Flex 中点击Tree 获取点中的值

发布时间：2020-12-15 04:42:09 所属栏目：百科来源：网络整理

导读：? xml ? version = "1.0" ? encoding = "utf-8" ? ? mx:Application ? xmlns:mx = "http://www.adobe.com/2006/mxml" ? layout = "absolute" ? ????? width = "239" ? height = "218" ? ???? mx:Style ? ????????Alert{? ????????????font-size:12px;? ?????

<?xml?version="1.0"?encoding="utf-8"?>?
<mx:Application?xmlns:mx="http://www.adobe.com/2006/mxml"?layout="absolute"?
?????width="239"?height="218">?
????<mx:Style>?
????????Alert{?
????????????font-size:12px;?
????????}?
????</mx:Style>?
????<mx:Tree?x="52.5"?y="10"?height="171"?width="134"?id="tree"?labelField="@label"?
?????????change="tree_change(event)"?fontSize="12">?
????????<mx:dataProvider>?
????????????<mx:XMLList>?
????????????????<province?label="广东省">?
????????????????????<city?label="广州市"/>?
????????????????????<city?label="深圳市"/>?
????????????????</province>?
????????????????<province?label="湖北省">?
????????????????????<city?label="武汉市"/>?
????????????????????<city?label="襄樊市"/>?
????????????????</province>?
????????????</mx:XMLList>?
????????</mx:dataProvider>?
????</mx:Tree>?
????<mx:Script>?
????????<![CDATA[?
????????????import?mx.controls.Alert;?
????????????private?function?tree_change(event:Event):void{?
????????????????var?str:String=tree.selectedItem.@label;?
????????????????Alert.show(str);?
????????????}?
????????]]>?
????</mx:Script>?
</mx:Application>

（编辑：李大同）

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