import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class Main extends JFrame
{
JTextField text;
public Main()
{
Container c=getContentPane();
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setLayout(null);
setVisible(true);
setSize(500,500);
setLocation(350,150);
c.addComponentListener(new ComponentAdapter()//监听窗口变化,让组件一直在窗体中间
{
public void componentResized(ComponentEvent e)
{
text.setBounds(getWidth()/2, getHeight()/2,50,20);
}
});
text=new JTextField();
text.setBounds(getWidth()/2, getHeight()/2,50,20);
c.add(text);
}
public static void main(String args[])
{
new Main();
}
}
追问我问怎么让文本框再窗体中间,你给我整一堆代码干什么???让我自己寻思去??
参考资料:代码原创