关键字：BindingUtils.bindProperty

需导入：import mx.binding.utils.BindingUtils;

/**

* 动态绑定

* @params site:Object 被绑定对象

* @params prop:String 被绑定对象的属性,如textInput的text属性

* @params host:Object 监视者对象

* @params chain:Object 监视者对象的属性

* @return ChangeWatcher

* **/

BindingUtils.bindProperty(site:Object,prop:String,host:Object,chain:Object)；

复制代码 代码如下:

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

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

layout="absolute" initialize="init();">

<mx:Script>

<>

</mx:Script>

<mx:ApplicationControlBar dock="true">

<mx:Button label="动态绑定" click="Binding();"/>

<mx:Button label="解除绑定" click="UnBinding();"/>

</mx:ApplicationControlBar>

<mx:VBox width="200" height="200">

<mx:Spacer height="30"/>

<mx:TextInput id="txt1"/>

<mx:TextInput id="txt2"/>

<mx:Spacer height="30"/>

<mx:ComboBox id="comb">

<mx:dataProvider>

<mx:Array>

<mx:String>Beijing</mx:String>

<mx:String>Shanghai</mx:String>

<mx:String>Hangzhou</mx:String>

</mx:Array>

</mx:dataProvider>

</mx:ComboBox>

<mx:TextInput id="txtComb"/>

</mx:VBox>

</mx:Application>