Flex 使用ArrayCollection的FilterFunction进行数据过滤

<?xml version="1.0" encoding="utf-8"?>

<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"

layout="absolute" fontFamily="simsun" fontSize="12"

creationComplete="hs.send()">

<mx:Script>

<![CDATA[

import mx.collections.ArrayCollection;

import mx.rpc.events.*;

import mx.controls.Alert;

private function hsFault(event:FaultEvent):void{

Alert.show(event.message.toString(),"Error");

}

private function hsResult(event:ResultEvent):void{

mydata = event.result.NewDataSet.Table as ArrayCollection;

mydata.filterFunction = NameFilterChanged;

mydata.refresh();

}

public function NameFilterChanged(item:Object):Boolean{

var name:String = item.姓名;

var sno:String = item.学号;

var sex:String = item.性别;

if(cmbSex.selectedItem.data != "全部")

return (sno.indexOf(txtSNO.text,0) >= 0) &&(name.indexOf(txtName.text,0) >= 0) && (cmbSex.selectedItem.data == sex);

else

return (sno.indexOf(txtSNO.text,0) >= 0) &&(name.indexOf(txtName.text,0) >= 0);

}

[Bindable]

private var mydata:ArrayCollection;

]]>

</mx:Script>

<mx:HTTPService id="hs" useProxy="false" url="绿色通道名单.xml" fault="hsFault(event)"

showBusyCursor="true" result="hsResult(event)"/>

<mx:DataGrid dataProvider="{mydata}" right="10" left="9" top="38" bottom="20" >

<mx:columns>

<mx:DataGridColumn headerText="姓名" dataField="姓名"/>

<mx:DataGridColumn headerText="性别" dataField="性别"/>

<mx:DataGridColumn headerText="学号" dataField="学号"/>

<mx:DataGridColumn headerText="准考证号" dataField="准考证号"/>

<mx:DataGridColumn headerText="生源地" dataField="生源地"/>

<mx:DataGridColumn headerText="身份" dataField="身份"/>

<mx:DataGridColumn headerText="户口" dataField="户口"/>

<mx:DataGridColumn headerText="部门" dataField="部门"/>

<mx:DataGridColumn headerText="原因" dataField="原因"/>

<mx:DataGridColumn headerText="财务处是否办理" dataField="财务处是否办理"/>

</mx:columns>

</mx:DataGrid>

<mx:Label x="186" y="12" text="姓名:"/>

<mx:TextInput id="txtName" x="229" y="10" change="{mydata.refresh()}" width="95"/>

<mx:ComboBox x="391" y="10" width="94" id="cmbSex" labelField="title" change="mydata.refresh()">

<mx:dataProvider>

<mx:Array>

<mx:Object title = "全部" data="全部"/>

<mx:Object title = "男" data="男"/>

<mx:Object title = "女" data="女"/>

</mx:Array>

</mx:dataProvider>

</mx:ComboBox>

<mx:Label x="348" y="12" text="性别:"/>

<mx:TextInput x="76" y="10" width="102" id="txtSNO" change="{mydata.refresh()}"/>

<mx:Label x="33" y="12" text="学号:"/>

</mx:Application>