此贴纯属转载
< ? xml version = "1.0" encoding = "utf-8" ? > < !-- http:/ / blog. flexexamples. com/ 2008/ 05/ 29/ displaying-checkbox-controls-using-the-repeater-in-flex/ --> < mx:Application xmlns:mx= "http://www.adobe.com/2006/mxml" layout= "vertical" verticalAlign= "middle" backgroundColor= "white" > < mx:Script > < ![ CDATA[ import mx. controls. Alert; import mx. controls. CheckBox; private function button_click( evt:Event) : void { var selArr:Array = [ ] ; var idx:int; var len:int = arr. length; for ( idx= 0; idx< len; idx+ + ) { if ( checkBox[ idx] . selected) { selArr. push( checkBox[ idx] . label) ; } } var title:String = selArr. length + " of " + len + " item(s) selected." ; var message:String = selArr. join( "\n" ) ; Alert. show( message, title) ; } private function doFilter( element:* , index:int, arr:Array) : Boolean { return element. selected; } private function checkBox_change( evt:Event) : void { var ch:CheckBox = evt. currentTarget as CheckBox; Alert. show( ch. getRepeaterItem( ) . data) ; } ] ] >
< / mx:Script > < mx:Array id= "arr" > < mx:Object label= "Red" data= "red" / > < mx:Object label= "Orange" data= "haloOrange" / > < mx:Object label= "Yellow" data= "yellow" / > < mx:Object label= "Green" data= "haloGreen" / > < mx:Object label= "Blue" data= "haloBlue" / > < / mx:Array> < mx:Panel id= "panel" width= "50%" paddingLeft= "10" verticalGap= "10" > < mx:Repeater id= "checkBoxRepeater" dataProvider= "{arr}" > < mx:CheckBox id= "checkBox" label= "{checkBoxRepeater.currentItem.label}" data= "{checkBoxRepeater.currentItem.data}" change= "checkBox_change(event);" / > < / mx:Repeater> < mx:ControlBar horizontalAlign= "right" > < mx:Button id= "button" label= "Click me" emphasized= "true" click= "button_click(event);" / > < / mx:ControlBar> < / mx:Panel> < / mx:Application>
