在Repeater 控件中使用RadioButton.

示例：

代码：

<? xml version="1.0" encoding="utf-8" ?>
<!--  http://blog.flexexamples.com/2008/05/28/displaying-radiobutton-controls-using-the-repeater-in-flex/  -->
< mx:Application  xmlns:mx ="http://www.adobe.com/2006/mxml"
        layout ="vertical"
        verticalAlign ="middle"
        backgroundColor ="white" >

     < mx:Style >
        Alert {
            backgroundAlpha: 0.8;
            backgroundColor: black;
            borderAlpha: 0.8;
            borderColor: black;
        }
     </ mx:Style >

     < mx:Script >
         <![CDATA[
            import mx.controls.Alert;
            import mx.controls.RadioButton;

            private function radioButton_change(evt:Event):void {
                var radio:RadioButton = RadioButton(evt.currentTarget);
                var item:Object = radio.getRepeaterItem();
                var cssObj:CSSStyleDeclaration;
                cssObj = StyleManager.getStyleDeclaration("Alert");
                cssObj.setStyle("modalTransparencyColor", item.data);
                cssObj.setStyle("themeColor", item.data);
                Alert.show(item.label, "getRepeaterItem()");
            }
         ]]>
     </ mx:Script >

     < mx:Array  id ="arr" >
         < mx:Object  label ="Red"  data ="red"   />
         < mx:Object  label ="Orange"  data ="haloOrange"   />
         < mx:Object  label ="Yellow"  data ="yellow"   />
         < mx:Object  label ="Green"  data ="haloGreen"   />
         < mx:Object  label ="Blue"  data ="haloBlue"   />
     </ mx:Array >

     < mx:ApplicationControlBar  dock ="true" >
         < mx:Form  styleName ="plain" >
             < mx:FormItem  label ="selectedValue:" >
                 < mx:Label  text =" {radioGroup.selectedValue} "   />
             </ mx:FormItem >
         </ mx:Form >
     </ mx:ApplicationControlBar >

     < mx:HBox  id ="hb"  horizontalGap ="60" >
         < mx:RadioButtonGroup  id ="radioGroup"   />
         < mx:Repeater  id ="radioRepeater"
                dataProvider =" {arr} " >
             < mx:RadioButton  id ="radioButtons"
                    label =" {radioRepeater.currentItem.label} "
                    group =" {radioGroup} "
                    change ="radioButton_change(event);"   />
         </ mx:Repeater >
     </ mx:HBox >

</ mx:Application >