GUI事件监听鼠标监听器

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原创最新推荐文章于 2026-03-23 00:39:12 发布 711 阅读 AI 写同款· GEO 优化 ›

Java中的事件监听 - 键盘按键、鼠标滚轮、鼠标按键和鼠标移动在上面的代码中，我们创建了一个实现了MouseListener接口的MouseListenerExample类，并重写了mouseClicked、mousePressed、mouseReleased、mouseEntered和mouseExited方法来处理鼠标按键事件。在上面的代码中，我们创建了一个实现了MouseMotionListener接口的MouseMotionListenerExample类，并重写了mouseDragged和mouseMoved方法来处理鼠标移动事件。阅读详情

	public static void main(String[] args) {
		new MouseListenerDemo();
	}
	public MouseListenerDemo() {
		init();
	}

	private void init() {
		f = new Frame("myFrame");
		f.setBounds(300, 250, 400, 250);
		f.setLayout(new FlowLayout());
		tf = new TextField(25);
		but = new Button("button");
		myEvent_1();
		 myEvent_2();
		myEvent_3();
		f.add(tf);
		f.add(but);
		f.setVisible(true);
	}

	private void myEvent_3() {
		f.addWindowListener(new WindowAdapter() {

			@Override
			public void windowClosing(WindowEvent e) {
				System.exit(0);
			}

		});
	}

	private void myEvent_2() {
		but.addMouseListener(new MouseAdapter() {
			int count = 1;

			@Override
			public void mouseClicked(MouseEvent e) {
				//鼠标双击
				if (e.getClickCount() == 2)
					tf.setText(String.valueOf(count++));
			}

		});
	}

	private void myEvent_1() {
		but.addMouseListener(new MouseAdapter() {
			private int count = 1;

			@Override
			public void mouseEntered(MouseEvent e) {
				tf.setText(String.valueOf(count++));
			}

		});
	}

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