请问下Fusioncharts里的折线图，怎么在同一个图里画两根折现
请问下Fusioncharts里的折线图，怎么在同一个图里画两根折现
<br />$chart=new FusionCharts("Line","400","300");<br />$chart->setSWFPath("./Charts/");<br />$chart->addChartData($count1,"label=1");<br />$chart->addChartData($count2,"label=2");<br />$chart->addChartData($count3,"label=3");<br />$chart->addChartData($count4,"label=4");<br />$chart->renderChart();<br />
