ComboBox用法绑定取值,注意第4条
1.定义后绑定[Bindable]
private var Field1:ArrayCollection=new ArrayCollection(
[{label:"省份",data:"Province"},
{label:"地区",data:"County"},
{label:"邮编",data:"Zipcode"},
{label:"区号",data:"Areacode"}]);
<mx:ComboBox id=”strField” width=”70″ dataProvider=”{Field1}”/>
2.直接绑定
<mx:ComboBox id=”strField” width=”70″>
<mx:dataProvider>
<mx:Array>
<mx:Object label=”省份” data=”Province”/>
<mx:Object label=”地区” data=”County”/>
<mx:Object label=”邮编” data=”Zipcode”/>
<mx:Object label=”区号” data=”Areacode”/>
</mx:Array>
</mx:dataProvider>
</mx:ComboBox>
3.改变ComboBox值变化
<mx:ComboBox dataProvider=”{cards}” width=”150″
close=”closeHandler(event);”/>
private function closeHandler(event:Event):void {
myLabel.text = “You selected: ” + ComboBox(event.target).selectedItem.label;
myData.text = “Data: ” + ComboBox(event.target).selectedItem.data;
}
4.查询的时候取值比如定义了第1条后 strField.value——–ID.value这个特别要注意。