buttons.java

10Applet&Gui java教程 第10长

// <applet code=Buttons width=350 height=100></applet>
import java.awt.*;
import javax.swing.*;
import javax.swing.border.*;
import javax.swing.plaf.basic.*;

public class Buttons
    extends JApplet {
  private JButton jb = new JButton("JButton");
  private BasicArrowButton
      up = new BasicArrowButton(BasicArrowButton.NORTH),
      down = new BasicArrowButton(BasicArrowButton.SOUTH),
      right = new BasicArrowButton(BasicArrowButton.EAST),
      left = new BasicArrowButton(BasicArrowButton.WEST);
  public void init() {
    Container cp = getContentPane();
    cp.setLayout(new FlowLayout());
    cp.add(jb);
    cp.add(new JToggleButton("JToggleButton"));
    cp.add(new JCheckBox("JCheckBox"));
    cp.add(new JRadioButton("JRadioButton"));
    JPanel jp = new JPanel();
    jp.setBorder(new TitledBorder("Directions"));
    jp.add(up);
    jp.add(down);
    jp.add(left);
    jp.add(right);
    cp.add(jp);
  }
}