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<div class="header">
<div class="subTitle">
javax.swing
</div>
<h2 class="title" title="Class JMenuItem">Class JMenuItem</h2>
</div><div class="contentContainer">
<ul class="inheritance">
<li><a href="../../java/lang/Object.html" title="class in java.lang">java.lang.Object</a></li>
<li>
<ul class="inheritance">
<li><a href="../../java/awt/Component.html" title="class in java.awt">java.awt.Component</a></li>
<li>
<ul class="inheritance">
<li><a href="../../java/awt/Container.html" title="class in java.awt">java.awt.Container</a></li>
<li>
<ul class="inheritance">
<li><a href="../../javax/swing/JComponent.html" title="class in javax.swing">javax.swing.JComponent</a></li>
<li>
<ul class="inheritance">
<li><a href="../../javax/swing/AbstractButton.html" title="class in javax.swing">javax.swing.AbstractButton</a></li>
<li>
<ul class="inheritance">
<li>javax.swing.JMenuItem</li>
</ul> </li>
</ul> </li>
</ul> </li>
</ul> </li>
</ul> </li>
</ul>
<div class="description">
<ul class="blockList">
<li class="blockList">
<dl>
<dt>
All Implemented Interfaces:
</dt>
<dd>
<span><a href="../../java/awt/image/ImageObserver.html" title="java.awt.image中的接口">ImageObserver</a> <a href="../../java/awt/ItemSelectable.html" title="java.awt中的接口">ItemSelectable</a> <a href="../../java/awt/MenuContainer.html" title="java.awt中的接口">MenuContainer</a> <a href="../../java/io/Serializable.html" title="java.io中的接口">Serializable</a> <a href="../../javax/accessibility/Accessible.html" title="javax.accessibility中的接口">Accessible</a> <a href="../../javax/swing/MenuElement.html" title="javax.swing中的接口">MenuElement</a> <a href="../../javax/swing/SwingConstants.html" title="javax.swing中的接口">SwingConstants</a></span>
</dd>
</dl>
<dl>
<dt>
已知直接子类:
</dt>
<dd>
<span><a href="../../javax/swing/JCheckBoxMenuItem.html" title="javax.swing中的类">JCheckBoxMenuItem</a> <a href="../../javax/swing/JMenu.html" title="javax.swing中的类">JMenu</a> <a href="../../javax/swing/JRadioButtonMenuItem.html" title="javax.swing中的类">JRadioButtonMenuItem</a></span>
</dd>
</dl>
<hr/> <br/> <pre>public class <span class="typeNameLabel">JMenuItem</span>
extends <a href="../../javax/swing/AbstractButton.html" title="class in javax.swing">AbstractButton</a>
implements <a href="../../javax/accessibility/Accessible.html" title="interface in javax.accessibility">Accessible</a>, <a href="../../javax/swing/MenuElement.html" title="interface in javax.swing">MenuElement</a></pre>
<div class="block">
<span>菜单中项目的实现。</span>
<span>菜单项基本上是一个列表中的按钮。</span>
<span>当用户选择“按钮”时,执行与菜单项相关联的动作。</span>
<span>一个<code>JMenuItem</code>包含在一个<code>JPopupMenu</code>执行完全该功能。</span>
<p> <span>菜单项可以配置,并在一定程度上由<code><a href="Action.html">Action</a></code> s控制。</span> <span>使用带有菜单项的<code>Action</code>除了直接配置菜单项之外还有很多好处。</span> <span>请参阅<a href="Action.html#buttonActions">Swing Components Supporting <code>Action</code></a>了解更多详情,您可以找到更多信息<a href="http://docs.oracle.com/javase/tutorial/uiswing/misc/action.html">How to Use Actions</a> ,在<em>Java教程</em>的部分。</span> </p>
<p> <span>有关进一步的文档和示例,请参阅<em>Java教程</em><em></em> <a href="http://docs.oracle.com/javase/tutorial/uiswing/components/menu.html">How to Use Menus</a> <em></em></span> </p>
<p> <span><strong>警告:</strong> Swing不是线程安全的。</span> <span>有关更多信息,请参阅<a href="package-summary.html#threading">Swing's Threading Policy</a></span> </p>
<p> <span><strong>警告:</strong>此类的序列化对象与将来的Swing版本不兼容。</span> <span>当前的序列化支持适用于运行相同版本的Swing的应用程序之间的短期存储或RMI。</span> <span>从1.4开始对所有JavaBeans的长期存储的支持已被添加到<code>java.beans</code>包中。</span> <span>请参阅<a href="../../java/beans/XMLEncoder.html" title="java.beans中的类"><code>XMLEncoder</code></a></span> </p>
</div>
<dl>
<dt>
<span class="seeLabel">另请参见:</span>
</dt>
<dd>
<span><a href="../../javax/swing/JPopupMenu.html" title="javax.swing中的类"><code>JPopupMenu</code></a> <a href="../../javax/swing/JMenu.html" title="javax.swing中的类"><code>JMenu</code></a> <a href="../../javax/swing/JCheckBoxMenuItem.html" title="javax.swing中的类"><code>JCheckBoxMenuItem</code></a> <a href="../../javax/swing/JRadioButtonMenuItem.html" title="javax.swing中的类"><code>JRadioButtonMenuItem</code></a></span>
</dd>
</dl> </li>
</ul>
</div>
<div class="summary">
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<li class="blockList">
<!-- ======== NESTED CLASS SUMMARY ======== -->
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<!-- --> </a> <h3>Nested Class Summary</h3>
<table border="0" cellpadding="3" cellspacing="0" class="memberSummary" summary="Nested Class Summary table, listing nested classes, and an explanation">
<caption>
<span>Nested Classes</span>
<span class="tabEnd"> </span>
</caption>
<tbody>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Class and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected class </code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JMenuItem.AccessibleJMenuItem.html" title="class in javax.swing">JMenuItem.AccessibleJMenuItem</a></span></code>
<div class="block">
这个类实现了可访问性支持
<code>JMenuItem</code>类。
</div> </td>
</tr>
</tbody>
</table>
<ul class="blockList">
<li class="blockList"><a name="nested.classes.inherited.from.class.javax.swing.AbstractButton">
<!-- --> </a> <h3>Nested classes/interfaces inherited from class javax.swing.<a href="../../javax/swing/AbstractButton.html" title="class in javax.swing">AbstractButton</a></h3> <code><a href="../../javax/swing/AbstractButton.AccessibleAbstractButton.html" title="class in javax.swing">AbstractButton.AccessibleAbstractButton</a>, <a href="../../javax/swing/AbstractButton.ButtonChangeListener.html" title="class in javax.swing">AbstractButton.ButtonChangeListener</a></code></li>
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<!-- --> </a> <h3>Nested classes/interfaces inherited from class java.awt.<a href="../../java/awt/Component.html" title="class in java.awt">Component</a></h3> <code><a href="../../java/awt/Component.AccessibleAWTComponent.html" title="class in java.awt">Component.AccessibleAWTComponent</a>, <a href="../../java/awt/Component.BaselineResizeBehavior.html" title="enum in java.awt">Component.BaselineResizeBehavior</a>, <a href="../../java/awt/Component.BltBufferStrategy.html" title="class in java.awt">Component.BltBufferStrategy</a>, <a href="../../java/awt/Component.FlipBufferStrategy.html" title="class in java.awt">Component.FlipBufferStrategy</a></code></li>
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<!-- --> </a> <h3>Fields inherited from class javax.swing.<a href="../../javax/swing/AbstractButton.html" title="class in javax.swing">AbstractButton</a></h3> <code><a href="../../javax/swing/AbstractButton.html#actionListener">actionListener</a>, <a href="../../javax/swing/AbstractButton.html#BORDER_PAINTED_CHANGED_PROPERTY">BORDER_PAINTED_CHANGED_PROPERTY</a>, <a href="../../javax/swing/AbstractButton.html#changeEvent">changeEvent</a>, <a href="../../javax/swing/AbstractButton.html#changeListener">changeListener</a>, <a href="../../javax/swing/AbstractButton.html#CONTENT_AREA_FILLED_CHANGED_PROPERTY">CONTENT_AREA_FILLED_CHANGED_PROPERTY</a>, <a href="../../javax/swing/AbstractButton.html#DISABLED_ICON_CHANGED_PROPERTY">DISABLED_ICON_CHANGED_PROPERTY</a>, <a href="../../javax/swing/AbstractButton.html#DISABLED_SELECTED_ICON_CHANGED_PROPERTY">DISABLED_SELECTED_ICON_CHANGED_PROPERTY</a>, <a href="../../javax/swing/AbstractButton.html#FOCUS_PAINTED_CHANGED_PROPERTY">FOCUS_PAINTED_CHANGED_PROPERTY</a>, <a href="../../javax/swing/AbstractButton.html#HORIZONTAL_ALIGNMENT_CHANGED_PROPERTY">HORIZONTAL_ALIGNMENT_CHANGED_PROPERTY</a>, <a href="../../javax/swing/AbstractButton.html#HORIZONTAL_TEXT_POSITION_CHANGED_PROPERTY">HORIZONTAL_TEXT_POSITION_CHANGED_PROPERTY</a>, <a href="../../javax/swing/AbstractButton.html#ICON_CHANGED_PROPERTY">ICON_CHANGED_PROPERTY</a>, <a href="../../javax/swing/AbstractButton.html#itemListener">itemListener</a>, <a href="../../javax/swing/AbstractButton.html#MARGIN_CHANGED_PROPERTY">MARGIN_CHANGED_PROPERTY</a>, <a href="../../javax/swing/AbstractButton.html#MNEMONIC_CHANGED_PROPERTY">MNEMONIC_CHANGED_PROPERTY</a>, <a href="../../javax/swing/AbstractButton.html#model">model</a>, <a href="../../javax/swing/AbstractButton.html#MODEL_CHANGED_PROPERTY">MODEL_CHANGED_PROPERTY</a>, <a href="../../javax/swing/AbstractButton.html#PRESSED_ICON_CHANGED_PROPERTY">PRESSED_ICON_CHANGED_PROPERTY</a>, <a href="../../javax/swing/AbstractButton.html#ROLLOVER_ENABLED_CHANGED_PROPERTY">ROLLOVER_ENABLED_CHANGED_PROPERTY</a>, <a href="../../javax/swing/AbstractButton.html#ROLLOVER_ICON_CHANGED_PROPERTY">ROLLOVER_ICON_CHANGED_PROPERTY</a>, <a href="../../javax/swing/AbstractButton.html#ROLLOVER_SELECTED_ICON_CHANGED_PROPERTY">ROLLOVER_SELECTED_ICON_CHANGED_PROPERTY</a>, <a href="../../javax/swing/AbstractButton.html#SELECTED_ICON_CHANGED_PROPERTY">SELECTED_ICON_CHANGED_PROPERTY</a>, <a href="../../javax/swing/AbstractButton.html#TEXT_CHANGED_PROPERTY">TEXT_CHANGED_PROPERTY</a>, <a href="../../javax/swing/AbstractButton.html#VERTICAL_ALIGNMENT_CHANGED_PROPERTY">VERTICAL_ALIGNMENT_CHANGED_PROPERTY</a>, <a href="../../javax/swing/AbstractButton.html#VERTICAL_TEXT_POSITION_CHANGED_PROPERTY">VERTICAL_TEXT_POSITION_CHANGED_PROPERTY</a></code></li>
