SpreadJS 支持树状图。通过 GC.Spread.Sheets.Charts.ChartType.treemap 类型等来获取图表类型。
你可以通过图表的API来添加一个树状图并定制其样式：
Treemap: 图表直观的显示了包含不同数据量的数据。
import * as React from 'react';
import { createRoot } from 'react-dom/client';
import './styles.css';
import { AppFunc } from './app-func';
// import { App } from './app-class';
// 1. Functional Component sample
createRoot(document.getElementById('app')).render(<AppFunc />);
// 2. Class Component sample
// createRoot(document.getElementById('app')).render(<App />);
import * as React from 'react';
import GC from '@grapecity-software/spread-sheets';
import { SpreadSheets, Worksheet } from '@grapecity-software/spread-sheets-react';
import '@grapecity-software/spread-sheets-shapes';
import '@grapecity-software/spread-sheets-charts';
import '@grapecity-software/spread-sheets-resources-zh';
GC.Spread.Common.CultureManager.culture("zh-cn");
export function AppFunc() {
const initSpread = (spread) => {
let sheets = spread.sheets;
spread.suspendPaint();
// custom sheet style
_setSheet(sheets);
_setData(sheets[0], 'treemapChart');
initTreemap(sheets[0], GC.Spread.Sheets.Charts.ChartType.treemap);
_setData(sheets[1], 'customStyle');
let customTreemapChart = initTreemap(sheets[1], GC.Spread.Sheets.Charts.ChartType.treemap);
_setDataLabels(customTreemapChart);
_setDataPoints(customTreemapChart);
spread.resumePaint();
}
const _setSheet = (sheets) => {
let columnWidths = [20, 70, 100, 80, 120];
for (let i = 0; i < sheets.length; i++) {
sheets[i].options.gridline.showHorizontalGridline = false;
sheets[i].options.gridline.showVerticalGridline = false;
sheets[i].getRange(1, 1, 17, 4)
.hAlign(GC.Spread.Sheets.HorizontalAlign.center)
.setBorder(new GC.Spread.Sheets.LineBorder('black', GC.Spread.Sheets.LineStyle.thin), { all: true });
sheets[i].getRange(1, 1, 1, 4).font('bold normal 10pt Arial');
for (let j = 0; j < columnWidths.length; j++) {
sheets[i].setColumnWidth(j, columnWidths[j]);
}
}
}
const initTreemap = (sheet, chartType) => {
sheet.resumePaint();
return sheet.charts.add((sheet.name() + chartType), chartType, 400, 0, 650, 400, "B2:E18");
}
const _setDataLabels = (chart) => {
let dataLabels = chart.dataLabels();
dataLabels.color = 'white';
chart.dataLabels(dataLabels);
}
const _setDataPoints = (chart) => {
let dataPoints = chart.series().dataPoints();
let fillColors = ['#4472c4', '#a5a5a5', '#ffc000', '#ed7d31'];
for (let i = 0; i < fillColors.length; i++) {
let dataPoint = dataPoints.get(i);
dataPoint.fillColor = fillColors[i];
dataPoint.transparency = 0; // 0~1
dataPoints.set(i, dataPoint);
}
}
const _setData = (sheet, sheetName) => {
sheet.name(sheetName);
sheet.suspendPaint();
let dataArray = [
['Region', 'Subregion', 'country', 'Population'],
['Asia', 'Southern', 'India', 1354051854],
[, , 'Pakistan', 200813818],
[, , 'Bangladesh', 166368149],
[, , 'Others', 170220300],
[, 'Eastern', 'China', 1415045928],
[, , 'Japan', 127185332],
[, , 'Others', 111652273],
[, 'South-Eastern', , 655636576],
[, 'Western', , 272298399],
[, 'Central', , 71860465],
['Africa', 'Eastern', , 433643132],
[, 'Western', , 381980688],
[, 'Northern', , 237784677],
[, 'Others', , 234512021],
['Europe', , , 742648010],
['Others', , , 1057117703]
];
sheet.setArray(1, 1, dataArray);
}
return (<div class="sample-tutorial">
<div class="sample-spreadsheets">
<SpreadSheets workbookInitialized={spread => initSpread(spread)}>
<Worksheet />
<Worksheet />
</SpreadSheets>
</div>
</div>);
}
import * as React from 'react';
import GC from '@grapecity-software/spread-sheets';
import { SpreadSheets, Worksheet } from '@grapecity-software/spread-sheets-react';
import '@grapecity-software/spread-sheets-shapes';
import '@grapecity-software/spread-sheets-charts';
import '@grapecity-software/spread-sheets-resources-zh';
GC.Spread.Common.CultureManager.culture("zh-cn");
const Component = React.Component;
export class App extends Component {
constructor(props) {
super(props);
this.spread = null;
}
render() {
return (<div class="sample-tutorial">
<div class="sample-spreadsheets">
<SpreadSheets workbookInitialized={spread => this.initSpread(spread)}>
<Worksheet />
<Worksheet />
</SpreadSheets>
</div>
</div>);
}
initSpread(spread) {
let sheets = spread.sheets;
spread.suspendPaint();
// custom sheet style
this._setSheet(sheets);
this._setData(sheets[0], 'treemapChart');
this.initTreemap(sheets[0], GC.Spread.Sheets.Charts.ChartType.treemap);
