Flex用JSON处理返回的数据
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<?xml version="1.0" encoding="utf-8"?> <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" xmlns="*" layout="absolute" creationComplete="service.send()"> <mx:Script> <![CDATA[ import mx.collections.ArrayCollection; import mx.rpc.events.ResultEvent; import com.adobe.serialization.json.JSON; private function onJSONLoad(event:ResultEvent):void { //get the raw JSON data and cast to String var rawData:String = String(event.result); //decode the data to ActionScript using the JSON API //in this case, the JSON data is a serialize Array of Objects. var arr:Array = (JSON.decode(rawData) as Array); //create a new ArrayCollection passing the de-serialized Array //ArrayCollections work better as DataProviders, as they can //be watched for changes. var dp:ArrayCollection = new ArrayCollection(arr); //pass the ArrayCollection to the DataGrid as its dataProvider. grid.dataProvider = dp; } ]]> </mx:Script> <mx:HTTPService id="service" resultFormat="text" url="http://weblogs.macromedia.com/mesh/mashedpotato.json" result="onJSONLoad(event)" /> <mx:DataGrid id="grid" right="10" left="10" top="10" bottom="10"> <mx:columns> <mx:DataGridColumn headerText="Service" dataField="src"/> <mx:DataGridColumn headerText="Title" dataField="title"/> </mx:columns> </mx:DataGrid> </mx:Application> 又或
private function onJSONResult( event:ResultEvent ) : void {var data:String = event.result.toString();data = data.replace( /\s/g, '' );var jd:JSONDecoder = new JSONDecoder( data );dg.dataProvider = jd.getValue();}??