classlistenerframe.java~20~

来自「jbuilder2006一书的所有源代码」· JAVA~20~ 代码 · 共 42 行

package listener;

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

//对类引用ActionListener动作接收器
public class ClassListenerFrame extends JFrame implements ActionListener {
  JPanel contentPane;
  JButton jButton1 = new JButton();

  public ClassListenerFrame() {
    try {
      jbInit();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }

  private void jbInit() throws Exception  {
    contentPane = (JPanel) this.getContentPane();
    jButton1.setBounds(new Rectangle(112, 118, 171, 48));
    jButton1.setText("jButton1");
    contentPane.setLayout(null);
    this.setSize(new Dimension(400, 300));
    this.setTitle("对类引用事件接收器示例");
    contentPane.add(jButton1, null);
  }

  protected void processWindowEvent(WindowEvent e) {
    if (e.getID() == WindowEvent.WINDOW_CLOSING) {
      System.exit(0);
    }
  }

  //重载动作接收器的方法
  public void actionPerformed(ActionEvent e) {
    JOptionPane.showMessageDialog(null, ((JButton)e.getSource()).getName() + "控件被单击.");
  }
}