总结flex各种用法实例

 

//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

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

 

<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>";

<mx:Label x="524" y="393" text="Hellollll" id="lblLink" rollOver="focusManager.deactivate()" color="blue" opaqueBackground="#ffffff"

 

rollOut="focusManager.activate()" styleName="Label"

 

creationComplete="link()"/>

.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";

 

}

 

}

 

 

 

<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);

}

//设置AdvancedDataGrid的表头竖线为空

headerSortSeparatorSkin="mx.skins.ProgrammaticSkin"

//获得鼠标坐标

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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