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<!-- --> </a> <h3>Fields inherited from interface javax.swing.<a href="../../javax/swing/SwingConstants.html" title="interface in javax.swing">SwingConstants</a></h3> <code><a href="../../javax/swing/SwingConstants.html#BOTTOM">BOTTOM</a>, <a href="../../javax/swing/SwingConstants.html#CENTER">CENTER</a>, <a href="../../javax/swing/SwingConstants.html#EAST">EAST</a>, <a href="../../javax/swing/SwingConstants.html#HORIZONTAL">HORIZONTAL</a>, <a href="../../javax/swing/SwingConstants.html#LEADING">LEADING</a>, <a href="../../javax/swing/SwingConstants.html#LEFT">LEFT</a>, <a href="../../javax/swing/SwingConstants.html#NEXT">NEXT</a>, <a href="../../javax/swing/SwingConstants.html#NORTH">NORTH</a>, <a href="../../javax/swing/SwingConstants.html#NORTH_EAST">NORTH_EAST</a>, <a href="../../javax/swing/SwingConstants.html#NORTH_WEST">NORTH_WEST</a>, <a href="../../javax/swing/SwingConstants.html#PREVIOUS">PREVIOUS</a>, <a href="../../javax/swing/SwingConstants.html#RIGHT">RIGHT</a>, <a href="../../javax/swing/SwingConstants.html#SOUTH">SOUTH</a>, <a href="../../javax/swing/SwingConstants.html#SOUTH_EAST">SOUTH_EAST</a>, <a href="../../javax/swing/SwingConstants.html#SOUTH_WEST">SOUTH_WEST</a>, <a href="../../javax/swing/SwingConstants.html#TOP">TOP</a>, <a href="../../javax/swing/SwingConstants.html#TRAILING">TRAILING</a>, <a href="../../javax/swing/SwingConstants.html#VERTICAL">VERTICAL</a>, <a href="../../javax/swing/SwingConstants.html#WEST">WEST</a></code></li>
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</ul>
<!-- ======== CONSTRUCTOR SUMMARY ======== -->
<ul class="blockList">
<li class="blockList"><a name="constructor.summary">
<!-- --> </a> <h3>构造方法摘要</h3>
<table border="0" cellpadding="3" cellspacing="0" class="memberSummary" summary="Constructor Summary table, listing constructors, and an explanation">
<caption>
<span>构造方法</span>
<span class="tabEnd"> </span>
</caption>
<tbody>
<tr>
<th class="colOne" scope="col">Constructor and Description</th>
</tr>
<tr class="altColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../javax/swing/JMenuItem.html#JMenuItem--">JMenuItem</a></span>()</code>
<div class="block">
创建一个没有设置文本或图标的
<code>JMenuItem</code>
</div> </td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../javax/swing/JMenuItem.html#JMenuItem-javax.swing.Action-">JMenuItem</a></span>(<a href="../../javax/swing/Action.html" title="interface in javax.swing">Action</a> a)</code>
<div class="block">
创建一个菜单项,其属性取自指定的
<code>Action</code>
</div> </td>
</tr>
<tr class="altColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../javax/swing/JMenuItem.html#JMenuItem-javax.swing.Icon-">JMenuItem</a></span>(<a href="../../javax/swing/Icon.html" title="interface in javax.swing">Icon</a> icon)</code>
<div class="block">
用指定的图标创建一个
<code>JMenuItem</code>
</div> </td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../javax/swing/JMenuItem.html#JMenuItem-java.lang.String-">JMenuItem</a></span>(<a href="../../java/lang/String.html" title="class in java.lang">String</a> text)</code>
<div class="block">
用指定的文本创建一个
<code>JMenuItem</code>
</div> </td>
</tr>
<tr class="altColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../javax/swing/JMenuItem.html#JMenuItem-java.lang.String-javax.swing.Icon-">JMenuItem</a></span>(<a href="../../java/lang/String.html" title="class in java.lang">String</a> text, <a href="../../javax/swing/Icon.html" title="interface in javax.swing">Icon</a> icon)</code>
<div class="block">
用指定的文本和图标创建一个
<code>JMenuItem</code>
</div> </td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../javax/swing/JMenuItem.html#JMenuItem-java.lang.String-int-">JMenuItem</a></span>(<a href="../../java/lang/String.html" title="class in java.lang">String</a> text, int mnemonic)</code>
<div class="block">
创建一个
<code>JMenuItem</code>与指定的文本和键盘助记符。
</div> </td>
</tr>
</tbody>
</table> </li>
</ul>
<!-- ========== METHOD SUMMARY =========== -->
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<li class="blockList"><a name="method.summary">
<!-- --> </a> <h3>方法摘要</h3>
<table border="0" cellpadding="3" cellspacing="0" class="memberSummary" summary="Method Summary table, listing methods, and an explanation">
<caption>
<span class="activeTableTab" id="t0"><span>所有方法</span><span class="tabEnd"> </span></span>
<span class="tableTab" id="t2"><span><a href="javascript:show(2);">接口方法</a></span><span class="tabEnd"> </span></span>
<span class="tableTab" id="t4"><span><a href="javascript:show(8);">具体的方法</a></span><span class="tabEnd"> </span></span>
</caption>
<tbody>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tr class="altColor" id="i0">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JMenuItem.html#actionPropertyChanged-javax.swing.Action-java.lang.String-">actionPropertyChanged</a></span>(<a href="../../javax/swing/Action.html" title="interface in javax.swing">Action</a> action, <a href="../../java/lang/String.html" title="class in java.lang">String</a> propertyName)</code>
<div class="block">
响应关联操作中的属性更改更新按钮的状态。
</div> </td>
</tr>
<tr class="rowColor" id="i1">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JMenuItem.html#addMenuDragMouseListener-javax.swing.event.MenuDragMouseListener-">addMenuDragMouseListener</a></span>(<a href="../../javax/swing/event/MenuDragMouseListener.html" title="interface in javax.swing.event">MenuDragMouseListener</a> l)</code>
<div class="block">
在菜单项中添加一个
<code>MenuDragMouseListener</code>
</div> </td>
</tr>
<tr class="altColor" id="i2">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JMenuItem.html#addMenuKeyListener-javax.swing.event.MenuKeyListener-">addMenuKeyListener</a></span>(<a href="../../javax/swing/event/MenuKeyListener.html" title="interface in javax.swing.event">MenuKeyListener</a> l)</code>
<div class="block">
在菜单项中添加一个
<code>MenuKeyListener</code>
</div> </td>
</tr>
<tr class="rowColor" id="i3">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JMenuItem.html#configurePropertiesFromAction-javax.swing.Action-">configurePropertiesFromAction</a></span>(<a href="../../javax/swing/Action.html" title="interface in javax.swing">Action</a> a)</code>
<div class="block">
设置有关该按钮的属性,以匹配指定的
<code>Action</code>
</div> </td>
</tr>
<tr class="altColor" id="i4">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JMenuItem.html#fireMenuDragMouseDragged-javax.swing.event.MenuDragMouseEvent-">fireMenuDragMouseDragged</a></span>(<a href="../../javax/swing/event/MenuDragMouseEvent.html" title="class in javax.swing.event">MenuDragMouseEvent</a> event)</code>
<div class="block">
通知所有在此事件类型上通知有兴趣的听众。
</div> </td>
</tr>
<tr class="rowColor" id="i5">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JMenuItem.html#fireMenuDragMouseEntered-javax.swing.event.MenuDragMouseEvent-">fireMenuDragMouseEntered</a></span>(<a href="../../javax/swing/event/MenuDragMouseEvent.html" title="class in javax.swing.event">MenuDragMouseEvent</a> event)</code>
<div class="block">
通知所有在此事件类型上通知有兴趣的听众。
</div> </td>
</tr>
<tr class="altColor" id="i6">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JMenuItem.html#fireMenuDragMouseExited-javax.swing.event.MenuDragMouseEvent-">fireMenuDragMouseExited</a></span>(<a href="../../javax/swing/event/MenuDragMouseEvent.html" title="class in javax.swing.event">MenuDragMouseEvent</a> event)</code>
<div class="block">
通知所有在此事件类型上通知有兴趣的听众。
</div> </td>
</tr>
<tr class="rowColor" id="i7">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JMenuItem.html#fireMenuDragMouseReleased-javax.swing.event.MenuDragMouseEvent-">fireMenuDragMouseReleased</a></span>(<a href="../../javax/swing/event/MenuDragMouseEvent.html" title="class in javax.swing.event">MenuDragMouseEvent</a> event)</code>
<div class="block">
通知所有在此事件类型上通知有兴趣的听众。
</div> </td>
</tr>
