下面代码实现了鼠标各按键单击和左键击双击，以及右键弹出菜单
JButton btn = new JButton("鼠标左键、右键、滚轮点击测试");btn.addMouseListener(new MouseAdapter() {@Overridepublic void mousePressed(MouseEvent e) {if (e.getButton() == MouseEvent.BUTTON1) {JOptionPane.showMessageDialog(MainFrame.this, "鼠标左键");} else if (e.getButton() == MouseEvent.BUTTON2) {JOptionPane.showMessageDialog(MainFrame.this, "鼠标滚轮点击");} else if (e.getButton() == MouseEvent.BUTTON3) {JOptionPane.showMessageDialog(MainFrame.this, "鼠标右键");}super.mousePressed(e);}});JButton btn2 = new JButton("鼠标单击双击测试");btn2.addMouseListener(new MouseAdapter() {@Overridepublic void mouseClicked(MouseEvent e) {if (e.getButton() == MouseEvent.BUTTON1&& e.getClickCount() == 2) {JOptionPane.showMessageDialog(MainFrame.this, "鼠标双击");}super.mousePressed(e);}});JButton btn3 = new JButton("右键弹出菜单");btn3.addMouseListener(new MouseAdapter() {@Overridepublic void mousePressed(MouseEvent event) {// 调用triggerEvent方法处理事件//triggerEvent(event);// isPopupTrigger():返回此鼠标事件是否为该平台的弹出菜单触发事件。if (event.isPopupTrigger())// 显示菜单popupMenu.show(event.getComponent(), event.getX(), event.getY());}@Overridepublic void mouseReleased(MouseEvent event) {//triggerEvent(event);// isPopupTrigger():返回此鼠标事件是否为该平台的弹出菜单触发事件。if (event.isPopupTrigger())// 显示菜单popupMenu.show(event.getComponent(), event.getX(), event.getY());}});
