以下以Group为例子讲述如何在Flex 4中填充背景颜色、图片:1、图片填充方式:<s:Group x="0" y="0" height="100%" width="100%"><s:Rect x="0" y="0" height="100%" width="100%"><s:fill><s:BitmapFill source="@Embed('../imges/myBg.jpg')"/></s:fill></s:Rect></s:Group>2、渐变色填充方式:<s:Rect alpha="0.5" x="0" y="0" width="100%" height="100%"><s:fill><s:LinearGradient rotation="250"><s:GradientEntry color="0x222222" ratio="0"/><s:GradientEntry color="0xdddddd" ratio="1"/></s:LinearGradient></s:fill></s:Rect>