<tr class="altColor" id="i8">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JMenuItem.html#fireMenuKeyPressed-javax.swing.event.MenuKeyEvent-">fireMenuKeyPressed</a></span>(<a href="../../javax/swing/event/MenuKeyEvent.html" title="class in javax.swing.event">MenuKeyEvent</a> event)</code>
<div class="block">
通知所有在此事件类型上通知有兴趣的听众。
</div> </td>
</tr>
<tr class="rowColor" id="i9">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JMenuItem.html#fireMenuKeyReleased-javax.swing.event.MenuKeyEvent-">fireMenuKeyReleased</a></span>(<a href="../../javax/swing/event/MenuKeyEvent.html" title="class in javax.swing.event">MenuKeyEvent</a> event)</code>
<div class="block">
通知所有在此事件类型上通知有兴趣的听众。
</div> </td>
</tr>
<tr class="altColor" id="i10">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JMenuItem.html#fireMenuKeyTyped-javax.swing.event.MenuKeyEvent-">fireMenuKeyTyped</a></span>(<a href="../../javax/swing/event/MenuKeyEvent.html" title="class in javax.swing.event">MenuKeyEvent</a> event)</code>
<div class="block">
通知所有在此事件类型上通知有兴趣的听众。
</div> </td>
</tr>
<tr class="rowColor" id="i11">
<td class="colFirst"><code><a href="../../javax/swing/KeyStroke.html" title="class in javax.swing">KeyStroke</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JMenuItem.html#getAccelerator--">getAccelerator</a></span>()</code>
<div class="block">
返回
<code>KeyStroke</code>作为菜单项的加速器。
</div> </td>
</tr>
<tr class="altColor" id="i12">
<td class="colFirst"><code><a href="../../javax/accessibility/AccessibleContext.html" title="class in javax.accessibility">AccessibleContext</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JMenuItem.html#getAccessibleContext--">getAccessibleContext</a></span>()</code>
<div class="block">
返回
<code>AccessibleContext</code>与此相关
<code>JMenuItem</code>
</div> </td>
</tr>
<tr class="rowColor" id="i13">
<td class="colFirst"><code><a href="../../java/awt/Component.html" title="class in java.awt">Component</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JMenuItem.html#getComponent--">getComponent</a></span>()</code>
<div class="block">
返回用于绘制此对象的
<code>java.awt.Component</code>
</div> </td>
</tr>
<tr class="altColor" id="i14">
<td class="colFirst"><code><a href="../../javax/swing/event/MenuDragMouseListener.html" title="interface in javax.swing.event">MenuDragMouseListener</a>[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JMenuItem.html#getMenuDragMouseListeners--">getMenuDragMouseListeners</a></span>()</code>
<div class="block">
返回使用addMenuDragMouseListener添加到此JMenuItem的所有
<code>MenuDragMouseListener</code>的数组。
</div> </td>
</tr>
<tr class="rowColor" id="i15">
<td class="colFirst"><code><a href="../../javax/swing/event/MenuKeyListener.html" title="interface in javax.swing.event">MenuKeyListener</a>[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JMenuItem.html#getMenuKeyListeners--">getMenuKeyListeners</a></span>()</code>
<div class="block">
返回使用addMenuKeyListener添加到此JMenuItem的所有
<code>MenuKeyListener</code>的数组。
</div> </td>
</tr>
<tr class="altColor" id="i16">
<td class="colFirst"><code><a href="../../javax/swing/MenuElement.html" title="interface in javax.swing">MenuElement</a>[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JMenuItem.html#getSubElements--">getSubElements</a></span>()</code>
<div class="block">
此方法返回一个包含此菜单组件的子菜单组件的数组。
</div> </td>
</tr>
<tr class="rowColor" id="i17">
<td class="colFirst"><code><a href="../../java/lang/String.html" title="class in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JMenuItem.html#getUIClassID--">getUIClassID</a></span>()</code>
<div class="block">
返回用于构造用于呈现此组件的LF类的名称的后缀。
</div> </td>
</tr>
<tr class="altColor" id="i18">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JMenuItem.html#init-java.lang.String-javax.swing.Icon-">init</a></span>(<a href="../../java/lang/String.html" title="class in java.lang">String</a> text, <a href="../../javax/swing/Icon.html" title="interface in javax.swing">Icon</a> icon)</code>
<div class="block">
用指定的文本和图标初始化菜单项。
</div> </td>
</tr>
<tr class="rowColor" id="i19">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JMenuItem.html#isArmed--">isArmed</a></span>()</code>
<div class="block">
返回菜单项是否为“布防”。
</div> </td>
</tr>
<tr class="altColor" id="i20">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JMenuItem.html#menuSelectionChanged-boolean-">menuSelectionChanged</a></span>(boolean isIncluded)</code>
<div class="block">
由被叫
<code>MenuSelectionManager</code>
<code>MenuElement</code>被选择或取消选择。
</div> </td>
</tr>
<tr class="rowColor" id="i21">
<td class="colFirst"><code>protected <a href="../../java/lang/String.html" title="class in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JMenuItem.html#paramString--">paramString</a></span>()</code>
<div class="block">
返回此
<code>JMenuItem</code>的字符串表示
<code>JMenuItem</code>
</div> </td>
</tr>
<tr class="altColor" id="i22">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JMenuItem.html#processKeyEvent-java.awt.event.KeyEvent-javax.swing.MenuElement:A-javax.swing.MenuSelectionManager-">processKeyEvent</a></span>(<a href="../../java/awt/event/KeyEvent.html" title="class in java.awt.event">KeyEvent</a> e, <a href="../../javax/swing/MenuElement.html" title="interface in javax.swing">MenuElement</a>[] path, <a href="../../javax/swing/MenuSelectionManager.html" title="class in javax.swing">MenuSelectionManager</a> manager)</code>
<div class="block">
处理来自转发的键事件
<code>MenuSelectionManager</code>和更改菜单选择,如果需要,通过使用
<code>MenuSelectionManager</code>的API。
</div> </td>
</tr>
<tr class="rowColor" id="i23">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JMenuItem.html#processMenuDragMouseEvent-javax.swing.event.MenuDragMouseEvent-">processMenuDragMouseEvent</a></span>(<a href="../../javax/swing/event/MenuDragMouseEvent.html" title="class in javax.swing.event">MenuDragMouseEvent</a> e)</code>
<div class="block">
在菜单中处理鼠标拖动。
</div> </td>
</tr>
<tr class="altColor" id="i24">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JMenuItem.html#processMenuKeyEvent-javax.swing.event.MenuKeyEvent-">processMenuKeyEvent</a></span>(<a href="../../javax/swing/event/MenuKeyEvent.html" title="class in javax.swing.event">MenuKeyEvent</a> e)</code>
<div class="block">
在菜单中处理按键。
</div> </td>
</tr>
<tr class="rowColor" id="i25">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JMenuItem.html#processMouseEvent-java.awt.event.MouseEvent-javax.swing.MenuElement:A-javax.swing.MenuSelectionManager-">processMouseEvent</a></span>(<a href="../../java/awt/event/MouseEvent.html" title="class in java.awt.event">MouseEvent</a> e, <a href="../../javax/swing/MenuElement.html" title="interface in javax.swing">MenuElement</a>[] path, <a href="../../javax/swing/MenuSelectionManager.html" title="class in javax.swing">MenuSelectionManager</a> manager)</code>
<div class="block">
处理从MenuSelectionManager转发的鼠标事件并根据
<code>MenuSelectionManager</code>更改菜单选项,方法是使用
<code>MenuSelectionManager</code>的API。
</div> </td>
</tr>
<tr class="altColor" id="i26">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JMenuItem.html#removeMenuDragMouseListener-javax.swing.event.MenuDragMouseListener-">removeMenuDragMouseListener</a></span>(<a href="../../javax/swing/event/MenuDragMouseListener.html" title="interface in javax.swing.event">MenuDragMouseListener</a> l)</code>
<div class="block">
从菜单项中删除
<code>MenuDragMouseListener</code>
</div> </td>
</tr>
<tr class="rowColor" id="i27">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JMenuItem.html#removeMenuKeyListener-javax.swing.event.MenuKeyListener-">removeMenuKeyListener</a></span>(<a href="../../javax/swing/event/MenuKeyListener.html" title="interface in javax.swing.event">MenuKeyListener</a> l)</code>
<div class="block">
从菜单项中删除
<code>MenuKeyListener</code>
</div> </td>
</tr>
<tr class="altColor" id="i28">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JMenuItem.html#setAccelerator-javax.swing.KeyStroke-">setAccelerator</a></span>(<a href="../../javax/swing/KeyStroke.html" title="class in javax.swing">KeyStroke</a> keyStroke)</code>
<div class="block">
设置在不导航菜单层次结构的情况下调用菜单项的动作侦听器的组合键。
</div> </td>
</tr>
<tr class="rowColor" id="i29">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JMenuItem.html#setArmed-boolean-">setArmed</a></span>(boolean b)</code>
<div class="block">
将菜单项标识为“布防”。
</div> </td>
</tr>
<tr class="altColor" id="i30">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JMenuItem.html#setEnabled-boolean-">setEnabled</a></span>(boolean b)</code>
<div class="block">
启用或禁用菜单项。
</div> </td>
</tr>
