buttonframe.java

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package component;

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

public class ButtonFrame extends JFrame {
  JPanel contentPane;
  JButton jButton1 = new JButton();

  public ButtonFrame() {
    try {
      setDefaultCloseOperation(EXIT_ON_CLOSE);
      jbInit();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }
  
  public static void main(String[] args) {
    ButtonFrame frame = new ButtonFrame();
    Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
    Dimension frameSize = frame.getSize();
    //居中对齐
    frame.setLocation((screenSize.width - frameSize.width) / 2,
        (screenSize.height - frameSize.height) / 2);
    frame.setVisible(true);
  }

  private void jbInit() throws Exception  {
    this.setTitle("按钮示例");
    this.setSize(new Dimension(400, 300));
    contentPane = (JPanel) this.getContentPane();
    contentPane.setLayout(null);
    //创建图片图标
    ImageIcon icon = new ImageIcon(".\\image\\02.gif");
    //设置按钮字符串
    jButton1.setText("按钮示例(B)");
    //设置按钮快捷键
    jButton1.setMnemonic('B');
    //设置按钮图标
    jButton1.setIcon(icon);
    jButton1.setBounds(new Rectangle(116, 114, 151, 37));
    jButton1.addActionListener(new Button1_actionAdapter(this));
    contentPane.add(jButton1, null);
  }
  void jButton1_actionPerformed(ActionEvent e) {
    JOptionPane.showMessageDialog(null, "按钮被单击.");
  }
}
//动作接收器类
class Button1_actionAdapter implements java.awt.event.ActionListener {
  ButtonFrame adaptee;

  Button1_actionAdapter(ButtonFrame adaptee) {
    this.adaptee = adaptee;
  }
  public void actionPerformed(ActionEvent e) {
    adaptee.jButton1_actionPerformed(e);
  }
}