グリッド:データの下に集計

データの下に集計を表示するには、集計する列のaggregateプロパティを設定し、グリッドのcolumnFooterパネルにGroupRowを追加します。

import 'bootstrap.css'; import '@grapecity/wijmo.styles/wijmo.css'; import './styles.css'; import * as wjGrid from '@grapecity/wijmo.grid'; document.readyState === 'complete' ? init() : window.onload = init; function init() { // generate some random data var countries = 'アメリカ,ドイツ,イギリス,日本,イタリア,ギリシャ'.split(','), products = 'スマートフォン,パソコン,カメラ,オーディオ'.split(','), data = []; for (var i = 0; i < 200; i++) { data.push({ id: i, country: countries[i % countries.length], product: products[i % products.length], sales: Math.random() * 10000, expenses: Math.random() * 5000, }); } // show aggregates below the data var theGrid = new wjGrid.FlexGrid('#theGrid', { autoGenerateColumns: false, columns: [ { binding: 'id', header: 'ID', width: 60, isReadOnly: true }, { binding: 'country', header: '国' }, { binding: 'product', header: '商品' }, { binding: 'sales', header: '売上', aggregate: 'Sum' }, { binding: 'expenses', header: '費用', aggregate: 'Sum' } ], itemsSource: data }); theGrid.columnFooters.rows.push(new wjGrid.GroupRow()); theGrid.bottomLeftCells.setCellData(0, 0, 'Σ'); }
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>GrapeCity Wijmo FlexGrid Aggregate Below the Data</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 id="theGrid"> </div> </div> </body> </html>
.wj-flexgrid { max-height: 250px; margin: 10px 0; } body { margin-bottom: 20px; }
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