<tr class="rowColor" id="i31">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JMenuItem.html#setModel-javax.swing.ButtonModel-">setModel</a></span>(<a href="../../javax/swing/ButtonModel.html" title="interface in javax.swing">ButtonModel</a> newModel)</code>
<div class="block">
设置此按钮所代表的模型。
</div> </td>
</tr>
<tr class="altColor" id="i32">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JMenuItem.html#setUI-javax.swing.plaf.MenuItemUI-">setUI</a></span>(<a href="../../javax/swing/plaf/MenuItemUI.html" title="class in javax.swing.plaf">MenuItemUI</a> ui)</code>
<div class="block">
设置呈现此组件的外观和对象。
</div> </td>
</tr>
<tr class="rowColor" id="i33">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JMenuItem.html#updateUI--">updateUI</a></span>()</code>
<div class="block">
将UI属性重新设置为来自当前外观的值。
</div> </td>
</tr>
</tbody>
</table>
<ul class="blockList">
<li class="blockList"><a name="methods.inherited.from.class.javax.swing.AbstractButton">
<!-- --> </a> <h3>Methods inherited from class javax.swing.<a href="../../javax/swing/AbstractButton.html" title="class in javax.swing">AbstractButton</a></h3> <code><a href="../../javax/swing/AbstractButton.html#addActionListener-java.awt.event.ActionListener-">addActionListener</a>, <a href="../../javax/swing/AbstractButton.html#addChangeListener-javax.swing.event.ChangeListener-">addChangeListener</a>, <a href="../../javax/swing/AbstractButton.html#addImpl-java.awt.Component-java.lang.Object-int-">addImpl</a>, <a href="../../javax/swing/AbstractButton.html#addItemListener-java.awt.event.ItemListener-">addItemListener</a>, <a href="../../javax/swing/AbstractButton.html#checkHorizontalKey-int-java.lang.String-">checkHorizontalKey</a>, <a href="../../javax/swing/AbstractButton.html#checkVerticalKey-int-java.lang.String-">checkVerticalKey</a>, <a href="../../javax/swing/AbstractButton.html#createActionListener--">createActionListener</a>, <a href="../../javax/swing/AbstractButton.html#createActionPropertyChangeListener-javax.swing.Action-">createActionPropertyChangeListener</a>, <a href="../../javax/swing/AbstractButton.html#createChangeListener--">createChangeListener</a>, <a href="../../javax/swing/AbstractButton.html#createItemListener--">createItemListener</a>, <a href="../../javax/swing/AbstractButton.html#doClick--">doClick</a>, <a href="../../javax/swing/AbstractButton.html#doClick-int-">doClick</a>, <a href="../../javax/swing/AbstractButton.html#fireActionPerformed-java.awt.event.ActionEvent-">fireActionPerformed</a>, <a href="../../javax/swing/AbstractButton.html#fireItemStateChanged-java.awt.event.ItemEvent-">fireItemStateChanged</a>, <a href="../../javax/swing/AbstractButton.html#fireStateChanged--">fireStateChanged</a>, <a href="../../javax/swing/AbstractButton.html#getAction--">getAction</a>, <a href="../../javax/swing/AbstractButton.html#getActionCommand--">getActionCommand</a>, <a href="../../javax/swing/AbstractButton.html#getActionListeners--">getActionListeners</a>, <a href="../../javax/swing/AbstractButton.html#getChangeListeners--">getChangeListeners</a>, <a href="../../javax/swing/AbstractButton.html#getDisabledIcon--">getDisabledIcon</a>, <a href="../../javax/swing/AbstractButton.html#getDisabledSelectedIcon--">getDisabledSelectedIcon</a>, <a href="../../javax/swing/AbstractButton.html#getDisplayedMnemonicIndex--">getDisplayedMnemonicIndex</a>, <a href="../../javax/swing/AbstractButton.html#getHideActionText--">getHideActionText</a>, <a href="../../javax/swing/AbstractButton.html#getHorizontalAlignment--">getHorizontalAlignment</a>, <a href="../../javax/swing/AbstractButton.html#getHorizontalTextPosition--">getHorizontalTextPosition</a>, <a href="../../javax/swing/AbstractButton.html#getIcon--">getIcon</a>, <a href="../../javax/swing/AbstractButton.html#getIconTextGap--">getIconTextGap</a>, <a href="../../javax/swing/AbstractButton.html#getItemListeners--">getItemListeners</a>, <a href="../../javax/swing/AbstractButton.html#getLabel--">getLabel</a>, <a href="../../javax/swing/AbstractButton.html#getMargin--">getMargin</a>, <a href="../../javax/swing/AbstractButton.html#getMnemonic--">getMnemonic</a>, <a href="../../javax/swing/AbstractButton.html#getModel--">getModel</a>, <a href="../../javax/swing/AbstractButton.html#getMultiClickThreshhold--">getMultiClickThreshhold</a>, <a href="../../javax/swing/AbstractButton.html#getPressedIcon--">getPressedIcon</a>, <a href="../../javax/swing/AbstractButton.html#getRolloverIcon--">getRolloverIcon</a>, <a href="../../javax/swing/AbstractButton.html#getRolloverSelectedIcon--">getRolloverSelectedIcon</a>, <a href="../../javax/swing/AbstractButton.html#getSelectedIcon--">getSelectedIcon</a>, <a href="../../javax/swing/AbstractButton.html#getSelectedObjects--">getSelectedObjects</a>, <a href="../../javax/swing/AbstractButton.html#getText--">getText</a>, <a href="../../javax/swing/AbstractButton.html#getUI--">getUI</a>, <a href="../../javax/swing/AbstractButton.html#getVerticalAlignment--">getVerticalAlignment</a>, <a href="../../javax/swing/AbstractButton.html#getVerticalTextPosition--">getVerticalTextPosition</a>, <a href="../../javax/swing/AbstractButton.html#imageUpdate-java.awt.Image-int-int-int-int-int-">imageUpdate</a>, <a href="../../javax/swing/AbstractButton.html#isBorderPainted--">isBorderPainted</a>, <a href="../../javax/swing/AbstractButton.html#isContentAreaFilled--">isContentAreaFilled</a>, <a href="../../javax/swing/AbstractButton.html#isFocusPainted--">isFocusPainted</a>, <a href="../../javax/swing/AbstractButton.html#isRolloverEnabled--">isRolloverEnabled</a>, <a href="../../javax/swing/AbstractButton.html#isSelected--">isSelected</a>, <a href="../../javax/swing/AbstractButton.html#paintBorder-java.awt.Graphics-">paintBorder</a>, <a href="../../javax/swing/AbstractButton.html#removeActionListener-java.awt.event.ActionListener-">removeActionListener</a>, <a href="../../javax/swing/AbstractButton.html#removeChangeListener-javax.swing.event.ChangeListener-">removeChangeListener</a>, <a href="../../javax/swing/AbstractButton.html#removeItemListener-java.awt.event.ItemListener-">removeItemListener</a>, <a href="../../javax/swing/AbstractButton.html#removeNotify--">removeNotify</a>, <a href="../../javax/swing/AbstractButton.html#setAction-javax.swing.Action-">setAction</a>, <a href="../../javax/swing/AbstractButton.html#setActionCommand-java.lang.String-">setActionCommand</a>, <a href="../../javax/swing/AbstractButton.html#setBorderPainted-boolean-">setBorderPainted</a>, <a href="../../javax/swing/AbstractButton.html#setContentAreaFilled-boolean-">setContentAreaFilled</a>, <a href="../../javax/swing/AbstractButton.html#setDisabledIcon-javax.swing.Icon-">setDisabledIcon</a>, <a href="../../javax/swing/AbstractButton.html#setDisabledSelectedIcon-javax.swing.Icon-">setDisabledSelectedIcon</a>, <a href="../../javax/swing/AbstractButton.html#setDisplayedMnemonicIndex-int-">setDisplayedMnemonicIndex</a>, <a href="../../javax/swing/AbstractButton.html#setFocusPainted-boolean-">setFocusPainted</a>, <a href="../../javax/swing/AbstractButton.html#setHideActionText-boolean-">setHideActionText</a>, <a href="../../javax/swing/AbstractButton.html#setHorizontalAlignment-int-">setHorizontalAlignment</a>, <a href="../../javax/swing/AbstractButton.html#setHorizontalTextPosition-int-">setHorizontalTextPosition</a>, <a href="../../javax/swing/AbstractButton.html#setIcon-javax.swing.Icon-">setIcon</a>, <a href="../../javax/swing/AbstractButton.html#setIconTextGap-int-">setIconTextGap</a>, <a href="../../javax/swing/AbstractButton.html#setLabel-java.lang.String-">setLabel</a>, <a href="../../javax/swing/AbstractButton.html#setLayout-java.awt.LayoutManager-">setLayout</a>, <a href="../../javax/swing/AbstractButton.html#setMargin-java.awt.Insets-">setMargin</a>, <a href="../../javax/swing/AbstractButton.html#setMnemonic-char-">setMnemonic</a>, <a href="../../javax/swing/AbstractButton.html#setMnemonic-int-">setMnemonic</a>, <a href="../../javax/swing/AbstractButton.html#setMultiClickThreshhold-long-">setMultiClickThreshhold</a>, <a href="../../javax/swing/AbstractButton.html#setPressedIcon-javax.swing.Icon-">setPressedIcon</a>, <a href="../../javax/swing/AbstractButton.html#setRolloverEnabled-boolean-">setRolloverEnabled</a>, <a href="../../javax/swing/AbstractButton.html#setRolloverIcon-javax.swing.Icon-">setRolloverIcon</a>, <a href="../../javax/swing/AbstractButton.html#setRolloverSelectedIcon-javax.swing.Icon-">setRolloverSelectedIcon</a>, <a href="../../javax/swing/AbstractButton.html#setSelected-boolean-">setSelected</a>, <a href="../../javax/swing/AbstractButton.html#setSelectedIcon-javax.swing.Icon-">setSelectedIcon</a>, <a href="../../javax/swing/AbstractButton.html#setText-java.lang.String-">setText</a>, <a href="../../javax/swing/AbstractButton.html#setUI-javax.swing.plaf.ButtonUI-">setUI</a>, <a href="../../javax/swing/AbstractButton.html#setVerticalAlignment-int-">setVerticalAlignment</a>, <a href="../../javax/swing/AbstractButton.html#setVerticalTextPosition-int-">setVerticalTextPosition</a></code></li>
