flex 自动生成get 和 set的方法

<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute">
<mx:Script>
<![CDATA[
import mx.controls.Alert;
[Bindable]
private var arr_comData:Array=["private","public","internal","dynamic","final"];
[Bindable
]
private var arr_varModel:Array=["String","int","uint","Boolean","Number","Object"];
private var result:String="";
private function bulid():void
{
var str_result:String="";
var str_result_var:String="";
var str_temp:String=com_textinput.text;
if(str_temp=="")
{
Alert.show("You must input something ");
}
else
{
   var myPattern2:RegExp=/\r\n/;//清除回车和换行符
   str_temp=str_temp.replace(myPattern2,'');
   var arr_temp:Array=str_temp.split(",");

   var i:int=0;
   var arr_len:int=arr_temp.length;
   for(i=0;i<arr_len;i++)
   {
   var functionName:String=arr_temp[i];
   str_result_var=str_result_var+"\r"+com_classModel.selectedLabel+" var _"+functionName+":"+com_varModel.selectedLabel+";";
   str_result=str_result+"\r"+"public "+" function set "+functionName+"(value:"+com_varModel.selectedLabel+"):void\r{";
   str_result=str_result+"\r"+"  this._"+functionName+"="+"value"+";\r}";
   str_result=str_result+"\r"+"public"+" function get "+functionName+"():"+com_varModel.selectedLabel+"\r{";
   str_result=str_result+"\r"+"  return this._"+functionName+";\r}";
   }
   result=str_result_var+str_result;
   tx_show.text=result;
}
}
private function clear():void
{
tx_show.text="";
}

]]>
</mx:Script>
<mx:Canvas width="100%" height="116" top="0" horizontalCenter="0">
<mx:ComboBox id="com_classModel" dataProvider="{arr_comData}" x="223" y="39"></mx:ComboBox>
<mx:ComboBox id="com_varModel" dataProvider="{arr_varModel}" x="66" y="39"></mx:ComboBox>
<mx:TextInput width="307" id="com_textinput" x="369" y="39"/>
<mx:Label text="输入变量名字（以 逗号隔开）：" x="326.5" y="13"/>
<mx:Button label="生成" width="83" click="bulid()" x="369" y="84"/>
<mx:Button x="527" y="84" label="清空" click="clear()"/>
<mx:Label text="选择变量类型：" x="18" y="13"/>
<mx:Label text="选择变量封装性：" x="175" y="13"/>
</mx:Canvas>
<mx:TextArea height="335" width="378" id="tx_show" horizontalCenter="0" y="121"/>
</mx:Application>