flex lineChart 显示所有的数据节点

1。If you're using 

<mx:LineSeries>, then set the following property:itemRenderer="mx.charts.renderers.CircleItemRenderer" 
 

2。When constructing a LineSeries in ActionScript, then set the itemRenderer style on your LineSeries object before adding to the series array:


lineSeries.setStyle("itemRenderer", new ClassFactory(mx.charts.renderers.CircleItemRenderer));