</ul>
<ul class="blockList">
<li class="blockList"><a name="methods.inherited.from.class.javax.swing.JComponent">
<!-- --> </a> <h3>Methods inherited from class javax.swing.<a href="../../javax/swing/JComponent.html" title="class in javax.swing">JComponent</a></h3> <code><a href="../../javax/swing/JComponent.html#addAncestorListener-javax.swing.event.AncestorListener-">addAncestorListener</a>, <a href="../../javax/swing/JComponent.html#addNotify--">addNotify</a>, <a href="../../javax/swing/JComponent.html#addVetoableChangeListener-java.beans.VetoableChangeListener-">addVetoableChangeListener</a>, <a href="../../javax/swing/JComponent.html#computeVisibleRect-java.awt.Rectangle-">computeVisibleRect</a>, <a href="../../javax/swing/JComponent.html#contains-int-int-">contains</a>, <a href="../../javax/swing/JComponent.html#createToolTip--">createToolTip</a>, <a href="../../javax/swing/JComponent.html#disable--">disable</a>, <a href="../../javax/swing/JComponent.html#enable--">enable</a>, <a 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href="../../java/awt/Component.html#mouseExit-java.awt.Event-int-int-">mouseExit</a>, <a href="../../java/awt/Component.html#mouseMove-java.awt.Event-int-int-">mouseMove</a>, <a href="../../java/awt/Component.html#mouseUp-java.awt.Event-int-int-">mouseUp</a>, <a href="../../java/awt/Component.html#move-int-int-">move</a>, <a href="../../java/awt/Component.html#nextFocus--">nextFocus</a>, <a href="../../java/awt/Component.html#paintAll-java.awt.Graphics-">paintAll</a>, <a href="../../java/awt/Component.html#postEvent-java.awt.Event-">postEvent</a>, <a href="../../java/awt/Component.html#prepareImage-java.awt.Image-java.awt.image.ImageObserver-">prepareImage</a>, <a href="../../java/awt/Component.html#prepareImage-java.awt.Image-int-int-java.awt.image.ImageObserver-">prepareImage</a>, <a href="../../java/awt/Component.html#processComponentEvent-java.awt.event.ComponentEvent-">processComponentEvent</a>, <a 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href="../../java/awt/Component.html#removePropertyChangeListener-java.beans.PropertyChangeListener-">removePropertyChangeListener</a>, <a href="../../java/awt/Component.html#removePropertyChangeListener-java.lang.String-java.beans.PropertyChangeListener-">removePropertyChangeListener</a>, <a href="../../java/awt/Component.html#repaint--">repaint</a>, <a href="../../java/awt/Component.html#repaint-int-int-int-int-">repaint</a>, <a href="../../java/awt/Component.html#repaint-long-">repaint</a>, <a href="../../java/awt/Component.html#resize-java.awt.Dimension-">resize</a>, <a href="../../java/awt/Component.html#resize-int-int-">resize</a>, <a href="../../java/awt/Component.html#setBounds-int-int-int-int-">setBounds</a>, <a href="../../java/awt/Component.html#setBounds-java.awt.Rectangle-">setBounds</a>, <a href="../../java/awt/Component.html#setComponentOrientation-java.awt.ComponentOrientation-">setComponentOrientation</a>, <a href="../../java/awt/Component.html#setCursor-java.awt.Cursor-">setCursor</a>, <a href="../../java/awt/Component.html#setDropTarget-java.awt.dnd.DropTarget-">setDropTarget</a>, <a href="../../java/awt/Component.html#setFocusable-boolean-">setFocusable</a>, <a href="../../java/awt/Component.html#setFocusTraversalKeysEnabled-boolean-">setFocusTraversalKeysEnabled</a>, <a href="../../java/awt/Component.html#setIgnoreRepaint-boolean-">setIgnoreRepaint</a>, <a href="../../java/awt/Component.html#setLocale-java.util.Locale-">setLocale</a>, <a href="../../java/awt/Component.html#setLocation-int-int-">setLocation</a>, <a href="../../java/awt/Component.html#setLocation-java.awt.Point-">setLocation</a>, <a href="../../java/awt/Component.html#setName-java.lang.String-">setName</a>, <a href="../../java/awt/Component.html#setSize-java.awt.Dimension-">setSize</a>, <a href="../../java/awt/Component.html#setSize-int-int-">setSize</a>, <a href="../../java/awt/Component.html#show--">show</a>, <a href="../../java/awt/Component.html#show-boolean-">show</a>, <a href="../../java/awt/Component.html#size--">size</a>, <a href="../../java/awt/Component.html#toString--">toString</a>, <a href="../../java/awt/Component.html#transferFocus--">transferFocus</a>, <a href="../../java/awt/Component.html#transferFocusBackward--">transferFocusBackward</a>, <a href="../../java/awt/Component.html#transferFocusUpCycle--">transferFocusUpCycle</a></code></li>
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<li class="blockList"><a name="constructor.detail">
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<ul class="blockList">
<li class="blockList"> <h4>JMenuItem</h4> <pre>public JMenuItem()</pre>
<div class="block">
创建一个没有设置文本或图标的
<code>JMenuItem</code>
</div> </li>
</ul> <a name="JMenuItem-javax.swing.Icon-">
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<ul class="blockList">
<li class="blockList"> <h4>JMenuItem</h4> <pre>public JMenuItem(<a href="../../javax/swing/Icon.html" title="interface in javax.swing">Icon</a> icon)</pre>
<div class="block">
用指定的图标创建一个
<code>JMenuItem</code>
</div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>icon</code> -的图标
<code>JMenuItem</code>
</dd>
</dl> </li>
</ul> <a name="JMenuItem-java.lang.String-">
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<ul class="blockList">
<li class="blockList"> <h4>JMenuItem</h4> <pre>public JMenuItem(<a href="../../java/lang/String.html" title="class in java.lang">String</a> text)</pre>
<div class="block">
用指定的文本创建一个
<code>JMenuItem</code>
</div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>text</code> - 文字
<code>JMenuItem</code>
</dd>
</dl> </li>
</ul> <a name="JMenuItem-javax.swing.Action-">
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<ul class="blockList">
<li class="blockList"> <h4>JMenuItem</h4> <pre>public JMenuItem(<a href="../../javax/swing/Action.html" title="interface in javax.swing">Action</a> a)</pre>
<div class="block">
创建一个菜单项,其属性取自指定的
<code>Action</code>
</div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>a</code> -的的作用
<code>JMenuItem</code>
</dd>
<dt>
<span class="simpleTagLabel">从以下版本开始:</span>
</dt>
<dd>
1.3
</dd>
</dl> </li>
</ul> <a name="JMenuItem-java.lang.String-javax.swing.Icon-">
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<ul class="blockList">
<li class="blockList"> <h4>JMenuItem</h4> <pre>public JMenuItem(<a href="../../java/lang/String.html" title="class in java.lang">String</a> text,
<a href="../../javax/swing/Icon.html" title="interface in javax.swing">Icon</a> icon)</pre>
<div class="block">
使用指定的文本和图标创建
<code>JMenuItem</code>
</div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>text</code> - 文字
<code>JMenuItem</code>
</dd>
<dd>
<code>icon</code> -的图标
<code>JMenuItem</code>
</dd>
</dl> </li>
</ul> <a name="JMenuItem-java.lang.String-int-">
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<ul class="blockListLast">
<li class="blockList"> <h4>JMenuItem</h4> <pre>public JMenuItem(<a href="../../java/lang/String.html" title="class in java.lang">String</a> text,
int mnemonic)</pre>
<div class="block">
用指定的文本和键盘助记符创建一个
<code>JMenuItem</code>
</div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>text</code> - 文字
<code>JMenuItem</code>
</dd>
<dd>
<code>mnemonic</code> - 键盘助记符为
<code>JMenuItem</code>
</dd>
</dl> </li>
</ul> </li>
</ul>
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<ul class="blockList">
<li class="blockList"><a name="method.detail">
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<ul class="blockList">
<li class="blockList"> <h4>setModel</h4> <pre>public void setModel(<a href="../../javax/swing/ButtonModel.html" title="interface in javax.swing">ButtonModel</a> newModel)</pre>
<div class="block">
设置此按钮所代表的模型。
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">重写:</span>
</dt>
<dd>
<code><a href="../../javax/swing/AbstractButton.html#setModel-javax.swing.ButtonModel-">setModel</a></code>
<code><a href="../../javax/swing/AbstractButton.html" title="class in javax.swing">AbstractButton</a></code>
</dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>newModel</code> - 全新
