FLEX/SELECTBOX

下拉菜单赋值

[Bindable]

private var subjectDataProvider:ArrayCollection = new ArrayCollection([
{label:"Standard",data:1},
{label:"Clock",data:2}

]) 

<mx:HBox width="100%" height="100%">
<mx:ComboBox id="subject" width="150" labelField="label" dataProvider="{subjectDataProvider}"  prompt="" />
</mx:HBox>

取出ArrayCollection中某字段的值

 tempList = httpData.getDataToArrayCollection("TEMP_LIST");

 save_interval.text = tempList[0]["save_interval"];  //第一行的save_interval字段的值

下拉菜单根据指定的值被选中

subject.selectedindex = 1；