Flex中如何通过监听itemClick事件检测FlexRadioButtonGroup中RadioButton被点击的例子

By Minidxer | June 22, 2008

接下来的例子演示了Flex中如何通过监听itemClick事件，检测FlexRadioButtonGroup中RadioButton被点击。

让我们先来看一下Demo（可以右键View Source或点击这里察看源代码）：


下面是完整代码(或点击这里察看)：

Download: main.mxml
  1. <?xml version="1.0" encoding="utf-8"?>
  2. <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
  3.         layout="vertical"
  4.         verticalAlign="middle"
  5.         backgroundColor="white">
  6.  
  7.     <mx:Script>
  8.         <![CDATA[
  9.             import mx.events.ItemClickEvent;
  10.  
  11.             private function radioGroup_itemClick(evt:ItemClickEvent):void {
  12.                 var now:String = new Date().toTimeString();
  13.                 lbl.text = evt.label + " (" + now + ")";
  14.             }
  15.         ]]>
  16.     </mx:Script>
  17.  
  18.     <mx:ApplicationControlBar dock="true">
  19.         <mx:Label id="lbl" fontWeight="bold" />
  20.     </mx:ApplicationControlBar>
  21.  
  22.     <mx:RadioButtonGroup id="radioGroup"
  23.             itemClick="radioGroup_itemClick(event);" />
  24.  
  25.     <mx:VBox>
  26.         <mx:RadioButton id="radioButton1"
  27.                 label="Red"
  28.                 group="{radioGroup}" />
  29.         <mx:RadioButton id="radioButton2"
  30.                 label="Orange"
  31.                 group="{radioGroup}" />
  32.         <mx:RadioButton id="radioButton3"
  33.                 label="Yellow"
  34.                 group="{radioGroup}" />
  35.         <mx:RadioButton id="radioButton4"
  36.                 label="Green"
  37.                 group="{radioGroup}" />
  38.         <mx:RadioButton id="radioButton5"
  39.                 label="Blue"
  40.                 group="{radioGroup}" />
  41.     </mx:VBox>
  42.  
  43. </mx:Application>
代码：Peter deHaan 翻译/整理/编译：minidxer

Topics: Flex | Tags: , ,

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