在FLEX中使用特殊字符.

%、#、&等特殊字符
示例：

代码：

<? xml version="1.0" encoding="utf-8" ?>
<!--  http://blog.flexexamples.com/2007/08/02/using-special-characters-in-your-flex-applications/  -->
< mx:Application  xmlns:mx ="http://www.adobe.com/2006/mxml"
        layout ="vertical"
        verticalAlign ="middle"
        backgroundColor ="white"
        creationComplete ="init()" >

     < mx:Script >
         <![CDATA[
            import mx.collections.ArrayCollection;

            [Bindable]
            private var charCodes:ArrayCollection;

            private function init():void {
                charCodes = new ArrayCollection();
                var i:int;
                for (i = slider.values[0]; i <= slider.values[1]; i++) {
                    charCodes.addItem({charCodeNum:i, charCodeValue:"&#" + formatString(i) + ";",  charCodeStr:String.fromCharCode(i)});
                }
            }

            private function formatString(str:Object, minLength:int = 4):String {
                return ("000000000" + str.toString()).substr(-minLength);
            }
         ]]>
     </ mx:Script >

     < mx:VBox >
         < mx:DataGrid  id ="dataGrid"  dataProvider =" {charCodes} "  width ="300" >
             < mx:columns >
                 < mx:DataGridColumn  dataField ="charCodeStr"   />
                 < mx:DataGridColumn  dataField ="charCodeValue"   />
             </ mx:columns >
         </ mx:DataGrid >

         < mx:HBox  width ="100%" >
             < mx:HSlider  id ="slider"  minimum ="32"  maximum ="512"  thumbCount ="2"  values ="[0, 512]"  liveDragging ="true"  snapInterval ="1"  tickInterval ="32"  dataTipPrecision ="0"  change ="init()"   />
             < mx:Label  text ="`{dataGrid.selectedItem.charCodeStr}` = {dataGrid.selectedItem.charCodeValue}"  selectable ="true"   />
         </ mx:HBox >
     </ mx:VBox >

     < mx:Label  text ="© {new Date().fullYear} Flex Examples"   />

</ mx:Application >