?? multilistener.java
字號:
import java.awt.*;
import java.awt.event.*;
/**
* Description:
* <br/>Copyright (C), 2005-2008, Yeeku.H.Lee
* <br/>This program is protected by copyright laws.
* <br/>Program Name:
* <br/>Date:
* @author Yeeku.H.Lee kongyeeku@163.com
* @version 1.0
*/
public class MultiListener
{
private Frame f = new Frame("測試");
private TextArea ta = new TextArea(6 , 40);
private Button b1 = new Button("按鈕一");
private Button b2 = new Button("按鈕二");
public void init()
{
FirstListener fl = new FirstListener();
b1.addActionListener(fl);
b1.addActionListener(new SecondListener());
b2.addActionListener(fl);
f.add(ta);
Panel p = new Panel();
p.add(b1);
p.add(b2);
f.add(p, BorderLayout.SOUTH);
f.pack();
f.setVisible(true);
}
class FirstListener implements ActionListener
{
public void actionPerformed(ActionEvent e)
{
ta.append("第一個事件監聽器被觸發,事件源是:" + e.getActionCommand() + "\n");
}
}
class SecondListener implements ActionListener
{
public void actionPerformed(ActionEvent e)
{
ta.append("單擊了“" + e.getActionCommand() + "”按鈕\n");
}
}
public static void main(String[] args)
{
new MultiListener().init();
}
}
?? 快捷鍵說明
復制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -