//全選
private function checkAll():void{
for(var i:int=0;i<array.length;i++){
checkbox[i].selected=true;
all=all+checkbox[i].data+",";
}
Alert.show("選擇了："+all.substr(0,all.lastIndexOf(",")));
all="";
}
//全不選
private function checkNotAll():void{
for(var i:int=0;i<array.length;i++){
checkbox[i].selected=false;
}
}
//反選
private function reverse():void{
for(var i:int=0;i<array.length;i++){
if(checkbox[i].selected){
checkbox[i].selected=false;
}else{
checkbox[i].selected=true;
}
}
}
<mx:ComboBox id="subject" x="78" y="149" labelField="name" dataProvider="{array}"/>
下面是頁面加載的初始化方法
<PRE class=java name="code">public function init(event:Event):void{
for(var i:int=0;i<array.length;i++){
if("數(shù)學(xué)"==array[i].name){
subject.selectedIndex=i;
checkbox[i].selected=true;
}
}
}</PRE><BR>
這里我順便把數(shù)學(xué)的復(fù)選框弄成了默認(rèn)選中<BR>
看起來代碼有點(diǎn)亂，下面我把整個頁面代碼都貼出來<BR>
<PRE class=html name="code"><?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" initialize="init(event)">
<fx:Declarations>
<!-- Place non-visual elements (e.g., services, value objects) here -->
</fx:Declarations>
<fx:Script>
<![CDATA[
import mx.controls.Alert;
public var all:String="";
public var array:Array=new Array({"name":"語文","id":"chinese","x":"80"},{"name":"數(shù)學(xué)","id":"math","x":"160"},{"name":"英語","id":"english","x":"240"});
public function init(event:Event):void{
for(var i:int=0;i<array.length;i++){
if("數(shù)學(xué)"==array[i].name){
subject.selectedIndex=i;
checkbox[i].selected=true;
}
}
}
//全選
private function checkAll():void{
for(var i:int=0;i<array.length;i++){
checkbox[i].selected=true;
all=all+checkbox[i].data+",";
}
Alert.show("選擇了："+all.substr(0,all.lastIndexOf(",")));
all="";
}
//全不選
private function checkNotAll():void{
for(var i:int=0;i<array.length;i++){
checkbox[i].selected=false;
}
}
//反選
private function reverse():void{
for(var i:int=0;i<array.length;i++){
if(checkbox[i].selected){
checkbox[i].selected=false;
}else{
checkbox[i].selected=true;
}
}
}
]]>
</fx:Script>
<mx:VBox top="50">
<mx:VBox>
<mx:Canvas width="100%" height="100%" >
<mx:Repeater id="rep" dataProvider="{array}">
<mx:CheckBox id="checkbox" label="{rep.currentItem.name}" x="{rep.currentItem.x}" data="{rep.currentItem.id}"/>
</mx:Repeater>
</mx:Canvas>
</mx:VBox>
<mx:VBox>
</mx:VBox>
</mx:VBox>
<s:Button x="90" y="81" label="全選" click="checkAll()"/>
<s:Button x="168" y="81" label="全不選" click="checkNotAll()"/>
<s:Button x="246" y="81" label="反選" click="reverse()"/>
<mx:ComboBox id="subject" x="78" y="149" labelField="name" dataProvider="{array}"/>
</s:Application>
</PRE><BR>
<BR>
<PRE></PRE>
<P></P>
<PRE></PRE>
<IMG alt="" src="http://img.blog.csdn.net/20130706214231250?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvY2hlbndpbGwz/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center">
