Flex 弹出窗口的例子

<? xml version="1.0" encoding="utf-8" ?>
< mx:TitleWindow  xmlns:mx ="http://www.adobe.com/2006/mxml"  
 layout ="absolute"  width ="310"  height ="184"  title ="Login"  
 cornerRadius ="3"   showCloseButton ="true"  close ="Close()"
 creationComplete ="Init()" >
  < mx:Script >
      <![CDATA[
         import mx.managers.PopUpManager;
         import mx.containers.TitleWindow;
        import flash.events.*;
        import mx.managers.PopUpManager;
        import mx.controls.Button;
        import mx.core.IFlexDisplayObject;
        
        public static var login:Login = new Login();

        public static function ShowDialog(parent:DisplayObject):void {
            PopUpManager.addPopUp(login, parent, true);
        }
            
         private function Init():void{
             this.x = this.parent.width / 2 - this.width / 2    ;
             this.y = this.parent.height / 2 - this.height / 2;
         }         
         private function Close():void{
             PopUpManager.removePopUp(this);
         }
      ]]>
  </ mx:Script >
     < mx:Label  x ="10"  y ="38"  text ="User Name" />
     < mx:Label  x ="10"  y ="64"  text ="Password" />
     < mx:TextInput  x ="87"  y ="36" />
     < mx:TextInput  x ="87"  y ="62" />
     < mx:Label  x ="10"  y ="10"  text ="Please input your user name and password" />
     < mx:ControlBar  height ="40"  y ="114" >
         < mx:Spacer  width ="100%" />
         < mx:Button  label ="Login" />
         < mx:Button  label ="Cancel"  click ="PopUpManager.removePopUp(this);" />
     </ mx:ControlBar >
</ mx:TitleWindow >

调用 Login.ShowDialog(this);