在图表的应用中经常会使用到钻取功能，如现在图表上显示某个公司每个季度的销售量，当点击季度销量时可以钻取到该季度每个月的销量，FusionCharts Suite XT可以帮助开发人员轻松实现该功能，下面是该功能实现的完整代码：
<html>
<head>
<title>My First chart using FusionCharts Suite XT</title>
<script type="text/javascript" src="fusioncharts/fusioncharts.js"></script>
<script type="text/javascript" src="fusioncharts/themes/fusioncharts.theme.fint.js"></script>
<script type="text/javascript">
FusionCharts.ready(function () {
var drillDownChart = new FusionCharts({
"type": "column2d",
"renderAt": "chartContainer",
"width": "450",
"height": "300",
"dataFormat": "json",
"dataSource": {
"chart": {
"caption": "Quarterly revenue",
"subCaption": "Last year (Click on columns to see details)",
"xAxisName": "Quarter",
"yAxisName": "Revenue",
"numberPrefix": "$",
"theme": "fint"
},
"data": [{
"label": "Q1",
"value": "1950000",
"link": "newchart-json-Q1"
}, {
"label": "Q2",
"value": "1970000",
"link": "newchart-json-Q2"
}, {
"label": "Q3",
"value": "1910000",
"link": "newchart-json-Q3"
}, {
"label": "Q4",
"value": "2120000",
"link": "newchart-json-Q4"
}],
"linkeddata": [{
"id": "Q1",
"linkedchart": {
//Data String Method. Data for linked chart added as string instead of url.
"chart": {
"caption": "Monthly Revenue",
"subcaption": "First Quarter",
"xAxisName": "Month",
"yAxisName": "Revenue",
"numberPrefix": "$",
"theme": "fint"
},
"data": [{
"label": "Jan",
"value": "420000"
}, {
"label": "Feb",
"value": "810000"
}, {
"label": "Mar",
"value": "720000"
}]
}
}, {
"id": "Q2",
"linkedchart": {
"chart": {
"caption": "Monthly Revenue",
"subcaption": "Second Quarter",
"xAxisName": "Month",
"yAxisName": "Revenue",
"numberPrefix": "$",
"theme": "fint"
},
"data": [{
"label": "Apr",
"value": "550000"
}, {
"label": "May",
"value": "910000"
}, {
"label": "Jun",
"value": "510000"
}]
}
}, {
"id": "Q3",
"linkedchart": {
"chart": {
"caption": "Monthly Revenue",
"subcaption": "Third Quarter",
"xAxisName": "Month",
"yAxisName": "Revenue",
"numberPrefix": "$",
"theme": "fint"
},
"data": [{
"label": "Jul",
"value": "680000"
}, {
"label": "Aug",
"value": "620000"
}, {
"label": "Sep",
"value": "610000"
}]
}
}, {
"id": "Q4",
"linkedchart": {
"chart": {
"caption": "Monthly Revenue",
"subcaption": "Fourth Quarter",
"xAxisName": "Month",
"yAxisName": "Revenue",
"numberPrefix": "$",
"theme": "fint"
},
"data": [{
"label": "Oct",
"value": "490000"
}, {
"label": "Nov",
"value": "900000"
}, {
"label": "Dec",
"value": "730000"
}]
}
}]
}
});
drillDownChart.render();
})
</script>
</head>
<body>
<div id="chartContainer">FusionCharts will render here</div>
</body>
</html>