this._setData(sheets[1], 'customStyle');
let customTreemapChart = this.initTreemap(sheets[1], GC.Spread.Sheets.Charts.ChartType.treemap);
this._setDataLabels(customTreemapChart);
this._setDataPoints(customTreemapChart);
spread.resumePaint();
}
_setSheet(sheets) {
let columnWidths = [20, 70, 100, 80, 120];
for (let i = 0; i < sheets.length; i++) {
sheets[i].options.gridline.showHorizontalGridline = false;
sheets[i].options.gridline.showVerticalGridline = false;
sheets[i].getRange(1, 1, 17, 4)
.hAlign(GC.Spread.Sheets.HorizontalAlign.center)
.setBorder(new GC.Spread.Sheets.LineBorder('black', GC.Spread.Sheets.LineStyle.thin), { all: true });
sheets[i].getRange(1, 1, 1, 4).font('bold normal 10pt Arial');
for (let j = 0; j < columnWidths.length; j++) {
sheets[i].setColumnWidth(j, columnWidths[j]);
}
}
}
initTreemap(sheet, chartType) {
sheet.resumePaint();
return sheet.charts.add((sheet.name() + chartType), chartType, 400, 0, 650, 400, "B2:E18");
}
_setDataLabels(chart) {
let dataLabels = chart.dataLabels();
dataLabels.color = 'white';
chart.dataLabels(dataLabels);
}
_setDataPoints(chart) {
let dataPoints = chart.series().dataPoints();
let fillColors = ['#4472c4', '#a5a5a5', '#ffc000', '#ed7d31'];
for (let i = 0; i < fillColors.length; i++) {
let dataPoint = dataPoints.get(i);
dataPoint.fillColor = fillColors[i];
dataPoint.transparency = 0; // 0~1
dataPoints.set(i, dataPoint);
}
}
_setData(sheet, sheetName) {
sheet.name(sheetName);
sheet.suspendPaint();
let dataArray = [
['Region', 'Subregion', 'country', 'Population'],
['Asia', 'Southern', 'India', 1354051854],
[, , 'Pakistan', 200813818],
[, , 'Bangladesh', 166368149],
[, , 'Others', 170220300],
[, 'Eastern', 'China', 1415045928],
[, , 'Japan', 127185332],
[, , 'Others', 111652273],
[, 'South-Eastern', , 655636576],
[, 'Western', , 272298399],
[, 'Central', , 71860465],
['Africa', 'Eastern', , 433643132],
[, 'Western', , 381980688],
[, 'Northern', , 237784677],
[, 'Others', , 234512021],
['Europe', , , 742648010],
['Others', , , 1057117703]
];
sheet.setArray(1, 1, dataArray);
}
}
<!doctype html>
<html style="height:100%;font-size:14px;">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<link rel="stylesheet" type="text/css"
href="$DEMOROOT$/zh/react/node_modules/@grapecity-software/spread-sheets/styles/gc.spread.sheets.excel2013white.css">
<!-- SystemJS -->
<script src="$DEMOROOT$/zh/react/node_modules/systemjs/dist/system.src.js"></script>
<script src="systemjs.config.js"></script>
<script>
System.import('$DEMOROOT$/zh/lib/react/license.js').then(function() {
System.import('./src/app');
});
</script>
</head>
<body>
<div id="app"></div>
</body>
</html>
.sample-tutorial {
position: relative;
height: 100%;
overflow: hidden;
}
.sample-spreadsheets {
width: 100%;
height:100%;
overflow: hidden;
float: left;
}
body {
position: absolute;
top: 0;
bottom: 0;
left: 0;
right: 0;
}
#app {
height: 100%;
}
(function(global) {
System.config({
transpiler: 'plugin-babel',
babelOptions: {
es2015: true,
react: true
},
meta: {
'*.css': { loader: 'css' }
},
paths: {
// paths serve as alias
'npm:': 'node_modules/'
},
// map tells the System loader where to look for things
map: {
'@grapecity-software/spread-sheets-shapes': 'npm:@grapecity-software/spread-sheets-shapes/index.js',
'@grapecity-software/spread-sheets-charts': 'npm:@grapecity-software/spread-sheets-charts/index.js',
'@grapecity-software/spread-sheets': 'npm:@grapecity-software/spread-sheets/index.js',
'@grapecity-software/spread-sheets-resources-zh': 'npm:@grapecity-software/spread-sheets-resources-zh/index.js',
'@grapecity-software/spread-sheets-react': 'npm:@grapecity-software/spread-sheets-react/index.js',
'@grapecity/jsob-test-dependency-package/react-components': 'npm:@grapecity/jsob-test-dependency-package/react-components/index.js',
'react': 'npm:react/cjs/react.production.js',
'react-dom': 'npm:react-dom/cjs/react-dom.production.js',
'react-dom/client': 'npm:react-dom/cjs/react-dom-client.production.js',
'scheduler': 'npm:scheduler/cjs/scheduler.production.js',
'css': 'npm:systemjs-plugin-css/css.js',
'plugin-babel': 'npm:systemjs-plugin-babel/plugin-babel.js',
'systemjs-babel-build': 'npm:systemjs-plugin-babel/systemjs-babel-browser.js'
},
// packages tells the System loader how to load when no filename and/or no extension
packages: {
src: {
defaultExtension: 'jsx'
},
"node_modules": {
defaultExtension: 'js'
},
}
});
})(this);
