FusionCharts提供了雙Y軸組合圖，它有兩個(gè)Y軸，每個(gè)軸表示不同的刻度（例如，收益和數(shù)量，或者訪問(wèn)量和下載量等等）。圖形左邊的坐標(biāo)軸叫主坐標(biāo)軸，圖形右邊的叫次坐標(biāo)軸。FusionCharts里組合圖分為2D和3D，下面的圖形就是一個(gè)2D雙Y軸組合圖。 這個(gè)圖里有月銷售額和數(shù)量，X軸表示月份。現(xiàn)在來(lái)看看這兩個(gè)Y軸： 主Y軸表示2005和2006的銷售額，柱狀圖和這個(gè)主Y軸對(duì)應(yīng)。 次Y軸表示數(shù)量，曲線圖和次Y軸對(duì)應(yīng)。 在雙Y軸圖形里，必須提供至少兩個(gè)數(shù)據(jù)集，一個(gè)對(duì)應(yīng)主Y軸，一個(gè)對(duì)應(yīng)次Y軸。如果你沒(méi)有提供兩個(gè)，圖形就不會(huì)正確顯示。 XML代碼如下： <pre class='brush: csharp'>< graph caption='Business Results 2005 v 2006' PYAxisName='Revenue' SYAxisName='Quantity' xAxisName='Month' showValues='0' decimalPrecision='0' bgcolor='F3f3f3' bgAlpha='70' showColumnShadow='1' divlinecolor='c5c5c5' divLineAlpha='60' showAlternateHGridColor='1' alternateHGridColor='f8f8f8' alternateHGridAlpha='60' SYAxisMaxValue='750' > < categories> < category name='Jan' /> < category name='Feb' /> < category name='Mar' /> < category name='Apr' /> < category name='May' /> < category name='Jun' /> < category name='Jul' /> < category name='Aug' /> < category name='Sep' /> < category name='Oct' /> < category name='Nov' /> < category name='Dec' /> < /categories> < dataset seriesName='2006' parentYAxis='P' color='c4e3f7' numberPrefix='$'> < set value='27400' /> < set value='29800' /> < set value='25800' /> < set value='26800' /> < set value='29600' /> < set value='32600' /> < set value='31800' /> < set value='36700' /> < set value='29700' /> < set value='31900' /> < set value='34800' /> < set value='24800' /> < /dataset> < dataset seriesName='2005' parentYAxis='P' color='Fad35e' numberPrefix='$'> < set value='10000' /> < set value='11500' /> < set value='12500' /> < set value='15000' /> < set value='11000' /> < set value='9800' /> < set value='11800' /> < set value='19700' /> < set value='21700' /> < set value='21900' /> < set value='22900' /> < set value='20800' /> < /dataset> < dataset seriesName='Total Quantity' parentYAxis='S' color='8BBA00' anchorSides='10' anchorRadius='3' anchorBorderColor='009900' > < set value='270' /> < set value='320' /> < set value='290' /> < set value='320' /> < set value='310' /> < set value='320' /> < set value='340' /> < set value='470' /> < set value='420' /> < set value='440' /> < set value='480 '/> < set value='360' /> < /dataset> < /graph></pre>