Flex 拖动相关 flex中list控件拖动删除http://yansy115.blog.163.com/blog/static/23308504200941354054417/Flex3组件拖放教程http://blogold.chinaunix.net/u/21684/showart_694907.htmlFlex 4中用s:List加s:layout来实现mx:TileList的多列显示功能