效果见图

初始化界面

输入“设置”，进行搜索、匹配后界面

下面是代码 <?xml version="1.0" encoding="utf-8"?> <s:Application xmlns:fx="http://ns.adobe.com/mxml/2009" xmlns:s="library://ns.adobe.com/flex/spark" xmlns:mx="library://ns.adobe.com/flex/mx" minWidth="955" minHeight="600" creationComplete="init(event)"> <fx:Script> <![CDATA[ import mx.events.FlexEvent; import mx.utils.StringUtil; import spark.events.TextOperationEvent;

public var rawList:XML =             
                  
                  
                   
                   
                 
                ;             [Bindable]        public var rawListShow:XML = null;  //搜索过滤后的数据        protected function init(event:FlexEvent):void        {            getData();        }        protected function textinput1_changeHandler(event:TextOperationEvent):void        {            getData();        }        //初始化数据        private function getData():void{            if(StringUtil.trim(textInput.text) == ""){                rawListShow = rawList ;            }else{                createNewXml(textInput.text,rawList);            }            /* 打开或关闭指定项目下的所有树项目。如果设置 dataProvider 之后立即调用 expandChildrenOf()，            则您可能看不到正确的行为。您应该等待对组件进行验证或调用 validateNow() 方法 */            tree1.validateNow();            expandtree();        }        //搜索过滤后,生产新的xml        private function createNewXml(searchString:String, xml:XML):void{            rawListShow =
    ;            for(var i:int = 0; i
    
     -1){                return true;            }else{                return false;            }        }        //展开树        private function expandtree():void {            for each(var item:XML in this.tree1.dataProvider)            this.tree1.expandChildrenOf(item,true);        }    ]]>