,300);
      this.show();
    }
    catch(Exception e) {
      e.printStackTrace();
    }  }
  public static void main(String[] args) {
    jindu jindu1 = new jindu();
  }
  private void jbInit() throws Exception {
    jPanel1.setLayout(xYLayout1);
    jButton1.setText("jButton1");
    jButton1.addActionListener(new jindu_jButton1_actionAdapter(this));
    this.addWindowListener(new jindu_this_windowAdapter(this));
    this.getContentPane().add(jPanel1,  BorderLayout.CENTER);    jProgressBar1.setValue(0);
    jProgressBar1.setStringPainted(true);    jPanel1.add(jProgressBar1,   new XYConstraints(209, 222, -1, -1));
    jPanel1.add(jButton1,   new XYConstraints(209, 180, -1, -1));
  }  void jButton1_actionPerformed(ActionEvent e) {    if(myThread==null)
    {
      myThread=new TaskThread(num);//create a task thread
      shouldStop=false;
      myThread.start();//start the task thread
    }
    else
    {//end the task
      synchronized (lock) {
        shouldStop = true;
        lock.notify(); //notify thread if stopped
      }
    }  }  class TaskThread extends Thread
{
private int max;public TaskThread(int max)
{
this.max=max;
}
public void run()
{
int min=0;
jProgressBar1.setValue(min);
jProgressBar1.setMinimum(min);
jProgressBar1.setMaximum(max);Runnable runner=new Runnable()
{
public void run()
{
int value=jProgressBar1.getValue();
value++;//increase counter value
jProgressBar1.setValue(value);//change current value of progress bar
}
};for(int i=min;i<max;i++)
{
try
{//block until AWT events hava been processed
SwingUtilities.invokeAndWait(runner);
}
catch(InvocationTargetException e)
{
break;
}
catch(InterruptedException e)
{
//Ignore Exception
}synchronized(lock)
{
if(shouldStop)//check if Stop is pressed
break;
try
{
lock.wait(100);
}
catch(InterruptedException e)
{
//Ignore Exception
}
}
}jButton1.setEnabled(true);//enable button
myThread=null;
}
}  void this_windowClosing(WindowEvent e) {
    System.exit(0);
  }
}class jindu_jButton1_actionAdapter implements java.awt.event.ActionListener {
  jindu adaptee;  jindu_jButton1_actionAdapter(jindu adaptee) {
    this.adaptee = adaptee;
  }
  public void actionPerformed(ActionEvent e) {
    adaptee.jButton1_actionPerformed(e);
  }
}class jindu_this_windowAdapter extends java.awt.event.WindowAdapter {
  jindu adaptee;  jindu_this_windowAdapter(jindu adaptee) {
    this.adaptee = adaptee;
  }
  public void windowClosing(WindowEvent e) {
    adaptee.this_windowClosing(e);
  }
}

Answer 2

伤心了，每次我发的帖子都没人关注，晕倒ING

Answer 3

伤心了，每次我发的帖子都没人关注，晕倒ING

Answer 4

ls的我没事灌水也比你没事往OBJECT数组里面插入RS强呀 哈哈 ~~~~~~~~~~~~~~