flex图表座标标签旋转(Rotating chart axis labels)

flex图表坐标标签旋转(Rotating chart axis labels)
flex图表的横坐标可以旋转90度,尽可能节省空间.
具体方法如下http://help.adobe.com/en_US/flex/using/WS2db454920e96a9e51e63e3d11c0bf65816-7fe5.html