Pivot Chart Types (React)

The PivotChart is an extension of the FlexChart, and supports 6 chartTypes including a Pie chart.

Use the PivotChart's chartType property to change the chart displayed.

This example lets you change the chartType from a dropdown.

Learn about OLAP | PivotChart Documentation | PivotChart API Reference

本示例基于React。

import 'bootstrap.css'; import '@grapecity/wijmo.styles/wijmo.css'; import './app.css'; // import * as React from 'react'; import * as ReactDOM from 'react-dom/client'; // import * as Olap from '@grapecity/wijmo.react.olap'; import * as Input from '@grapecity/wijmo.react.input'; import * as wjcOlap from '@grapecity/wijmo.olap'; import { getData } from './data'; // class App extends React.Component { constructor(props) { super(props); this.state = { ngChart: new wjcOlap.PivotEngine({ itemsSource: getData(), valueFields: ['Amount'], rowFields: ['Buyer', 'Type'], }), chartTypes: 'Column,Bar,Line,Area,Pie'.split(',') }; } render() { return <div className="container-fluid"> <Olap.PivotChart showTitle={true} itemsSource={this.state.ngChart} initialized={this.initializePivotChart.bind(this)} showLegend="Auto"> </Olap.PivotChart> <label> Chart Type <Input.ComboBox textChanged={this.onChartTypeChanged.bind(this)} itemsSource={this.state.chartTypes}> </Input.ComboBox> </label> </div>; } initializePivotChart(pivotChart) { this.pivotChart = pivotChart; this.pivotChart.engine.fields.getField('Amount').format = 'c0'; } onChartTypeChanged(combo) { if (this.pivotChart) this.pivotChart.chartType = wjcOlap.PivotChartType[combo.text]; } } setTimeout(() => { const container = document.getElementById('app'); if (container) { const root = ReactDOM.createRoot(container); root.render(<App />); } }, 100);
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>MESCIUS Wijmo OLAP Pivot Chart Chart Types</title> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <!-- SystemJS --> <script src="node_modules/systemjs/dist/system.src.js"></script> <script src="systemjs.config.js"></script> <script> System.import('./src/app'); </script> </head> <body> <div id="app"></div> </body> </html>
.wj-pivotchart { margin: auto; } .wj-pivotchart .wj-flexchart { border: none; height: 300px; } .wj-combobox { margin-left: 10px; } body { margin-bottom: 48pt; }
// list of country GDP and populations // https://en.wikipedia.org/wiki/List_of_IMF_ranked_countries_by_GDP export function getData() { var yr = new Date().getFullYear(); return [ { date: new Date(yr, 0, 1), buyer: 'Mom', type: 'Fuel', amount: 74 }, { date: new Date(yr, 0, 15), buyer: 'Mom', type: 'Food', amount: 235 }, { date: new Date(yr, 0, 17), buyer: 'Dad', type: 'Sports', amount: 20 }, { date: new Date(yr, 0, 21), buyer: 'Kelly', type: 'Books', amount: 125 }, { date: new Date(yr, 1, 2), buyer: 'Mom', type: 'Food', amount: 235 }, { date: new Date(yr, 1, 20), buyer: 'Kelly', type: 'Music', amount: 20 }, { date: new Date(yr, 1, 25), buyer: 'Kelly', type: 'Tickets', amount: 125 } ]; }
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