程序修改一下:
public class DrawBarPanel extends JPanel
{
public DrawBarPanel()
{
Timer t = new Timer(1000,new ActionListener()
{
public void actionPerformed(ActionEvent event)
{
//do some thing
repaint();
});
t.start();
}
}
public void paintComponent(Graphics g)
{
//画图
}
}
public class DrawBarPanel extends JPanel
{
public DrawBarPanel()
{
Timer t = new Timer(1000,new ActionListener()
{
public void actionPerformed(ActionEvent event)
{
//do some thing
repaint();
});
t.start();
}
}
public void paintComponent(Graphics g)
{
//画图
}
}
解决方案 »
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