Flex 用法 【经典】 ---- 转
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//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);
//获得stage（工作区）的宽、高 Alert.show(stage.stageWidth+"=="+stage.stageHeight);
//读取xml文件 { 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(); }
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 <mx:DateChooser id="dtchoose" x="219" y="83" dayNames="[日,一,二,三,四,五,六]" monthNames="[一月,二月,三月,四月,五月,六月,七月,八月,九月,十月,十一月,十二月]" change="disDate()" minYear="2007"/> //选择日期 dateChoose function disDate():void{ txtDate.text=fm.format(dtchoose.selectedDate.toLocaleDateString()); }
//flex 中添加html标记 <mx:TextArea id="text" creationComplete="init()" width="248" height="59"> <mx:htmlText> <![CDATA[ <input type='file'/> <a href="http://www.baidu.com">你哈!!!</a> ]]> </mx:htmlText> </mx:TextArea>
//flex 带下划线的链接 this.lblLink.htmlText="<a href='http://www.google.com' target='_blank'>新 闻</a>"; rollOut="focusManager.activate()" styleName="Label" creationComplete="link()"/>
//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 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"; } }
<mx:Button x="62" y="80" label="Button" click="test()"/> <mx:Label x="62" y="37" text="Label" width="65" id="lbl"/>
//flex Combobox添加 –请选择- private function loadCB(){ var arr:Array=new Array("-请选择-"); for(var i:int=1;i<10;i++){ arr[i]=i; } this.cb.dataProvider=arr; }
//combobox 选择的值和下标 private function selected():void{ Alert.show(cb.selectedItem.toString()+"下标:"+cb.selectedIndex); } <mx:ComboBox x="194" y="80" id="cb" creationComplete="loadCB()" change="selected()">
//鼠标移动变大，Button加图片，变手型 <mx:Button x="72" y="80" label="Button" click="test()" mouseMove="changBig()" mouseOut="changSmall()" id="btn" height="52" icon="@Embed(source='img/3.jpg')" labelPlacement="bottom" width="67" useHandCursor="true" buttonMode="true"/>
private function changBig():void{ this.btn.scaleX=1.5; this.btn.scaleY=1.5 } private function changSmall():void{ this.btn.scaleX=1; this.btn.scaleY=1; }
//flex panel 拖动效果 <mx:Panel x="194" y="125" width="192" height="121" layout="absolute" id="panel" mouseDown="ondragStart(event)" mouseUp="ondragStop(event)"> </mx:Panel> private function ondragStart(event:MouseEvent):void{ Panel(event.target).startDrag(); } private function ondragStop(event:MouseEvent):void{ Panel(event.target).stopDrag(); }
//写入共享数据 share=SharedObject.getLocal("username"); share.data.userName=txtUser.text; share.flush();
//读取共享数据 var share:SharedObject=SharedObject.getLocal("username"); Alert.show(share.data.userName);
//jsp/html文件嵌入到flex中（需要把flexiframe.swc放在项目的flex_libs下）
Application标签内xmlns:code=http://code.google.com/p/flex-iframe/
<mx:HDividedBox x="0" y="10" width="100%" height="500"> <mx:Panel width="30%" height="500" layout="absolute">
</mx:Panel> <mx:Panel width="70%" height="500" layout="absolute"> <code:IFrame id="frm" source="file/万年历.html" height="100%" width="100%"/><!-这是最重要的-à </mx:Panel> </mx:HDividedBox>
//检查使用的操作系统 private function checkOS():void{ var os:String=Capabilities.os; tt.text="你的操作系统是:--"+os; }
//检查所使用的浏览器 private function checkPlay():void{ var play:String=Capabilities.playerType; Alert.show(play); if(play=="ActiveX"){ tt.text="你的浏览器是--IE"; }else if(play=="PlugIn"){ tt.text="你的浏览器是--Mozilla-Firefox"; }else{ tt.text="你的浏览器是--其他"; } }
//检查player的版本和使用的语言 private function other():void{ var v:String=Capabilities.version; var l:String=Capabilities.language; tt.text="你的flayer版本号：--"+v+ "\r\n你的语言是：--"+l; }
//改变鼠标样式 [Bindable] [Embed(source="img/157.jpg")] public var cur:Class; private function initCursor(event:Event){ CursorManager.setCursor(cur); }
headerSortSeparatorSkin="mx.skins.ProgrammaticSkin"
var cx:Number=CursorManager.currentCursorXOffset; var cy:Number=CursorManager.currentCursorYOffset; var id:int=CursorManager.currentCursorID; Alert.show("x:="+cx+"y:="+y+"id="+id);
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