第一种方式:在控件旁边直接写事件btn_dl.addActionListener(new ActionListener() {@Override//ActionListener接口自带的方法: public void actionPerformed(ActionEvent arg0) {//一个普通弹出框JOptionPane.showMessageDialog(null,"点击了登录按钮");}} 第二种方式:声明一个专门写事件的类1.声明一个事件类去实现点...
AWTEvent (Java Platform SE 6)严格来说在actionPerformed方法中，应该先对传进来的ActionEvent进行判断或...
implements ActionListener意味着StartRoom应该承担ActionListener的合同。方法actionPerformed( ActionEvent)必须...
Method Summary All MethodsInstance MethodsAbstract Methods Modifier and Type Method Description void actionPerformed(ActionEvent e) Invoked when an action occurs.Method Details actionPerformed void actionPerformed(ActionEvent e) Invoked when an action occurs. Parameters: e - the event to be processed...
void actionPerformed(ActionEvent e) 发生操作时调用。 需要明白一点,接口是一种你必须实现的类,当然如果你在一个类中实现了接口,那你可以随意用类来调用接口的方法。 例子: import javax.swing.*; import java.awt.event.*; public class SimpleGuil implements ActionListener{ ...
import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.WindowAdapter; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JOptionPane; import javax.swing.JPanel; /** * 在这个例子中,利用一个ActionListener来监听事件源产生的事件 ...
ActionListener.actionPerformed(ActionEvent e) has the following syntax. voidactionPerformed(ActionEvent e) Example In the following code shows how to use ActionListener.actionPerformed(ActionEvent e) method. //fromwww.java2s.comimportjava.awt.event.ActionEvent;importjava.awt.event.ActionListener;importjav...
(ActionEvent e) { count++; System.out.println(count+": Action performed - "+getText()); } public void insertUpdate(DocumentEvent e) { count++; System.out.println(count+": Insert update - "+getText()); } public void removeUpdate(DocumentEvent e) { count++; System.out.println(count+"...
public void actionPerformed(ActionEvent e) { JOptionPane.showMessageDialog(null, "Would have done the 'Cut' action."); } } As you can see, all it does when the actionPerformed method is called is display a dialog, but in your Java code you can implement whatever you want/need to implemen...
/*设计一个鼠标点击速度比赛游戏。importjava.awt.*;importjava.awt.event.*;publicclasssubiaoyouxi extends...(b1); jf.setLayout(newFlowLayout()); }publicvoidactionPerformed(ActionEvent e){Strings 鼠标点击游戏作业 代码packagesrc;importjava.awt.*;importjava.awt.event.*;importjavax.swing.*;publicclass...