Wie man XLSX im Browser in Angular exportiert & herunterlädt (minimales Beispiel)

Dieses Beispiel verwendet die xlsx-Bibliothek und die file-saver-Bibliothek, um eine (leere) XLSX-Datei zu erstellen und herunterzuladen, alles auf der Client-Seite.

Installieren Sie zunächst die Bibliotheken:

install_deps.sh

npm i --save file-saver xlsx
npm i --save-dev @types/file-saver

npm i --save file-saver xlsx
npm i --save-dev @types/file-saver

Importieren Sie diese mit

export-xlsx.ts

import * as XLSX from 'xlsx';
import { saveAs } from 'file-saver';

import * as XLSX from 'xlsx';
import { saveAs } from 'file-saver';

Hier ist der Hauptteil des Codes, der die XLSX-Datei erstellt:

export-xlsx.ts

// Create an empty workbook
const wb = XLSX.utils.book_new();

// Create an empty worksheet
// If this weren't a minimal example, your data would go here
const ws = XLSX.utils.aoa_to_sheet([[]]);

// Add the worksheet to the workbook
XLSX.utils.book_append_sheet(wb, ws, 'Sheet1');

// Export the workbook to XLSX format
const wbout = XLSX.write(wb, { bookType: 'xlsx', type: 'buffer' });

// Convert the binary data to a Blob
const blob = new Blob([wbout], { type: 'application/vnd.ms-excel' });

// Download of the file using file-saver
saveAs(blob, 'example.xlsx');

// Create an empty workbook
const wb = XLSX.utils.book_new();

// Create an empty worksheet
// If this weren't a minimal example, your data would go here
const ws = XLSX.utils.aoa_to_sheet([[]]);

// Add the worksheet to the workbook
XLSX.utils.book_append_sheet(wb, ws, 'Sheet1');

// Export the workbook to XLSX format
const wbout = XLSX.write(wb, { bookType: 'xlsx', type: 'buffer' });

// Convert the binary data to a Blob
const blob = new Blob([wbout], { type: 'application/vnd.ms-excel' });

// Download of the file using file-saver
saveAs(blob, 'example.xlsx');

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