<code>ButtonModel</code>
</dd>
<dt>
<span class="seeLabel">另请参见:</span>
</dt>
<dd>
<a href="../../javax/swing/AbstractButton.html#getModel--"><code>AbstractButton.getModel()</code></a>
</dd>
</dl> </li>
</ul> <a name="init-java.lang.String-javax.swing.Icon-">
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<ul class="blockList">
<li class="blockList"> <h4>init</h4> <pre>protected void init(<a href="../../java/lang/String.html" title="class in java.lang">String</a> text,
<a href="../../javax/swing/Icon.html" title="interface in javax.swing">Icon</a> icon)</pre>
<div class="block">
用指定的文本和图标初始化菜单项。
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">重写:</span>
</dt>
<dd>
<code><a href="../../javax/swing/AbstractButton.html#init-java.lang.String-javax.swing.Icon-">init</a></code>
<code><a href="../../javax/swing/AbstractButton.html" title="class in javax.swing">AbstractButton</a></code>
</dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>text</code> - 文字的
<code>JMenuItem</code>
</dd>
<dd>
<code>icon</code> -的图标
<code>JMenuItem</code>
</dd>
</dl> </li>
</ul> <a name="setUI-javax.swing.plaf.MenuItemUI-">
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<ul class="blockList">
<li class="blockList"> <h4>setUI</h4> <pre>public void setUI(<a href="../../javax/swing/plaf/MenuItemUI.html" title="class in javax.swing.plaf">MenuItemUI</a> ui)</pre>
<div class="block">
设置呈现此组件的外观和对象。
</div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>ui</code> -
<code>JMenuItemUI</code> LF对象
</dd>
<dt>
<span class="seeLabel">另请参见:</span>
</dt>
<dd>
<a href="../../javax/swing/UIDefaults.html#getUI-javax.swing.JComponent-"><code>UIDefaults.getUI(javax.swing.JComponent)</code></a>
</dd>
</dl> </li>
</ul> <a name="updateUI--">
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<ul class="blockList">
<li class="blockList"> <h4>updateUI</h4> <pre>public void updateUI()</pre>
<div class="block">
将UI属性重新设置为来自当前外观的值。
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">重写:</span>
</dt>
<dd>
<code><a href="../../javax/swing/AbstractButton.html#updateUI--">updateUI</a></code>
<code><a href="../../javax/swing/AbstractButton.html" title="class in javax.swing">AbstractButton</a></code>
</dd>
<dt>
<span class="seeLabel">另请参见:</span>
</dt>
<dd>
<a href="../../javax/swing/JComponent.html#updateUI--"><code>JComponent.updateUI()</code></a>
</dd>
</dl> </li>
</ul> <a name="getUIClassID--">
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<ul class="blockList">
<li class="blockList"> <h4>getUIClassID</h4> <pre>public <a href="../../java/lang/String.html" title="class in java.lang">String</a> getUIClassID()</pre>
<div class="block">
返回用于构造用于呈现此组件的LF类的名称的后缀。
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">重写:</span>
</dt>
<dd>
<code><a href="../../javax/swing/JComponent.html#getUIClassID--">getUIClassID</a></code>
<code><a href="../../javax/swing/JComponent.html" title="class in javax.swing">JComponent</a></code>
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
字符串“MenuItemUI”
</dd>
<dt>
<span class="seeLabel">另请参见:</span>
</dt>
<dd>
<a href="../../javax/swing/JComponent.html#getUIClassID--"><code>JComponent.getUIClassID()</code></a>
<a href="../../javax/swing/UIDefaults.html#getUI-javax.swing.JComponent-"><code>UIDefaults.getUI(javax.swing.JComponent)</code></a>
</dd>
</dl> </li>
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<ul class="blockList">
<li class="blockList"> <h4>setArmed</h4> <pre>public void setArmed(boolean b)</pre>
<div class="block">
<span>将菜单项标识为“布防”。</span>
<span>如果鼠标按钮在该项目结束时被释放,则菜单的动作事件将触发。</span>
<span>如果鼠标按钮在其他地方被释放,事件将不会触发,菜单项将被撤防。</span>
</div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>b</code> - 真的
<code>b</code>菜单项,以便它可以选择
</dd>
</dl> </li>
</ul> <a name="isArmed--">
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<ul class="blockList">
<li class="blockList"> <h4>isArmed</h4> <pre>public boolean isArmed()</pre>
<div class="block">
返回菜单项是否为“布防”。
</div>
<dl>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
如果菜单项已布防,则为真,并且可以选择该项
</dd>
<dt>
<span class="seeLabel">另请参见:</span>
</dt>
<dd>
<a href="../../javax/swing/JMenuItem.html#setArmed-boolean-"><code>setArmed(boolean)</code></a>
</dd>
</dl> </li>
</ul> <a name="setEnabled-boolean-">
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<ul class="blockList">
<li class="blockList"> <h4>setEnabled</h4> <pre>public void setEnabled(boolean b)</pre>
<div class="block">
启用或禁用菜单项。
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">重写:</span>
</dt>
<dd>
<code><a href="../../javax/swing/AbstractButton.html#setEnabled-boolean-">setEnabled</a></code>
<code><a href="../../javax/swing/AbstractButton.html" title="class in javax.swing">AbstractButton</a></code>
</dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>b</code> - true启用项目
</dd>
<dt>
<span class="seeLabel">另请参见:</span>
</dt>
<dd>
<a href="../../java/awt/Component.html#isEnabled--"><code>Component.isEnabled()</code></a>
<a href="../../java/awt/Component.html#isLightweight--"><code>Component.isLightweight()</code></a>
</dd>
</dl> </li>
</ul> <a name="setAccelerator-javax.swing.KeyStroke-">
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<ul class="blockList">
<li class="blockList"> <h4>setAccelerator</h4> <pre>public void setAccelerator(<a href="../../javax/swing/KeyStroke.html" title="class in javax.swing">KeyStroke</a> keyStroke)</pre>
<div class="block">
<span>设置在不导航菜单层次结构的情况下调用菜单项的动作侦听器的组合键。</span>
<span>UI是安装正确操作的责任。</span>
<span>请注意,当键盘加速键入时,无论菜单当前是否显示,都会起作用。</span>
</div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>keyStroke</code> -在
<code>KeyStroke</code>将作为加速器
</dd>
</dl> </li>
</ul> <a name="getAccelerator--">
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<ul class="blockList">
<li class="blockList"> <h4>getAccelerator</h4> <pre>public <a href="../../javax/swing/KeyStroke.html" title="class in javax.swing">KeyStroke</a> getAccelerator()</pre>
<div class="block">
返回
<code>KeyStroke</code>其作为菜单项的加速器。
</div>
<dl>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
<code>KeyStroke</code>加速键的
<code>KeyStroke</code>对象
</dd>
</dl> </li>
</ul> <a name="configurePropertiesFromAction-javax.swing.Action-">
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<ul class="blockList">
<li class="blockList"> <h4>configurePropertiesFromAction</h4> <pre>protected void configurePropertiesFromAction(<a href="../../javax/swing/Action.html" title="interface in javax.swing">Action</a> a)</pre>
<div class="block">
<span>设置有关该按钮的属性,以匹配指定的<code>Action</code></span>
<span>请参考<a href="Action.html#buttonActions">Swing Components Supporting <code>Action</code></a>有关这些<a href="Action.html#buttonActions">属性</a>的更多细节。</span>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">重写:</span>
</dt>
<dd>
<code><a href="../../javax/swing/AbstractButton.html#configurePropertiesFromAction-javax.swing.Action-">configurePropertiesFromAction</a></code>
<code><a href="../../javax/swing/AbstractButton.html" title="class in javax.swing">AbstractButton</a></code>
</dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>a</code> -
<code>Action</code>从哪个获取属性,或
<code>null</code>
</dd>
<dt>
<span class="simpleTagLabel">从以下版本开始:</span>
</dt>
<dd>
1.3
</dd>
<dt>
<span class="seeLabel">另请参见:</span>
</dt>
<dd>
<span><a href="../../javax/swing/Action.html" title="javax.swing中的接口"><code>Action</code></a> <a href="../../javax/swing/AbstractButton.html#setAction-javax.swing.Action-"><code>AbstractButton.setAction(javax.swing.Action)</code></a></span>
</dd>
</dl> </li>
</ul> <a name="actionPropertyChanged-javax.swing.Action-java.lang.String-">
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<ul class="blockList">
<li class="blockList"> <h4>actionPropertyChanged</h4> <pre>protected void actionPropertyChanged(<a href="../../javax/swing/Action.html" title="interface in javax.swing">Action</a> action,
<a href="../../java/lang/String.html" title="class in java.lang">String</a> propertyName)</pre>
<div class="block">
<span>响应关联操作中的属性更改更新按钮的状态。</span>
<span>此方法被调用的<code>PropertyChangeListener</code>从返回<code>createActionPropertyChangeListener</code></span>
<span>子类通常不需要调用它。</span>
<span>支持额外Action <code>Action</code>子类应该覆盖此和<code>configurePropertiesFromAction</code></span>
<p> <span>有关此方法设置的属性的列表,请参阅<a href="Action.html#buttonActions">Swing Components Supporting <code>Action</code></a>的表。</span> </p>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">重写:</span>
</dt>
<dd>
