mouseeventdemo.java

来自「精通JBuilder2006 源代码 精通JBuilder2006 源代码」· Java 代码 · 共 33 行

package chapter6.event;

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

public class MouseEventDemo extends JFrame {
    private JButton jButton2 = new JButton();
    private int i = 0;
    public MouseEventDemo() {
        Container contentPane = this.getContentPane();
        contentPane.setLayout(new GridLayout(2, 1));
        JButton jButton1 = new JButton("ADD");
        jButton2.setText("" + i);
        jButton1.addMouseListener(new MouseAdapter() {
            public void mouseClicked(MouseEvent e) {
                i++;
                jButton2.setText("" + i);
            }
        });
        contentPane.add(jButton2);
        contentPane.add(jButton1);
        this.setTitle("MouseEventDemo");
        this.setSize(200, 300);
        this.setLocation(400, 400);
        this.setVisible(true);
    }

    public static void main(String[] args) {
        MouseEventDemo test = new MouseEventDemo();
    }
}