📜  SWING-菜单类

📅  最后修改于: 2020-11-10 04:48:53             🧑  作者: Mango


众所周知,每个顶级窗口都有一个与其关联的菜单栏。该菜单栏包含可供最终用户使用的各种菜单选项。此外,每个选项都包含一个选项列表,称为下拉菜单。 Menu和MenuItem控件是MenuComponent类的子类。

菜单层次

秋千菜单Hiearchy

菜单控件

Sr.No. Class & Description
1 JMenuBar

The JMenuBar object is associated with the top-level window.

2 JMenuItem

The items in the menu must belong to the JMenuItem or any of its subclass.

3 JMenu

The JMenu object is a pull-down menu component which is displayed from the menu bar.

4 JCheckboxMenuItem

JCheckboxMenuItem is the subclass of JMenuItem.

5 JRadioButtonMenuItem

JRadioButtonMenuItem is the subclass of JMenuItem.

6 JPopupMenu

JPopupMenu can be dynamically popped up at a specified position within a component.