<code><a href="../../javax/swing/AbstractButton.html#actionPropertyChanged-javax.swing.Action-java.lang.String-">actionPropertyChanged</a></code>
<code><a href="../../javax/swing/AbstractButton.html" title="class in javax.swing">AbstractButton</a></code>
</dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>action</code> - 与此按钮相关
<code>Action</code> Action
</dd>
<dd>
<code>propertyName</code> - 更改的属性的名称
</dd>
<dt>
<span class="simpleTagLabel">从以下版本开始:</span>
</dt>
<dd>
1.6
</dd>
<dt>
<span class="seeLabel">另请参见:</span>
</dt>
<dd>
<span><a href="../../javax/swing/Action.html" title="javax.swing中的接口"><code>Action</code></a> <a href="../../javax/swing/AbstractButton.html#configurePropertiesFromAction-javax.swing.Action-"><code>AbstractButton.configurePropertiesFromAction(javax.swing.Action)</code></a></span>
</dd>
</dl> </li>
</ul> <a name="processMouseEvent-java.awt.event.MouseEvent-javax.swing.MenuElement:A-javax.swing.MenuSelectionManager-">
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<ul class="blockList">
<li class="blockList"> <h4>processMouseEvent</h4> <pre>public void processMouseEvent(<a href="../../java/awt/event/MouseEvent.html" title="class in java.awt.event">MouseEvent</a> e,
<a href="../../javax/swing/MenuElement.html" title="interface in javax.swing">MenuElement</a>[] path,
<a href="../../javax/swing/MenuSelectionManager.html" title="class in javax.swing">MenuSelectionManager</a> manager)</pre>
<div class="block">
<span>处理从MenuSelectionManager转发的鼠标事件并根据<code>MenuSelectionManager</code>更改菜单选项,方法是使用<code>MenuSelectionManager</code>的API。</span>
<p> <span>注意:您不必将事件转发到子组件。</span> <span>这是由<code>MenuSelectionManager</code></span> </p>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../javax/swing/MenuElement.html#processMouseEvent-java.awt.event.MouseEvent-javax.swing.MenuElement:A-javax.swing.MenuSelectionManager-">processMouseEvent</a></code>在接口
<code><a href="../../javax/swing/MenuElement.html" title="interface in javax.swing">MenuElement</a></code>
</dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>e</code> - a
<code>MouseEvent</code>
</dd>
<dd>
<code>path</code> -
<code>MenuElement</code>路径数组
</dd>
<dd>
<code>manager</code> -
<code>MenuSelectionManager</code>
</dd>
</dl> </li>
</ul> <a name="processKeyEvent-java.awt.event.KeyEvent-javax.swing.MenuElement:A-javax.swing.MenuSelectionManager-">
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<ul class="blockList">
<li class="blockList"> <h4>processKeyEvent</h4> <pre>public void processKeyEvent(<a href="../../java/awt/event/KeyEvent.html" title="class in java.awt.event">KeyEvent</a> e,
<a href="../../javax/swing/MenuElement.html" title="interface in javax.swing">MenuElement</a>[] path,
<a href="../../javax/swing/MenuSelectionManager.html" title="class in javax.swing">MenuSelectionManager</a> manager)</pre>
<div class="block">
<span>处理从MenuSelectionManager转发的密钥事件并根据<code>MenuSelectionManager</code>更改菜单选项,方法是使用<code>MenuSelectionManager</code>的API。</span>
<p> <span>注意:您不必将事件转发到子组件。</span> <span>这是由<code>MenuSelectionManager</code></span> </p>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../javax/swing/MenuElement.html#processKeyEvent-java.awt.event.KeyEvent-javax.swing.MenuElement:A-javax.swing.MenuSelectionManager-">processKeyEvent</a></code>在界面
<code><a href="../../javax/swing/MenuElement.html" title="interface in javax.swing">MenuElement</a></code>
</dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>e</code> - a
<code>KeyEvent</code>
</dd>
<dd>
<code>path</code> -
<code>MenuElement</code>路径数组
</dd>
<dd>
<code>manager</code> -
<code>MenuSelectionManager</code>
</dd>
</dl> </li>
</ul> <a name="processMenuDragMouseEvent-javax.swing.event.MenuDragMouseEvent-">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>processMenuDragMouseEvent</h4> <pre>public void processMenuDragMouseEvent(<a href="../../javax/swing/event/MenuDragMouseEvent.html" title="class in javax.swing.event">MenuDragMouseEvent</a> e)</pre>
<div class="block">
在菜单中处理鼠标拖动。
</div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>e</code> - 一个
<code>MenuDragMouseEvent</code>对象
</dd>
</dl> </li>
</ul> <a name="processMenuKeyEvent-javax.swing.event.MenuKeyEvent-">
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<ul class="blockList">
<li class="blockList"> <h4>processMenuKeyEvent</h4> <pre>public void processMenuKeyEvent(<a href="../../javax/swing/event/MenuKeyEvent.html" title="class in javax.swing.event">MenuKeyEvent</a> e)</pre>
<div class="block">
在菜单中处理按键。
</div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>e</code> - 一个
<code>MenuKeyEvent</code>对象
</dd>
</dl> </li>
</ul> <a name="fireMenuDragMouseEntered-javax.swing.event.MenuDragMouseEvent-">
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<ul class="blockList">
<li class="blockList"> <h4>fireMenuDragMouseEntered</h4> <pre>protected void fireMenuDragMouseEntered(<a href="../../javax/swing/event/MenuDragMouseEvent.html" title="class in javax.swing.event">MenuDragMouseEvent</a> event)</pre>
<div class="block">
通知所有在此事件类型上通知有兴趣的听众。
</div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>event</code> - a
<code>MenuMouseDragEvent</code>
</dd>
<dt>
<span class="seeLabel">另请参见:</span>
</dt>
<dd>
<span><a href="../../javax/swing/event/EventListenerList.html" title="javax.swing.event中的类"><code>EventListenerList</code></a></span>
</dd>
</dl> </li>
</ul> <a name="fireMenuDragMouseExited-javax.swing.event.MenuDragMouseEvent-">
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<ul class="blockList">
<li class="blockList"> <h4>fireMenuDragMouseExited</h4> <pre>protected void fireMenuDragMouseExited(<a href="../../javax/swing/event/MenuDragMouseEvent.html" title="class in javax.swing.event">MenuDragMouseEvent</a> event)</pre>
<div class="block">
通知所有在此事件类型上通知有兴趣的听众。
</div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>event</code> - a
<code>MenuDragMouseEvent</code>
</dd>
<dt>
<span class="seeLabel">另请参见:</span>
</dt>
<dd>
<span><a href="../../javax/swing/event/EventListenerList.html" title="javax.swing.event中的类"><code>EventListenerList</code></a></span>
</dd>
</dl> </li>
</ul> <a name="fireMenuDragMouseDragged-javax.swing.event.MenuDragMouseEvent-">
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<ul class="blockList">
<li class="blockList"> <h4>fireMenuDragMouseDragged</h4> <pre>protected void fireMenuDragMouseDragged(<a href="../../javax/swing/event/MenuDragMouseEvent.html" title="class in javax.swing.event">MenuDragMouseEvent</a> event)</pre>
<div class="block">
通知所有在此事件类型上通知有兴趣的听众。
</div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>event</code> - a
<code>MenuDragMouseEvent</code>
</dd>
<dt>
<span class="seeLabel">另请参见:</span>
</dt>
<dd>
<span><a href="../../javax/swing/event/EventListenerList.html" title="javax.swing.event中的类"><code>EventListenerList</code></a></span>
</dd>
</dl> </li>
</ul> <a name="fireMenuDragMouseReleased-javax.swing.event.MenuDragMouseEvent-">
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<ul class="blockList">
<li class="blockList"> <h4>fireMenuDragMouseReleased</h4> <pre>protected void fireMenuDragMouseReleased(<a href="../../javax/swing/event/MenuDragMouseEvent.html" title="class in javax.swing.event">MenuDragMouseEvent</a> event)</pre>
<div class="block">
通知所有在此事件类型上通知有兴趣的听众。
</div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>event</code> - a
<code>MenuDragMouseEvent</code>
</dd>
<dt>
<span class="seeLabel">另请参见:</span>
</dt>
<dd>
<span><a href="../../javax/swing/event/EventListenerList.html" title="javax.swing.event中的类"><code>EventListenerList</code></a></span>
</dd>
</dl> </li>
</ul> <a name="fireMenuKeyPressed-javax.swing.event.MenuKeyEvent-">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>fireMenuKeyPressed</h4> <pre>protected void fireMenuKeyPressed(<a href="../../javax/swing/event/MenuKeyEvent.html" title="class in javax.swing.event">MenuKeyEvent</a> event)</pre>
<div class="block">
通知所有在此事件类型上通知有兴趣的听众。
</div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>event</code> - a
<code>MenuKeyEvent</code>
</dd>
<dt>
<span class="seeLabel">另请参见:</span>
</dt>
<dd>
<span><a href="../../javax/swing/event/EventListenerList.html" title="javax.swing.event中的类"><code>EventListenerList</code></a></span>
</dd>
</dl> </li>
</ul> <a name="fireMenuKeyReleased-javax.swing.event.MenuKeyEvent-">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>fireMenuKeyReleased</h4> <pre>protected void fireMenuKeyReleased(<a href="../../javax/swing/event/MenuKeyEvent.html" title="class in javax.swing.event">MenuKeyEvent</a> event)</pre>
<div class="block">
通知所有在此事件类型上通知有兴趣的听众。
