flex_菜单栏使用浅析；

<?xml version="1.0" encoding="utf-8"?> <s:Application xmlns:fx="http://ns.adobe.com/mxml/2009" ?? ??? ??? ??? xmlns:s="library://ns.adobe.com/flex/spark" ?? ??? ??? ??? xmlns:mx="library://ns.adobe.com/flex/mx" ?? ??? ??? ??? minWidth="1024" minHeight="768" pageTitle="TheStudioOfCenyebao"> ?? ? ?? ?<!-- Demo_菜单栏示例 --> ?? ? ?? ?<fx:Script> ?? ??? ?<![CDATA[ ?? ??? ??? ?import mx.events.MenuEvent; ?? ??? ??? ? ?? ??? ??? ?[Bindable] ?? ??? ??? ?[Embed(source="public/img/user.png")] ?? ??? ??? ?public var userIcon:Class; ?? ??? ??? ? ?? ??? ??? ?protected function menuBar_itemClickHandler(event:MenuEvent):void ?? ??? ??? ?{ ?? ??? ??? ??? ?// 获取选择的菜单项： ?? ??? ??? ??? ?var menuItem:XML = XML(event.item); ?? ??? ??? ??? ? ?? ??? ??? ??? ?// 输出信息： ?? ??? ??? ??? ?menuLbl.text = "所选择菜单项：" + menuItem.@label + ",位置：" + event.index + ";"; ?? ??? ??? ?} ?? ??? ??? ? ?? ??? ?]]> ?? ?</fx:Script> ?? ?<fx:Declarations> ?? ??? ?<!-- 非可视元素 --> ?? ??? ?<s:XMLListCollection id="menuData"> ?? ??? ??? ?<fx:XMLList> ?? ??? ??? ??? ?<menuitem label="文件"> ?? ??? ??? ??? ??? ?<submenu label="新建"> ?? ??? ??? ??? ??? ??? ?<submenu label="请求" enabled="false"/> ?? ??? ??? ??? ??? ??? ?<submenu type="separator"/> ?? ??? ??? ??? ??? ??? ?<submenu label="项目"/> ?? ??? ??? ??? ??? ??? ?<submenu label="角色" icon="userIcon"> ?? ??? ??? ??? ??? ??? ??? ?<submenu label="Customer" type="radio" groupName="persons"/> ?? ??? ??? ??? ??? ??? ??? ?<submenu label="Employee" type="radio" groupName="persons" toggled="true"/> ?? ??? ??? ??? ??? ??? ?</submenu> ?? ??? ??? ??? ??? ??? ?<submenu label="Auto Update" type="check" toggled="true"/> ?? ??? ??? ??? ??? ?</submenu> ?? ??? ??? ??? ??? ?<submenu label="打印"/> ?? ??? ??? ??? ?</menuitem> ?? ??? ??? ??? ?<menuitem label="视图"> ?? ??? ??? ??? ??? ?<submenu label="用户"/> ?? ??? ??? ??? ??? ?<submenu label="报告"/> ?? ??? ??? ??? ?</menuitem> ?? ??? ??? ?</fx:XMLList> ?? ??? ?</s:XMLListCollection> ?? ?</fx:Declarations> ?? ? ?? ?<!--view--> ?? ?<s:VGroup verticalCenter="0" horizontalCenter="0"> ?? ??? ?<s:Label id="menuLbl" text="菜单栏" fontWeight="bold" fontSize="18"/> ?? ??? ?<mx:MenuBar id="menuBar" dataProvider="{menuData}" labelField="@label" iconField="@icon" ?? ??? ??? ??? ??? ?itemClick="menuBar_itemClickHandler(event)"/> ?? ?</s:VGroup> ?? ? </s:Application>