flex各种用法

flex各种用法
2010年02月22日
　　//获得屏幕的分辨率   var x:Number=Capabilities.screenResolutionX;   var y:Number=Capabilities.screenResolutionY;   Alert.show("x="+x+"y="+y);   //第二种方法   Alert.show(stage.fullScreenWidth+"=="+stage.fullScreenHeight);   //在Flex中获取当前窗口的长度与宽度使用下面的方法：   var w = Application.application.width;   var h = Application.application.height;   //绝对定位TitleWindow   var myTitleWindow:MyTitleWindow= MyTitleWindow(PopUpManager.createPopUp(DisplayObject(Application.application),MyTitleWindow,true));   myTitleWindow.x = (w-myTitleWindow.width)/2;   myTitleWindow.y = 100;   //获得stage（工作区）的宽、高   Alert.show(stage.stageWidth+"=="+stage.stageHeight);   //读取xml文件   private function readxml2():void   {   var urlrequest:URLRequest=new URLRequest("file/stu.xml");   var urlloader:URLLoader=new URLLoader(urlrequest);   urlloader.addEventListener(Event.COMPLETE, completehandler);   }     private function completehandler(event:Event):void   {   var xml:XML=new XML(event.target.data);   // var arr:Array=new Array(xml);   this.dg.dataProvider=xml.children();   this.tree.dataProvider=xml;   this.cb.dataProvider=xml.children();   // this.hlist.dataProvider=xml.children();   }     //flex 获得系统路径   var add:String=ExternalInterface.call("window.location.href.toString",1);   Alert.show(add);     //背景颜色不断变化   private function changeBG():void{   var mytime:Timer=new Timer(2000);   mytime.addEventListener(TimerEvent.TIMER,changHandle);   mytime.start();   }   private function changHandle(e:TimerEvent):void{   this.setStyle("backgroundColor",Math.random()* 0xffffff);   }     //获得键盘按下的键的值   public function getCode():void   {   btn.addEventListener(KeyboardEvent.KEY_DOWN, keyHandle);   }     function keyHandle(event:KeyboardEvent):void   {   Alert.show("你按下了:" + String.fromCharCode(event.charCode));   }   //动态加载不同界面   import commont.Two;   import commont.One;   var t:Two=new Two();   var o:One=new One();   private function showOne():void{   tw.removeAllChildren();   tw.addChild(o);   }   private function showTwo():void{   tw.removeAllChildren();   tw.addChild(t);   }   //flex 绑定图片   [Bindable]   [Embed(source="img/1.jpg")]   public var phone1:Class;     //日期中文标题      //选择日期 dateChoose   function disDate():void{   txtDate.text=fm.format(dtchoose.selectedDate.toLocaleDateString());   }     //flex 中添加html标记            你哈!!!   ]]-->           //flex 带下划线的链接   this.lblLink.htmlText="新 闻";      .Label{text-roll-over-color:red; text-decoration:underline; background-color:green; font-size:12px; text-selected-color:red;}     //flex 转向 URL   Var url:URLRequest=new URLRequest(“http://www.google.cn”);   navigateToURL(url,”_self”);//在本页打开   navigateToURL(url,”_blank”);//在新的一页打开     //弹出对话框   ---------非模式打开---------   PopUpManager.createPopUp(this,类（界面）的名称);   ---------模式打开---------   var ep:Main=new Main ();   PopUpManager.addPopUp(ep,this,true);//界面，打开窗口父类，是否模式   PopUpManager.centerPopUp(ep);//在父类窗口居中     //-----Alert的用法   public function test():void   {   var glow:GlowFilter=new GlowFilter();   glow.color=StyleManager.getColorName("blue");//边框颜色   glow.strength=5;   glow.alpha=0.8;   var alert:Alert=Alert.show("是否选择","提示",Alert.YES|Alert.NO,this,alertHandle);   alert.filters=[glow];   }   private function alertHandle(event:CloseEvent):void{   if(event.detail==Alert.YES){   lbl.text="是";   }else{   lbl.text="否";   }   }             //flex Combobox添加