我有一个JOptionPane里面的图像,我希望它消失,只要我点鼠标光标并点击它。当我点击图像时,如何让图像消失?
这个职位有什么要求吗?
谢谢...
下面的代码:
import javax.imageio.ImageIO;
import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.util.Random;
class ImageBlinking extends JComponent
{
BufferedImage image;
boolean showImage;
int x = -1;
int y = -1;
Random r;
ImageBlinking()
{
try
{
File sourceimage = new File("ball.gif");
image = ImageIO.read(sourceimage);
}
catch (IOException e)
{
e.printStackTrace();
}
r = new Random();
ActionListener listener = new ActionListener()
{
public void actionPerformed(ActionEvent ae)
{
if (image != null)
{
if (!showImage)
{
int w = image.getWidth();
int h = image.getHeight();
int rx = getWidth() - w;
int ry = getHeight() - h;
if (rx > -1 && ry > -1)
{
x = r.nextInt(rx);
y = r.nextInt(ry);
}
}
showImage = !showImage;
repaint();
}
}
};
Timer timer = new Timer(200, listener);
timer.start();
setPreferredSize(new Dimension(1000, 1000));
JOptionPane.showMessageDialog(null, this);
timer.stop();
}
public void paintComponent(Graphics g)
{
g.setColor(Color.black);
g.fillRect(0, 0, getWidth(), getHeight());
if (image != null)
{
g.drawImage(image, x, y,80,80, this);
setCursor(Cursor.getPredefinedCursor(Cursor.CROSSHAIR_CURSOR));
}
}
public static void main(String[] args)
{
SwingUtilities.invokeLater(new Runnable()
{
public void run()
{
new ImageBlinking();
}
});
}
}
你如何绑定你的形象? – Neifen
@Mikel:首先让我们知道你是如何绘制图像 – Mohayemin
@Mohaimin检查代码... – sack