JavaScript Czytaj plik XLSX
const xlsx = require('xlsx');
const xlsxToJson = (filePath, sheetName) => {
const workbook = xlsx.readFile(filePath);
const sheet = workbook.Sheets[sheetName];
return xlsx.utils.sheet_to_json(sheet);
};
const jsonSheet = xlsxToJson('./test.xlsx', 'Sheet1');
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