JAVA的SWING组件动画问题 .

*/ package test.Tweleve;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Graphics;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.ComponentEvent;
import java.awt.event.ComponentListener;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;

/**

@author Administrator
*
*/
public class MoveHa {
static long i = 0;
// final static long start = System.currentTimeMillis();
public static void main(String[] args) {
JFrame frame = new JFrame("guluguluha");
MoveP d = new MoveP();
JButton Button = new JButton("再来一遍");
frame.getContentPane().add(BorderLayout.NORTH, Button);
frame.setSize(600, 600);
frame.setVisible(true);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.getContentPane().add(d);
Button.addActionListener(new ActionListener() {

    @Override
    public void actionPerformed(ActionEvent e) {
        // TODO Auto-generated method stub
        i = 0;
        frame.repaint();
        long start = System.currentTimeMillis();
        while (MoveHa.i <= 200) {
             MoveHa.i = (System.currentTimeMillis()-start)/1000;
             frame.repaint();
    }          //这部分有问题。。按钮按下去     按钮一直处于被按状态。也没动画效果 直到程序完，才解除被按状态
    }          //监听器是不是无法运行动画。
});
long start = System.currentTimeMillis();
while (i <= 200) {
     i = (System.currentTimeMillis()-start)/10;
     frame.repaint();
}

}
}

class MoveP extends JPanel {

private static final long serialVersionUID = 1L;

public void paintComponent(Graphics g) {
    if(MoveHa.i <= 200) {
    g.setColor(Color.red);
    g.fillOval(20 + 1*(int)(MoveHa.i), 50 + 1*(int)(MoveHa.i), 100, 100);
    }
}

}

JAVA的SWING组件 动画问题 .

JAVA的SWING组件动画问题 .