建议你加一个PANEL,如下:JPanel panel1=(JPanel)getContentPane();
panel1.setLayout(new GridLayout(1,3,10,5));
panel1.add(new JButton("A"));
panel1.add(new JButton("B"));
panel1.add(new JButton("C"));
frame1.add(panel1,BorderLayout.SOUTH);
panel1.setLayout(new GridLayout(1,3,10,5));
panel1.add(new JButton("A"));
panel1.add(new JButton("B"));
panel1.add(new JButton("C"));
frame1.add(panel1,BorderLayout.SOUTH);
JPanel panel1=new JPanel()
panel1.setLayout(new GridLayout(1,3,10,5));
panel1.add(new JButton("A"));
panel1.add(new JButton("B"));
panel1.add(new JButton("C"));
frame1.add(panel1,BorderLayout.SOUTH);
结果还是不行。运行后,按钮不显示。一定要用鼠标点击按钮所在位置,按钮才显示出来
还有人知道吗?
{
super.paint(g);
}
重载一下PAINT试试!!