</div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>event</code> - a
<code>MenuKeyEvent</code>
</dd>
<dt>
<span class="seeLabel">另请参见:</span>
</dt>
<dd>
<span><a href="../../javax/swing/event/EventListenerList.html" title="javax.swing.event中的类"><code>EventListenerList</code></a></span>
</dd>
</dl> </li>
</ul> <a name="fireMenuKeyTyped-javax.swing.event.MenuKeyEvent-">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>fireMenuKeyTyped</h4> <pre>protected void fireMenuKeyTyped(<a href="../../javax/swing/event/MenuKeyEvent.html" title="class in javax.swing.event">MenuKeyEvent</a> event)</pre>
<div class="block">
通知所有在此事件类型上通知有兴趣的听众。
</div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>event</code> - a
<code>MenuKeyEvent</code>
</dd>
<dt>
<span class="seeLabel">另请参见:</span>
</dt>
<dd>
<span><a href="../../javax/swing/event/EventListenerList.html" title="javax.swing.event中的类"><code>EventListenerList</code></a></span>
</dd>
</dl> </li>
</ul> <a name="menuSelectionChanged-boolean-">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>menuSelectionChanged</h4> <pre>public void menuSelectionChanged(boolean isIncluded)</pre>
<div class="block">
<code>MenuSelectionManager</code>
<code>MenuElement</code>被选中或未选择时调用。
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../javax/swing/MenuElement.html#menuSelectionChanged-boolean-">menuSelectionChanged</a></code>中的
<code><a href="../../javax/swing/MenuElement.html" title="interface in javax.swing">MenuElement</a></code>
</dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>isIncluded</code> - 如果此菜单项位于更改的菜单路径部分则为true如果此菜单是更改的菜单路径的一部分则为false但该路径的该特定部分仍然相同
</dd>
<dt>
<span class="seeLabel">另请参见:</span>
</dt>
<dd>
<a href="../../javax/swing/MenuSelectionManager.html#setSelectedPath-javax.swing.MenuElement:A-"><code>MenuSelectionManager.setSelectedPath(MenuElement[])</code></a>
</dd>
</dl> </li>
</ul> <a name="getSubElements--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>getSubElements</h4> <pre>public <a href="../../javax/swing/MenuElement.html" title="interface in javax.swing">MenuElement</a>[] getSubElements()</pre>
<div class="block">
此方法返回一个包含此菜单组件的子菜单组件的数组。
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../javax/swing/MenuElement.html#getSubElements--">getSubElements</a></code>在界面
<code><a href="../../javax/swing/MenuElement.html" title="interface in javax.swing">MenuElement</a></code>
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
一个
<code>MenuElement</code>的阵列
</dd>
</dl> </li>
</ul> <a name="getComponent--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>getComponent</h4> <pre>public <a href="../../java/awt/Component.html" title="class in java.awt">Component</a> getComponent()</pre>
<div class="block">
<span>返回用于绘制此对象的<code>java.awt.Component</code></span>
<span>返回的组件将用于转换事件并检测事件是否在菜单组件内。</span>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../javax/swing/MenuElement.html#getComponent--">getComponent</a></code>中的
<code><a href="../../javax/swing/MenuElement.html" title="interface in javax.swing">MenuElement</a></code>
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
绘制此菜单项的
<code>Component</code>
</dd>
</dl> </li>
</ul> <a name="addMenuDragMouseListener-javax.swing.event.MenuDragMouseListener-">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>addMenuDragMouseListener</h4> <pre>public void addMenuDragMouseListener(<a href="../../javax/swing/event/MenuDragMouseListener.html" title="interface in javax.swing.event">MenuDragMouseListener</a> l)</pre>
<div class="block">
在菜单项中添加一个
<code>MenuDragMouseListener</code>
</div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>l</code> - 要加入的
<code>MenuDragMouseListener</code>
</dd>
</dl> </li>
</ul> <a name="removeMenuDragMouseListener-javax.swing.event.MenuDragMouseListener-">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>removeMenuDragMouseListener</h4> <pre>public void removeMenuDragMouseListener(<a href="../../javax/swing/event/MenuDragMouseListener.html" title="interface in javax.swing.event">MenuDragMouseListener</a> l)</pre>
<div class="block">
从菜单项中删除
<code>MenuDragMouseListener</code>
</div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>l</code> - 要删除的
<code>MenuDragMouseListener</code>
</dd>
</dl> </li>
</ul> <a name="getMenuDragMouseListeners--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>getMenuDragMouseListeners</h4> <pre>public <a href="../../javax/swing/event/MenuDragMouseListener.html" title="interface in javax.swing.event">MenuDragMouseListener</a>[] getMenuDragMouseListeners()</pre>
<div class="block">
返回使用addMenuDragMouseListener添加到此JMenuItem的所有
<code>MenuDragMouseListener</code>的数组。
</div>
<dl>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
添加了所有
<code>MenuDragMouseListener</code>如果没有添加侦听器,则为空数组
</dd>
<dt>
<span class="simpleTagLabel">从以下版本开始:</span>
</dt>
<dd>
1.4
</dd>
</dl> </li>
</ul> <a name="addMenuKeyListener-javax.swing.event.MenuKeyListener-">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>addMenuKeyListener</h4> <pre>public void addMenuKeyListener(<a href="../../javax/swing/event/MenuKeyListener.html" title="interface in javax.swing.event">MenuKeyListener</a> l)</pre>
<div class="block">
在菜单项中添加一个
<code>MenuKeyListener</code>
</div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>l</code> - 要加入的
<code>MenuKeyListener</code>
</dd>
</dl> </li>
</ul> <a name="removeMenuKeyListener-javax.swing.event.MenuKeyListener-">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>removeMenuKeyListener</h4> <pre>public void removeMenuKeyListener(<a href="../../javax/swing/event/MenuKeyListener.html" title="interface in javax.swing.event">MenuKeyListener</a> l)</pre>
<div class="block">
从菜单项中删除一个
<code>MenuKeyListener</code>
</div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>l</code> - 要删除的
<code>MenuKeyListener</code>
</dd>
</dl> </li>
</ul> <a name="getMenuKeyListeners--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>getMenuKeyListeners</h4> <pre>public <a href="../../javax/swing/event/MenuKeyListener.html" title="interface in javax.swing.event">MenuKeyListener</a>[] getMenuKeyListeners()</pre>
<div class="block">
返回使用addMenuKeyListener添加到此JMenuItem的所有
<code>MenuKeyListener</code>的数组。
</div>
<dl>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
添加了所有
<code>MenuKeyListener</code>或者如果没有添加任何监听器,则为空数组
</dd>
<dt>
<span class="simpleTagLabel">从以下版本开始:</span>
</dt>
<dd>
1.4
</dd>
</dl> </li>
</ul> <a name="paramString--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>paramString</h4> <pre>protected <a href="../../java/lang/String.html" title="class in java.lang">String</a> paramString()</pre>
<div class="block">
<span>返回此<code>JMenuItem</code>的字符串表示<code>JMenuItem</code></span>
<span>该方法仅用于调试目的,并且返回的字符串的内容和格式可能因实现而异。</span>
<span>返回的字符串可能为空,但可能不是<code>null</code></span>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">重写:</span>
</dt>
<dd>
<code><a href="../../javax/swing/AbstractButton.html#paramString--">paramString</a></code>
<code><a href="../../javax/swing/AbstractButton.html" title="class in javax.swing">AbstractButton</a></code>
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
这个
<code>JMenuItem</code>的字符串表示
<code>JMenuItem</code>
</dd>
</dl> </li>
</ul> <a name="getAccessibleContext--">
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<ul class="blockListLast">
<li class="blockList"> <h4>getAccessibleContext</h4> <pre>public <a href="../../javax/accessibility/AccessibleContext.html" title="class in javax.accessibility">AccessibleContext</a> getAccessibleContext()</pre>
<div class="block">
<span>返回<code>AccessibleContext</code>与此相关<code>JMenuItem</code></span>
<span><code>JMenuItem</code> s时 <code>AccessibleContext</code>需要一个的形式<code>AccessibleJMenuItem</code></span>
<span>如有必要将创建一个新的AccessibleJMenuItme实例。</span>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../javax/accessibility/Accessible.html#getAccessibleContext--">getAccessibleContext</a></code>中的
<code><a href="../../javax/accessibility/Accessible.html" title="interface in javax.accessibility">Accessible</a></code>
</dd>
<dt>
<span class="overrideSpecifyLabel">重写:</span>
</dt>
<dd>
<code><a href="../../java/awt/Component.html#getAccessibleContext--">getAccessibleContext</a></code>
<code><a href="../../java/awt/Component.html" title="class in java.awt">Component</a></code>
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
一个
<code>AccessibleJMenuItem</code> ,作为这个
<code>AccessibleContext</code>
<code>JMenuItem</code>
</dd>
</dl> </li>
</ul> </li>
</ul> </li>
</ul>
</div>
</div>