一个图显示多个数据系列

<?xml version="1.0"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
  width="100%" height="100%">
  <mx:Script>
    <![CDATA[
        [Bindable]
        public var SMITH:Array = [
    {date:"15", close:42.47},
    {date:"16", close:42.87},
    {date:"17", close:43.87},
    {date:"18", close:44.87},
    {date:"19", close:45.87},
    {date:"20", close:43.87},
    {date:"21", close:42.87},
            {date:"22", close:45.87},
            {date:"23", close:45.74},
            {date:"24", close:45.77},
            {date:"25", close:46.06},
        ];
        [Bindable]
        public var DECKER:Array = [
           {date:"15", close:45.59},
           {date:"15", close:45.59},
           {date:"15", close:45.59},
           {date:"15", close:45.59},
           {date:"15", close:45.59},
           {date:"15", close:45.59},
           {date:"15", close:45.59},
           {date:"20", close:49.3},
           {date:"24", close:44.71},
           {date:"25", close:46.88},
        ];
    ]]>
  </mx:Script>

  <mx:Panel title="Multiple Data Series" width="100%" height="100%">
     <mx:LineChart id="mychart"
        dataProvider="{SMITH}"
        showDataTips="true"
        height="100%"
        width="100%">
       
        <mx:horizontalAxis>
           <mx:CategoryAxis categoryField="date"/>
        </mx:horizontalAxis>
        <mx:verticalAxis>
           <mx:LinearAxis minimum="40" maximum="50"/>
        </mx:verticalAxis>
        <mx:series>
           <mx:LineSeries
                dataProvider="{SMITH}"
                xField="date"
                yField="close"
                displayName="SMITH"
           >
           </mx:LineSeries>
           <mx:PlotSeries
                dataProvider="{DECKER}"
                xField="date"
                yField="close"
                displayName="DECKER"
           >
           </mx:PlotSeries>
        </mx:series>
     </mx:LineChart>
  </mx:Panel>
</mx:Application>