frame1.java

来自「用Java编写的程序」· Java 代码 · 共 54 行

package borderlayout;

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

public class Frame1 extends JFrame {
  JPanel contentPane;
  BorderLayout borderLayout1 = new BorderLayout();
  Button button1 = new Button();
  Button button2 = new Button();
  Button button3 = new Button();
  Button button4 = new Button();
  Button button5 = new Button();

  /**Construct the frame*/
  public Frame1() {
    enableEvents(AWTEvent.WINDOW_EVENT_MASK);
    try {
      jbInit();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }
  /**Component initialization*/
  private void jbInit() throws Exception  {
    //setIconImage(Toolkit.getDefaultToolkit().createImage(Frame1.class.getResource("[Your Icon]")));
    contentPane = (JPanel) this.getContentPane();
    button1.setLabel("North");
    contentPane.setLayout(borderLayout1);
    this.setSize(new Dimension(323, 243));
    this.setTitle("BorderLayout演示程序");
    button2.setLabel("Constraints=West");
    button3.setLabel("Center");
    button4.setLabel("East");
    button5.setFont(new java.awt.Font("DialogInput", 3, 30));
    button5.setLabel("South");
    borderLayout1.setHgap(5);
    borderLayout1.setVgap(8);
    contentPane.add(button1, BorderLayout.NORTH);
    contentPane.add(button2, BorderLayout.WEST);
    contentPane.add(button3, BorderLayout.CENTER);
    contentPane.add(button4, BorderLayout.EAST);
    contentPane.add(button5, BorderLayout.SOUTH);
  }
  /**Overridden so we can exit when window is closed*/
  protected void processWindowEvent(WindowEvent e) {
    super.processWindowEvent(e);
    if (e.getID() == WindowEvent.WINDOW_CLOSING) {
      System.exit(0);
    }
  }
}