borderlayoutpanel.java

Java实例入门

package layouttest;

import java.awt.*;
import javax.swing.*;

public class BorderLayoutPanel extends JPanel {
  BorderLayout borderLayout1 = new BorderLayout();
  JButton jButton1 = new JButton();
  JButton jButton2 = new JButton();
  JButton jButton3 = new JButton();
  JButton jButton4 = new JButton();
  JButton jButton5 = new JButton();

  public BorderLayoutPanel() {
    try {
      jbInit();
    }
    catch(Exception ex) {
      ex.printStackTrace();
    }
  }
  void jbInit() throws Exception {
    jButton1.setText("NORTH");
    this.setLayout(borderLayout1);
    jButton2.setText("WEST");
    jButton3.setText("SOUTH");
    jButton4.setText("EAST");
    jButton5.setText("CENTER");
    borderLayout1.setHgap(10);
    borderLayout1.setVgap(50);
    this.add(jButton1, BorderLayout.NORTH);
    this.add(jButton2, BorderLayout.WEST);
    this.add(jButton3, BorderLayout.SOUTH);
    this.add(jButton4, BorderLayout.EAST);
    this.add(jButton5, BorderLayout.CENTER);
  }
}