性别选择标签RadioButton的使用
?一个RadioButton运用的例子，包含对标签的空值验证
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<?xml version="1.0" encoding="utf-8"?><mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute" verticalAlign="middle" backgroundColor="white" xmlns:ns1="*"> <mx:Script> <![CDATA[ private var sexChang:String; import mx.controls.Alert; private function rb_change(evt:Event):void { var rb:RadioButton = evt.currentTarget as RadioButton; sexChang= rb.label; } private function kk():void{ textInput.text=sexChang; } ]]> </mx:Script> <mx:Validator id="sexV" source="{sexRBG}" property="selectedValue" requiredFieldError="必须选择性别！" trigger="{btnRegister}" triggerEvent="click" listener="{maleRB}" /> <mx:FormItem label="性 别：" direction="horizontal" width="177" x="270" y="326"> <mx:RadioButtonGroup id="sexRBG"/> <mx:RadioButton x="10" id="maleRB" groupName="sexRBG" label="男" value="1" change="rb_change(event)"/> <mx:RadioButton id="femaleRB" groupName="sexRBG" label="女" value="0" change="rb_change(event)"/> </mx:FormItem> <mx:Button id="btnRegister" fontWeight="bold" click="kk()" x="294" y="373" width="88" height="45" label="选择性别" fontSize="13"/> <mx:TextInput x="270" y="266" id="textInput"/> </mx:Application>?