WebService返回xml，转换成Array，绑定DataGrid

dee.mxml

<? xml version = " 1.0 "  encoding = " utf-8 " ?>
< mx:Application xmlns:mx = " http://www.adobe.com/2006/mxml "  layout = " vertical "  creationComplete = " AvitHandle() " >
     < mx:Script >
         <! [CDATA[
            import mx.rpc.events.FaultEvent;
            import mx.rpc.soap.WebService;
            import mx.rpc.events.ResultEvent;    
            import mx.controls.Alert;
            
             public  function AvitHandle(): void
            {
                var web:WebService  =   new  WebService();
                web.wsdl  =   " http://localhost:2250/flex%203.0%20asp.net%20test/WebServiceTest.asmx?wsdl " ;
                 // 必须调用loadwsdl方法下载ws说明文件，否则即使调用webservice的方法也是没有反应的
                web.loadWSDL();
                 // 添加成功调用侦听
                web.addEventListener(ResultEvent.RESULT,wsHandle);
                 // 添加错误调用侦听
                web.addEventListener(FaultEvent.FAULT, fault);
                web.Readxml.send();
            }
            
             // 成功调用处理函数
             public  function wsHandle(e:ResultEvent): void
            {
                 // ddd.text = e.result as String;    
                var menus:XML  =  XML(e.result  as  String);
                var results:XMLList  =  menus.children();
                                
                var array:Array  =  ElementToAttr(results);
                
                DataGrid1.dataProvider  =  array;
            }
            
             /* 将如下类型的xml转换成array，以便可以作为DataProvider给DataGrid,Tree等组件绑定数据        
            <?xml version="1.0" encoding="utf-8" ?> 
            <Items>
                <Item>
                <name>nam1</name> 
                  <grender>boy</grender> 
                  <from>guangxi</from> 
                  </Item>
                <Item>
                  <name>nam2</name> 
                  <grender>boy</grender>
                  <from>shanghai</from>
                </Item>
            </Items>
             */
             public  function ElementToAttr(results:XMLList):Array
            {
                var array:Array = new  Array();
                 for  each(var child:XML  in  results){
                    var obj:Object = new  Object();
                    
                    obj[child.nodeKind()] = child[child.nodeKind()];
                     for  each(var ite:XML  in  child.children()){
                        obj[ite.name().toString()] = child[ite.name().toString()];
                    }
                    
                     /*
                    obj["name"]=child.name;
                    obj["grender"]=child.grender;
                    obj["from"]=child.from;
                     */
                    
                    array.push(obj);                    
               }
                return  array;
            }
            
             // 错误处理函数
             public  function fault(e:FaultEvent): void
            {
                Alert.show(e.fault.faultString, ' Error ' )
            }
        ]] >
     </ mx:Script >
     < mx:Label text = " Label "  id = " ddd "  fontSize = " 12 " />
     < mx:DataGrid id = " DataGrid1 " >
         < mx:columns >
             < mx:DataGridColumn headerText = " 姓名 "  dataField = " name " />
             < mx:DataGridColumn headerText = " 性别 "  dataField = " grender " />
             < mx:DataGridColumn headerText = " 籍贯 "  dataField = " from " />
         </ mx:columns >
     </ mx:DataGrid >
</ mx:Application >

WebService方法

    [WebMethod]
     public   string  Readxml()
    {
         string  str;
        str  =   " <?xml version=\ " 1.0 \ "  encoding=\ " utf - 8 \ "  ?> " ;
        str  +=   " <Items> " ;

         for  ( int  i  =   1 ; i  <   10 ; i ++ )
        {
            str  +=   " <Item> " ;
            str  +=   " <name>nam " +  i  + " </name> " ;
            str  +=   " <grender>boy "   +  i  +   " </grender> " ;
            str  +=   " <from>shanghai "   +  i  +   " </from> " ;
            str  +=   " </Item> " ;
        }

        str  +=   " </Items> " ;

        XmlDocument dcxml  =   new  XmlDocument();
        dcxml.LoadXml(str);

         return  str;
    }