spark插件开发的中文文档。绝对的实用！-spark plug-in development in Chinese documents. The absolute practical!

希望对你有用，跟我学FLEX教程，适合初学者。-<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="800" initialize="init()">

openfire的spark插件，spark发送请求，然后openfire接收-openfire s and spark plugin。saprk send packet ,enth openfire receive