源代码如下:
<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
layout="absolute" backgroundGradientColors="[#ffffff, #ffffff]" width="225" height="379">
<mx:Script>
<![CDATA[
import mx.collections.ArrayCollection;
public function addToLesson():void
{
if(lesson.dataProvider == null)
{
lesson.dataProvider = new ArrayCollection();
}
lesson.dataProvider.addItem(lessoncomb.selectedItem.label+": "
+ lessoncomb.selectedItem.data);
}
public function reSet():void
{
lesson.dataProvider = null;
}
]]>
</mx:Script>
<mx:Array id="lessonArray">
<mx:Object label="电子商务案例分析" data="甲教授"/>
<mx:Object label="企业业务流程管理" data="乙教授"/>
<mx:Object label="企业资源计划(ERP)" data="丙教授"/>
</mx:Array>
<mx:Panel title="选课程序" width="213" height="350" x="6" y="10">
<mx:Label text="课程列表"/>
<mx:ComboBox id="lessoncomb" dataProvider="{lessonArray}"/>
<mx:Text id="lessontex" text="{lessoncomb.selectedItem.data}"/>
<mx:Button label="选择" click="addToLesson()"/>
<mx:Button label="重置" click="reSet()"/>
<mx:List id="lesson"/>
</mx:Panel>
</mx:Application>
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