获取并显示数据

用一个简单的Blog Reader为例展示采用HTTPServices获取并显示数据。

 

<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute"
    creationComplete="feedRequest.send()">
    
    <mx:HTTPService
        id="feedRequest"
        url="http://weblogs.macromedia.com/mchotin/index.xml"
        useProxy="false">
        
    </mx:HTTPService>
    
    
    <mx:Panel x="10" y="10" width="475" height="400" layout="absolute" 
        title="{feedRequest.lastResult.rss.channel.title}">
        <mx:DataGrid x="20" y="20" width="400" id="dgPosts"
             dataProvider="{feedRequest.lastResult.rss.channel.item}">
            <mx:columns>
                <mx:DataGridColumn headerText="Post" dataField="title"/>
                <mx:DataGridColumn headerText="Date" dataField="pubDate" width="150"/>
            </mx:columns>
        </mx:DataGrid>
        <mx:TextArea x="20" y="175" width="400"
             htmlText="{dgPosts.selectedItem.description}"/>
        <mx:LinkButton x="20" y="225" label="Read Full Post"
             click="navigateToURL(new URLRequest(dgPosts.selectedItem.link));"/>
    </mx:Panel>
    

</mx:Application>