学步园

一般有两种比较好的方式："States" and "viewStack"

<?xml version="1.0" encoding="utf-8"?><br /> <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" xmlns:view="view.*"<br /> creationComplete="initApp()" horizontalAlign="center" verticalAlign="middle"></p> <p> <mx:Style source="style.css" /></p> <p> <mx:Script><br /> <!--[CDATA[<br /> import flash.events.Event<br /> import mx.managers.CursorManager<br /> import model.ModelLocator</p> <p> import mx.controls.Alert</p> <p> private var instance:ModelLocator = ModelLocator.getInstance();</p> <p> internal function initApp():void{<br /> currentState="Login";</p> <p> instance.addEventListener(ModelLocator.LOGIN_OK,onLoginHandler)<br /> instance.addEventListener(ModelLocator.LOGIN_FAILED,onLoginFailHandler)<br /> }<br /> internal function onLoginHandler(evt:Event):void{<br /> currentState="Main";<br /> }<br /> internal function onLoginFailHandler(evt:Event):void{<br /> Alert.show("登陆失败，请重新输入！","密码错了!")<br /> }<br /> ]]--><br /> </mx:Script><br /> <mx:states><br /> <!-- login state --><br /> <mx:State name="Login"><br /> <mx:AddChild position="lastChild"><br /> <view:loginPanel id="loginPanel"/><br /> </mx:AddChild><br /> </mx:State></p> <p> <!-- Main state --><br /> <mx:State name="Main"><br /> <mx:AddChild position="lastChild"><br /> <view:main id="mainApp" /><br /> </mx:AddChild><br /> </mx:State><br /> </mx:states></p> <p> <mx:transitions><br /> <mx:Transition fromState="*" toState="*"><br /> <mx:Iris xFrom="10" targets="{[loginPanel, mainApp]}"/><br /> </mx:Transition><br /> </mx:transitions></p> <p> <mx:ApplicationControlBar dock="true" fillAlphas="[0.2, 0.7]" ><br /> <mx:Label text="名片管理" /><br /> <mx:Spacer width="100%" /><br /> <mx:Label id="txtWelcome" visible="false" /><br /> </mx:ApplicationControlBar> </p> <p></mx:Application>