flex消费web服务的例子

<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute"
creationComplete="wsBlogAggr.getMostPopularPosts.send()">
<mx:WebService id="wsBlogAggr"
wsdl="http://weblogs.macromedia.com/mxna/webservices/mxna2.cfc?wsdl"
useProxy="false">
<mx:operation name="getMostPopularPosts">
<mx:request>
<daysBack>30</daysBack>
<limit>{cbxNumPosts.value}</limit>
</mx:request>
</mx:operation>
</mx:WebService>
<mx:Panel x="10" y="10" width="475" height="400" layout="absolute"
title="Most Popular Posts">
<mx:ComboBox x="30" y="25" id="cbxNumPosts" change="wsBlogAggr.getMostPopularPosts.send()">
<mx:Object label="Top 5" data="5" />
<mx:Object label="Top 10" data="10" />
<mx:Object label="Top 15" data="15" />
</mx:ComboBox>
<mx:DataGrid x="30" y="75" id="dgTopPosts" width="400"
dataProvider="{wsBlogAggr.getMostPopularPosts.lastResult}">
<mx:columns>
<mx:DataGridColumn headerText="Top Posts" dataField="postTitle"/>
<mx:DataGridColumn headerText="Clicks" dataField="clicks" width="75"/>
</mx:columns>
</mx:DataGrid>
<mx:LinkButton x="30" y="250"
label="Select an item and click here for full post"
click="navigateToURL(new URLRequest(dgTopPosts.selectedItem.postLink));"/>
</mx:Panel>
</mx:Application>