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Flex制作导航菜单

文章来源于：http://blog.sina.com.cn/s/blog_551f08ce0100c3eg.html

代码如下:

<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute" verticalAlign="middle">
    <mx:Script>
        <![CDATA[
        import mx.events.MenuEvent;
        private function menuClickHandle(e:MenuEvent):void {
            if (e.label == "menu1")
                currentState = "index1";
            else if (e.label == "childmenu1")
                currentState = "index2";
            else if (e.label == "childmenu2")
                    currentState = "index3";
                else if (e.label == "childmenu3")
                        currentState = "index4";
                    else if (e.label == "childmenu4")
                            currentState = "index5";
                        else if (e.label == "childmenu5")
                                currentState = "index6";
                                    }
        ]]>
    </mx:Script>
    <!--定义切换效果-->
    <mx:transitions>
        <!--可以重复-->
        <mx:Transition id="myTransition1" fromState="*" toState="index1">
            <mx:Parallel target="{myVBox1}">
                <mx:WipeDown duration="2000"/>
                <mx:Dissolve alphaFrom="0.0" alphaTo="1.0" duration="2000"/>
            </mx:Parallel>
        </mx:Transition>

    </mx:transitions>
    <mx:states>
        <!--可以重复-->
        <mx:State name="index1"> <!--新建“index1”状态-->
            <mx:AddChild position="lastChild">
                <!--添加VBox组件，组件颜色为“#FFFFFF”，透明度为0.5-->
                <mx:VBox id="myVBox1" x="{myMenuBar.x}" y="{myMenuBar.y+myMenuBar.height}" width="{myMenuBar.width}"
                         height="248" backgroundColor="#FFFFFF" backgroundAlpha="0.5">
                </mx:VBox>
            </mx:AddChild>
        </mx:State>
        <mx:State name="index2">                    <!--新建“index2”状态-->
            <mx:AddChild position="lastChild">
                <!--添加VBox组件，组件颜色为“#F5E531”，透明度为0.5-->
                <mx:VBox id="myVBox2" x="{myMenuBar.x}" y="{myMenuBar.y+myMenuBar.height}" width="{myMenuBar.width}"
                         height="248" backgroundColor="#F5E531" backgroundAlpha="0.5">
                </mx:VBox>
            </mx:AddChild>
        </mx:State>
    </mx:states>
    <mx:XMLList id="myXMLList">
        <menuitem id="menu1"/>
        <menuitem id="menu2">
            <menuitem id="childmenu1" type="radio" groupName="one"/>
            <menuitem id="childmenu2" type="radio" groupName="one"/>
        </menuitem>
        <menuitem id="menu3">
            <menuitem id="childmenu3" type="radio" groupName="two"/>
            <menuitem id="childmenu4" type="radio" groupName="two"/>
            <menuitem id="childmenu5" type="radio" groupName="two"/>
        </menuitem>
    </mx:XMLList>
    <mx:MenuBar id="myMenuBar" dataProvider="{myXMLList}" labelField="@id" showRoot="false" width="560"
                horizontalCenter="0" y="24" change="menuClickHandle(event)" fontSize="12"/>
</mx:Application>