flex学习进度10之对象数据应用

mxml文件

<?xml version="1.0" encoding="utf-8"?>
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"
xmlns:s="library://ns.adobe.com/flex/spark"
xmlns:mx="library://ns.adobe.com/flex/mx" minWidth="955" minHeight="600"
creationComplete="application1_creationCompleteHandler(event)">
<s:layout>
<s:BasicLayout/>
</s:layout>
<fx:Script>
<![CDATA[
import mx.events.FlexEvent;

import valueObject.Product;
[Bindable]
private var clazzObject:Product;
[Bindable]
private var clazzObjectFunc:Product;
protected function application1_creationCompleteHandler(event:FlexEvent):void
{
// TODO Auto-generated method stub
clazzObject=new Product(externalXml.city);
clazzObjectFunc=Product.buildProduct(externalXml);
}

]]>
</fx:Script>
<fx:Declarations>
<!-- 将非可视元素（例如服务、值对象）放在此处 -->
<fx:XML id="externalXml" source="assets/extXml.xml"/>
</fx:Declarations>
<s:Label x="348" y="98"  fontSize="31" text="{clazzObject.prodName}"/>
<s:Button x="456" y="200" label="{clazzObjectFunc.prodName}" fontSize="24"/>

</s:Application>

package valueObject
{
/*该类任何属性都可以用于数据绑定*/
[Bindable]
public class Product
{
public var prodName:String;
public function Product(prodName:String)
{
this.prodName=prodName;
}
public function toString():String{
return "[Product]"+this.prodName;
}
public static function buildProduct(o:Object):Product{
var p:Product;
p=new Product(o.shidu);

return p;
}
}
}

<?xml version="1.0" encoding="utf-8"?>
<ss>
<a>aaaa</a>
<b>bbbb</b>
<city>城市</city>
<updatetime>更新时间</updatetime>
<wendu>温度</wendu>
<fengli>风力</fengli>
<shidu>湿度</shidu>
<fengxiang>风向</fengxiang>
</ss>