Flex 3处理外部XML的两种方法

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其一，用mx:Model：

1. <?xml version="1.0"?>
2. <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml">
3.     <mx:Model id="catalogService" source="catalog.xml" />
4.     <mx:ArrayCollection id="myXC" source="{catalogService.product}"/>
5.     <mx:Repeater id="r" dataProvider="{myXC}" startingIndex="1">
6.         <mx:RadioButton id="Radio" label="{r.currentItem.name}"/>
7.     </mx:Repeater>
8. </mx:Application>

其二：用mx:HTTPService：

1. <?xml version="1.0"?>
2. <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" initialize="catalogService.send()">
3.     <mx:HTTPService id="catalogService" url="catalog.xml" resultFormat="e4x"/>
4.     <mx:XMLListCollection id="myXC" source="{catalogService.lastResult.product}"/>
5.     <mx:Repeater id="r" dataProvider="{myXC}" startingIndex="1">
6.         <mx:RadioButton id="Radio" label="{r.currentItem.name}"/>
7.     </mx:Repeater>
8. </mx:Application>

其中，XML数据如下：

1. <?xml version="1.0"?>
2. <products>
3.   <product>
4.     <name>Name</name>
5.     <price>Price</price>
6.     <freeship>Free Shipping?</freeship>
7.   </product>
8.   <product>
9.     <name>Whirlygig</name>
10.     <price>5</price>
11.     <freeship>false</freeship>
12.   </product>
13.   <product>
14.     <name>Tilty Thingy</name>
15.     <price>15</price>
16.     <freeship>true</freeship>
17.   </product>
18. <product>
19.     <name>Really Big Blocks</name>
20.     <price>25</price>
21.     <freeship>true</freeship>
22.   </product>
23. </products>

请注意数据集的细微差别。

摘自【http://www.5uflash.com/Flex-AIR/flexziliao/list_17_2.html】

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