学习组件拖拽

　　      height="323" backgroundColor="#FFFFFF">  height="59" mouseMove="mouseMoveHandler(event)" rollOver="doZoom(event)" rollOut="doZoom(event)" creationComplete="smoothImage(event);" />  height="323" backgroundColor="#FFFFFF" dragEnter="dragEnterHandler(event);" dragDrop="dragDropHandler(event);">   /本篇文章来源于ACCP教程网，原文出处：http://www.accptech.com/article/flex/1697.html