testbutton.java~92~

提供了常用的JAVA技术的示例

package TestButton;

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

public class TestButton {
    private static String s="   clicked ";
    private int numClicks=0;

    public Component createComponents(){
        final JLabel label=new JLabel(s+" 0 times");
        JButton button=new JButton("open");
        JButton button1=new JButton("close");

        button1.setBorder(new BevelBorder(BevelBorder.RAISED));
        button.setBorder(new EtchedBorder(EtchedBorder.LOWERED,Color.red,Color.pink));
        button1.setForeground(Color.magenta);
        button1.setBackground(Color.decode("119944"));

        button.setMnemonic(KeyEvent.VK_0);
        button.addActionListener(new ActionListener(){
          public void actionPerformed(ActionEvent e){
            numClicks++;
            label.setText(s+numClicks+"  times");
          }
        });
        label.setLabelFor(button);
        JPanel pane=new JPanel();
        pane.setBorder(BorderFactory.createEmptyBorder(30,40,30,40));
        pane.setLayout(new GridLayout(2,2));
        pane.add(button);
        pane.add(label);
        pane.add(button1);

        return pane;
    }
    public static void main(String[] args) {
        TestButton t = new TestButton();
        JFrame frame=new JFrame("swing button");
        Component contents=t.createComponents();
        frame.getContentPane().add(contents,BorderLayout.NORTH);

        frame.addWindowListener(new WindowAdapter(){
          public void windowClosing(WindowEvent e){System.exit(0);}
            });
        //frame.setSize(200,200);
        frame.pack();
        frame.setVisible(true);
    }
}