java如何使用MouseListener？

鼠标监听器MouseListener 监听鼠标事件MouseEvent。 相应事件和处理方法 鼠标事件 处理方法 MOUSE_CLICKED MouseClicked (MouseEvent) 鼠标点击（单或双） MOUSE_PRESSED MousePressed (MouseEvent) 鼠标按下 MOUSE_RELEASED MouseReleased(MouseEvent) 鼠标松开 MOUSE_ENTERED Mous