SpreadJS的条形图支持簇状条形图,堆积条形图，百分比堆积条形图，用GC.Spread.Sheets.Charts.ChartType.barClustered去改变图表的类型。
插入一个条形图，就可以用图表支持的接口来改变图表的样式。
条形图可以是固定的也可以是100%的。
簇状条形图:没有堆积的条形图。
堆积条形图 堆积条形图展示了给个内容在条形图里面的关系。
百分比堆积条形图百分比堆积条形图显示了不同内容的每个值所占的百分比。
window.onload = function () {
var spread = new GC.Spread.Sheets.Workbook(document.getElementById("ss"), {sheetCount: 3});
initSpread(spread);
};
var colorArray = ['rgb(120, 180, 240)', 'rgb(240, 160, 80)', 'rgb(140, 240, 120)', 'rgb(120, 150, 190)'];
function initSpread(spread) {
var chartType = [{
type: GC.Spread.Sheets.Charts.ChartType.barClustered,
desc: "barClustered",
dataArray: [
["", 'Tokyo', 'New York', 'London', 'Berlin'],
["The First Quarter", 227.8, 260.9, 127, 110.1],
["The Second Quarter", 449.2, 283.9, 136.7, 167.8],
["The Third Quarter", 500.5, 300.5, 171, 165.4],
["The Fourth Quarter", 344.1, 282.4, 175.7, 137]
],
dataFormula: "A1:E5",
changeStyle: function (chart) {
changeChartTitle(chart, "The Average Quarterly Rainfall");
changColumnChartDataLabels(chart);
chart.legend({position:GC.Spread.Sheets.Charts.LegendPosition.right});
chart.axes({primaryValue: {title: {text: "Rainfall(mm)"}, majorUnit:50}});
changeChartSeriesColor(chart);
changeChartSeriesGapWidthAndOverLap(chart);
}
}, {
type: GC.Spread.Sheets.Charts.ChartType.barStacked,
desc: "barStacked",
dataArray: [
["", 'Tokyo', 'New York', 'London', 'Berlin'],
["The First Quarter", 227.8, 260.9, 127, 110.1],
["The Second Quarter", 449.2, 283.9, 136.7, 167.8],
["The Third Quarter", 500.5, 300.5, 171, 165.4],
["The Fourth Quarter", 344.1, 282.4, 175.7, 137]
],
dataFormula: "A1:E5",
changeStyle: function (chart) {
changeChartTitle(chart, "The Average Quarterly Rainfall");
changColumnChartDataLabels(chart);
chart.axes({primaryValue: {title: {text: "Rainfall(mm)"}}});
changeChartSeriesColor(chart);
changeChartSeriesGapWidthAndOverLap(chart);
}
}, {
type: GC.Spread.Sheets.Charts.ChartType.barStacked100,
desc: "barStacked100",
dataArray: [
["", 'Tokyo', 'New York', 'London', 'Berlin'],
["The First Quarter", 227.8, 260.9, 127, 110.1],
["The Second Quarter", 449.2, 283.9, 136.7, 167.8],
["The Third Quarter", 500.5, 300.5, 171, 165.4],
["The Fourth Quarter", 344.1, 282.4, 175.7, 137]
],
dataFormula: "A1:E5",
changeStyle: function (chart) {
changeChartTitle(chart, "The Average Quarterly Rainfall");
changColumnChartDataLabels(chart);
chart.axes({primaryValue: {title: {text: "Rainfall(%)"}}});
changeChartSeriesColor(chart);
changeChartSeriesGapWidthAndOverLap(chart);
}
}];
var sheets = spread.sheets;
spread.suspendPaint();
for (var i = 0; i < chartType.length; i++) {
var sheet = sheets[i];
initSheet(sheet, chartType[i].desc, chartType[i].dataArray);
var chart = addChart(sheet, chartType[i].type, chartType[i].dataFormula);//add chart
chartType[i].changeStyle(chart);
}
spread.resumePaint();
}
function initSheet(sheet, sheetName, dataArray) {
sheet.name(sheetName);
//prepare data for chart
sheet.setArray(0, 0, dataArray);
sheet.setColumnWidth(0, 120);
}
function addChart(sheet, chartType, dataFormula) {
//add chart
return sheet.charts.add((sheet.name() + 'Chart1'), chartType, 0, 100, 900, 330, dataFormula, GC.Spread.Sheets.Charts.RowCol.rows);
}
function changeChartTitle(chart, title) {
chart.title({text: title});
}
// show dataLabels
function changColumnChartDataLabels(chart) {
var dataLabels = chart.dataLabels();
dataLabels.showValue = true;
dataLabels.showSeriesName = false;
dataLabels.showCategoryName = false;
var dataLabelPosition = GC.Spread.Sheets.Charts.DataLabelPosition;
dataLabels.position = dataLabelPosition.outsideEnd;
chart.dataLabels(dataLabels);
}
//change color
function changeChartSeriesColor(chart) {
var series = chart.series().get();
for (var i = 0; i < series.length; i++) {
chart.series().set(i, {backColor: colorArray[i]});
}
}
function changeChartSeriesGapWidthAndOverLap(chart) {
var seriesItem = chart.series().get(0);
seriesItem.gapWidth = 2;
seriesItem.overlap = 0.1;
chart.series().set(0, seriesItem);
}
<!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">
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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="$DEMOROOT$/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;
}
