Spread.Sheets的图表支持面积图，堆积面积图，百分比堆积面积图。用GC.Spread.Sheets.Charts.ChartType.area去改变图表的类型。
插入一个面积图，就可以用图表支持的接口来改变图表的样式。
面积图可以是固定的也可以是100%的。
面积图:是一个没有堆积的面积图。
堆积面积图:堆积面积图显示了每一个数值和各个类别值随时间变化的变化趋势。
百分比堆积面积图:百分比堆积面积图显示了每一个数值和各个类别值随着时间变化所占百分比的变化趋势。
window.onload = function () {
var spread = new GC.Spread.Sheets.Workbook(document.getElementById("ss"), {sheetCount: 3});
initSpread(spread);
};
function initSpread(spread) {
var chartType = [{
type: GC.Spread.Sheets.Charts.ChartType.area,
desc: "area",
}, {
type: GC.Spread.Sheets.Charts.ChartType.areaStacked,
desc: "areaStacked",
}, {
type: GC.Spread.Sheets.Charts.ChartType.areaStacked100,
desc: "areaStacked100",
}];
var sheets = spread.sheets;
spread.suspendPaint();
initArea(sheets[0], chartType[0].desc, chartType[0].type);
initArea(sheets[1], chartType[1].desc, chartType[1].type);
initArea(sheets[2], chartType[2].desc, chartType[2].type);
spread.resumePaint();
}
function initArea(sheet, sheetName, chartType) {
sheet.name(sheetName);
sheet.suspendPaint();
//prepare data for chart
var dataArray = [
["", "1750", "1800", "1850", "1900", "1950", "2000", "2050"],
["Asia", 502, 635, 809, 947, 1402, 3634, 5268],
["Africa", 106, 107, 111, 133, 221, 767, 1766],
["America", 18, 31, 54, 156, 339, 818, 1201],
["Europe", 163, 203, 276, 408, 547, 729, 628],
["Oceania", 2, 2, 2, 6, 13, 30, 46]
];
sheet.setArray(0, 0, dataArray);
sheet.resumePaint();
var chart = sheet.charts.add((sheet.name() + 'Chart1'), chartType, 0, 120, 800, 300, "A1:H6", GC.Spread.Sheets.Charts.RowCol.rows);
var series = chart.series().get();
var colorArray = ['rgba(158, 200, 242, 0.7)', 'rgba(245, 87, 31, 0.7)', 'rgba(173, 255, 131, 0.7)', 'rgba(255, 178, 50, 0.7)', 'rgba(93, 93, 93, 0.7)'];
var colorLineArray = ['rgba(158, 200, 242)', 'rgba(245, 87, 31)', 'rgba(173, 255, 131)', 'rgba(255, 178, 50)', 'rgba(93, 93, 93)'];
for (var i = 0; i < series.length; i++) {
series[i].backColor = colorArray[i];
series[i].border.color = colorLineArray[i];
series[i].border.width = 2;
chart.series().set(i, series[i]);
}
var axes = chart.axes();
axes.primaryValue.lineStyle.color = 'grey';
axes.primaryValue.majorTickPosition = GC.Spread.Sheets.Charts.TickMark.outside;
axes.primaryValue.majorUnit = 1000;
chart.axes(axes);
chart.title({text:"The Continents History and Forecast of Population Growth",fontSize:18});
chart.axes({primaryValue:{title:{text:"Units: one million"}}});
}
<!doctype html>
<html style="height:100%;font-size:14px;">
<head>
<meta name="spreadjs culture" content="zh-cn" />
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<link rel="stylesheet" type="text/css" href="$DEMOROOT$/zh/purejs/node_modules/@grapecity-software/spread-sheets/styles/gc.spread.sheets.excel2013white.css">
<script src="$DEMOROOT$/zh/purejs/node_modules/@grapecity-software/spread-sheets/dist/gc.spread.sheets.all.min.js" type="text/javascript"></script>
<script src="$DEMOROOT$/zh/purejs/node_modules/@grapecity-software/spread-sheets-shapes/dist/gc.spread.sheets.shapes.min.js" type="text/javascript"></script>
<script src="$DEMOROOT$/zh/purejs/node_modules/@grapecity-software/spread-sheets-charts/dist/gc.spread.sheets.charts.min.js" type="text/javascript"></script>
<script src="$DEMOROOT$/zh/purejs/node_modules/@grapecity-software/spread-sheets-resources-zh/dist/gc.spread.sheets.resources.zh.min.js" type="text/javascript"></script>
<script src="$DEMOROOT$/spread/source/js/license.js" type="text/javascript"></script>
<script src="app.js" type="text/javascript"></script>
<link rel="stylesheet" type="text/css" href="styles.css">
</head>
<body>
<div class="sample-tutorial">
<div id="ss" class="sample-tutorial"></div>
</div>
</body>
</html>
.sample-tutorial {
position: relative;
height: 100%;
overflow: hidden;
}
body {
position: absolute;
top: 0;
bottom: 0;
left: 0;
right: 0;
}
