BorderLayout
类排列组件为五个区域:东,西,北,南和中心。
示例
import java.awt.BorderLayout;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
public class SwingTester {
public static void main(String[] args) {
createWindow();
}
private static void createWindow() {
JFrame frame = new JFrame("Swing BorderLayout示例");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
createUI(frame);
frame.setSize(560, 200);
frame.setLocationRelativeTo(null);
frame.setVisible(true);
}
private static void createUI(final JFrame frame){
JPanel panel = new JPanel();
BorderLayout layout = new BorderLayout();
layout.setHgap(10);
layout.setVgap(10);
panel.setLayout(layout);
panel.add(new JButton("中心"),BorderLayout.CENTER);
panel.add(new JButton("行开始"),BorderLayout.LINE_START);
panel.add(new JButton("行结束"),BorderLayout.LINE_END);
panel.add(new JButton("东"),BorderLayout.EAST);
panel.add(new JButton("西"),BorderLayout.WEST);
panel.add(new JButton("北"),BorderLayout.NORTH);
panel.add(new JButton("南"),BorderLayout.SOUTH);
frame.getContentPane().add(panel, BorderLayout.CENTER);
}
}
执行上面示例代码,得到以下结果: