flex通过httpService获取远程XML数据，并显示到DATAGIRD上-优快云博客

本文展示了一个使用Flex编写的程序实例，该程序通过HTTPService从XML文件中加载书籍信息，并将其显示在一个DataGrid组件中。代码实现了XML数据的解析及结果显示。

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mxml:

mXml代码

<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="vertical">
	<mx:Script>
		<![CDATA[
		import mx.collections.ArrayCollection;
		import mx.rpc.events.ResultEvent;
		import mx.utils.ObjectProxy;
		
		[Bindable]
		private var list:ArrayCollection=new ArrayCollection();
		
		private function resultHandler(event:ResultEvent):void {		
			if(event.result.store.book is ObjectProxy){
				list.removeAll();
				list.addItem(event.result.store.book);
			}
			else
				list=event.result.store.book;
				
			booksGrid.dataProvider=list;
		}
		
		]]>
	</mx:Script>
	<mx:HTTPService id="booksXML" url="data/book_store.xml" showBusyCursor="true" result="resultHandler(event)"/>
	
	<mx:Button label="读取资料" click="this.booksXML.send()"/>
	<mx:DataGrid id="booksGrid" width="600" height="400">
		<mx:columns>
			<mx:DataGridColumn headerText="编号" dataField="id" width="30"/>
			<mx:DataGridColumn headerText="书名" dataField="bookname"/>
			<mx:DataGridColumn headerText="分类" dataField="category" width="80"/>
			<mx:DataGridColumn headerText="售价" dataField="sprice" width="60"/>
			<mx:DataGridColumn headerText="特价" dataField="sale" width="60"/>
		</mx:columns>
	</mx:DataGrid>
</mx:Application>

xml:

<?xml version="1.0" encoding="utf-8"?> <store> <store_title>我的书店</store_title> <store_telephone>222222</store_telephone> <store_address>ttttttttt</store_address> <book id="1" category="Web 开发"> <bookname>Getting Start with Flex</bookname> <sprice>49.9</sprice> <sale>45.9</sale> </book> </store>