欢迎使用CSDN-markdown编辑器

public class index
{
private int time=0;
private JTextField text;
private static JTextField text1;
private static Date dateFuture=new Date();
JFrame frame=new JFrame("Tools For Better Life");

public Container init()
{

System.out.println((new File("")).getAbsolutePath());
try
{
System.out.println((new File("")).getCanonicalPath());
} catch (IOException e)
{
// TODO Auto-generated catch block
e.printStackTrace();
}
frame.setSize(600, 160);
//      frame.setLocation(700,250);
frame.setLocation(new Point(700,500));
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
Container container=frame.getContentPane();
GridLayout layout=new GridLayout(0,3);
container.setLayout(layout);

JLabel label=new JLabel("几分钟之后关机");
JLabel label1=new JLabel("当前时间");
text=new JTextField("");
text1=new JTextField("");
JButton button=new JButton("确定");
JButton button1=new JButton("确定");

container.add(label);
container.add(text);
container.add(button);
container.add(label1);
container.add(text1);

container.add(button1);
frame.setVisible(true);
System.out.println("init()");
return container;
}

public void ChangeV(Container container)
{
GridLayout layout=new GridLayout(0,1);
container.setLayout(layout);
System.out.println("changeV");
frame.repaint();
}

public static void main(String[] args) throws InterruptedException
{
index ind=new index();
Container c=ind.init();
//      Thread.sleep(100);
//      线程如果休眠50ms，则直接跳转到变换后的界面；如果为100ms，需要最小化界面，重新打开时就自动变化为新的layout。
ind.ChangeV(c);

}