UID作为Flex的唯一标识，很多对象中都拥有mx_internal_uid属性，先看看代码： ?xml version="1.0" encoding="utf-8"? s:Application xmlns:fx="http://ns.adobe.com/mxml/2009" xmlns:s="library://ns.adobe.com/flex/spark" xmlns:mx="libr... [阅读全文]