チャート:損益分岐点チャート

損益分岐点チャートは、販売量に応じた売上高と総費用をグラフ化して、利益を得るためにどのくらいの数を販売する必要があるかを示します。

import 'bootstrap.css'; import '@grapecity/wijmo.styles/wijmo.css'; import './styles.css'; // import * as chart from '@grapecity/wijmo.chart'; import * as chartAnalytics from '@grapecity/wijmo.chart.analytics'; // // document.readyState === 'complete' ? init() : window.onload = init; // function init() { // create the chart let theChart = new chart.FlexChart('#theChart'); // // create break-even series let series = new chartAnalytics.BreakEven({ salesPrice: 120, variableCost: 20, fixedCost: 1000000, style: { fill: "rgba(127,42,250,0.5)", strokeWidth: 0 }, altStyle: { fill: 'rgba(255,0,0,0.5)', strokeWidth: 0 }, styles: initStyles(), }); theChart.series.push(series); // // bind checkboxes events 'safetyMargin,salesRevenue,totalCost,fixedCost,variableCost,marginalProfit,breakEven' .split(',') .forEach((s) => { let el = document.querySelector('#' + s); el.addEventListener('change', () => { let styles = initStyles(); series.styles[s] = el.checked ? styles[s] : null; theChart.refresh(); }); }); } function initStyles() { return { safetyMargin: { fill: "lightgreen", strokeWidth: 0 }, salesRevenue: { stroke: "rgba(127,42,250,1)", strokeWidth: 3 }, fixedCost: { stroke: "grey", strokeWidth: 3 }, totalCost: { stroke: "red", strokeWidth: 3 }, variableCost: { stroke: "black", strokeWidth: 3 }, marginalProfit: { stroke: "green", strokeWidth: 3 }, breakEven: { stroke: "rgba(69,171,235,1)", strokeWidth: 3 } }; }
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>GrapeCity Wijmo FlexChart Break-Even Chart</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 class="container-fluid"> <div class="row"> <label for="safetyMargin">安全マージン:</label> <input id="safetyMargin" type="checkbox" checked="true"> <label for="salesRevenue">売上高:</label> <input id="salesRevenue" type="checkbox" checked="true"> </div> <div class="row"> <label for="totalCost">総費用:</label> <input id="totalCost" type="checkbox" checked="true"> <label for="fixedCost">固定費:</label> <input id="fixedCost" type="checkbox" checked="true"> <label for="variableCost">変動費:</label> <input id="variableCost" type="checkbox" checked="true"> </div> <div class="row"> <label for="marginalProfit">限界利益:</label> <input id="marginalProfit" type="checkbox" checked="true"> <label for="breakEven">損益分岐点:</label> <input id="breakEven" type="checkbox" checked="true"> </div> <div id="theChart"></div> </div> </body> </html>
.wj-flexchart { height: 300px; } label { width: 120px; text-align: right; } body { margin-bottom: 24pt; }
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