Flex:ArrayCollection转xml形式的实例

ArrayCollection转成xml类型示例

下面模拟一组数据exams,将其转化为xml形式.详细代码见下：

<?xmlversion="1.0"encoding="utf-8"?>
 <mx:Applicationxmlns:mx="http://www.adobe.com/2006/mxml"layout="absolute"fontSize="12"creationComplete="init()">
 <mx:Stylesource="style/Smoke.css"/>
 <mx:Script>
 <![CDATA[
importmx.collections.ArrayCollection;
[Bindable]privatevarshijxml:XML;

privatefunctioninit():void{
shijxml=arrToXml(exams);
}

[Bindable]
publicvarexams:ArrayCollection=newArrayCollection(
[{sjtitle:"数据结构第一章",kemu:"数据结构",shijID:"sj000",num:"30"},
{sjtitle:"数据结构第二章",kemu:"数据结构",shijID:"sj001",num:"30"},
{sjtitle:"组成原理第一章",kemu:"组成原理",shijID:"zc000",num:"50"},
{sjtitle:"组成原理第二章",kemu:"组成原理",shijID:"zc001",num:"30"}]);

privatefunctionarrToXml(arr:ArrayCollection):XML{
varroot:XML=newXML("<root/>");
for(vari:int=0;i<arr.length;i++){
varnode:XML=newXML("<node/>");
node.sjtitle=arr[i].sjtitle;
node.kemu=arr[i].kemu;
node.shijID=arr[i].shijID;
node.num=arr[i].num;
root.appendChild(node);
}
returnroot;
}
privatefunctioncloseHandler(event:Event):void{
show.text="试卷标题："+ComboBox(event.target).selectedItem;
vartemp:String=String(ComboBox(event.target).selectedItem);
foreach(varxml:XMLinshijxml.node){
if(xml.sjtitle==temp){
show.text="考试科目："+xml.kemu+"/n"+"试卷题数："+xml.num+"/n"+
"试卷编号："+xml.shijID;
}
}
}
]]>
 </mx:Script>
 <mx:Panelwidth="100%"height="100%"layout="absolute">
 <mx:DataGridheight="100%"width="50%"dataProvider="{exams}">
 </mx:DataGrid>
 <mx:ComboBoxy="79"close="closeHandler(event);"dataProvider="{shijxml.node.sjtitle}"right="88"></mx:ComboBox>
 <mx:Texty="111"id="show"width="185"height="126"right="50"/>
 </mx:Panel>
 </mx:Application>