Excel I/O

FlexSheet에서는 'save''load' 메서드를 사용하여 Excel(xlsx) 파일을 가져오고 내보낼 수 있습니다. 또한 saveAsyncloadAsync 메소드를 사용하여 파일을 비동기적으로 저장 및 로드할 수 있습니다. FlexSheet는 파일에 포함된 모든 스타일도 가져오고 내보낼 수 있습니다.

import 'bootstrap.css'; import '@grapecity/wijmo.styles/wijmo.css'; import './styles.css'; import * as wjGrid from '@grapecity/wijmo.grid'; import * as wjFlexSheet from '@grapecity/wijmo.grid.sheet'; import { getData, getCountries, getProducts } from './data'; // document.readyState === 'complete' ? init() : window.onload = init; // function init() { let excelIOSheet = new wjFlexSheet.FlexSheet('#excelIOSheet'); excelIOSheet.addBoundSheet('Country', getData(50)); excelIOSheet.addUnboundSheet('Unbound', 20, 8); excelIOSheet.deferUpdate(() => { let sheetIdx, sheetName, colIdx, rowIdx; for (sheetIdx = excelIOSheet.sheets.length - 1; sheetIdx >= 0; sheetIdx--) { excelIOSheet.selectedSheetIndex = sheetIdx; sheetName = excelIOSheet.selectedSheet.name; if (sheetName === 'Country') { // initialize the dataMap for the bound sheet. initDataMapForBindingSheet(excelIOSheet); } else { for (colIdx = 0; colIdx < excelIOSheet.columns.length; colIdx++) { for (rowIdx = 0; rowIdx < excelIOSheet.rows.length; rowIdx++) { excelIOSheet.setCellData(rowIdx, colIdx, colIdx + rowIdx); } } } } }); onClick('loadXlsx', () => { let fileInput = document.querySelector('#importFile'); if (fileInput.files[0]) { excelIOSheet.loadAsync(fileInput.files[0]); } }); onClick('saveXlsx', () => { let fileName = document.querySelector('#fileName').value; if (fileName == null || fileName === '') { fileName = 'FlexSheet.xlsx'; } excelIOSheet.saveAsync(fileName); }); // initialize the dataMap for the bound sheet. function initDataMapForBindingSheet(flexSheet) { let column; if (flexSheet) { column = flexSheet.columns.getColumn('countryId'); if (column && !column.dataMap) { column.dataMap = buildDataMap(getCountries()); } column = flexSheet.columns.getColumn('productId'); if (column && !column.dataMap) { column.dataMap = buildDataMap(getProducts()); } column = flexSheet.columns.getColumn('amount'); if (column) { column.format = 'c2'; } } } // build a data map from a string array using the indices as keys function buildDataMap(items) { let map = []; for (let i = 0; i < items.length; i++) { map.push({ key: i, value: items[i] }); } return new wjGrid.DataMap(map, 'key', 'value'); } function onClick(id, fn) { document.querySelector('#' + id).addEventListener('click', fn); } }
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>GrapeCity Wijmo FlexSheet Excel I/O</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="excelIOSheet"></div> <div class="form-inline well well-lg"> <input type="file" class="form-control" id="importFile" accept="application/vnd.openxmlformats-officedocument.spreadsheetml.sheet" /> <button id="loadXlsx" class="btn btn-default">Load</button> </div> <div class="form-inline well well-lg"> File Name: <input id="fileName" type="text" class="form-control" /> <button id="saveXlsx" class="btn btn-default">Save</button> </div> </div> </body> </html>
let countries = ['US', 'Germany', 'UK', 'Japan', 'Italy', 'Greece'], products = ['Widget', 'Gadget', 'Doohickey']; export function getData(count) { let data = [], i = 0, countryId, productId; for (; i < count; i++) { countryId = Math.floor(Math.random() * countries.length); productId = Math.floor(Math.random() * products.length); data.push({ id: i, countryId: countryId, productId: productId, date: new Date(2014, i % 12, i % 28), amount: Math.random() * 10000, active: i % 4 === 0 }); } return data; } export function getCountries() { return countries; } export function getProducts() { return products; }
.wj-flexsheet { height: 400px; margin: 6px 0; }
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