Convert-Excel-to-JSON with JavaScript via C++

Aspose.Cells supports converting a Workbook to JSON (JavaScript Object Notation) file.

Convert Excel Workbook to JSON

No need to wonder how to convert Excel Workbook to JSON, because Aspose.Cells for JavaScript via C++ library provides the best solution. The Aspose.Cells API offers support for converting spreadsheets to JSON format. To export the workbook to JSON, pass SaveFormat.Json as the second parameter of Workbook.save(string, SaveFormat) method. You may also use JsonSaveOptions class to specify additional settings for exporting the worksheet to JSON.

The following code example demonstrates exporting an Excel Workbook to JSON. Please see the code to convert the source file to the JSON file generated by the code for reference.

<!DOCTYPE html>
<html>
    <head>
        <title>Aspose.Cells Example</title>
    </head>
    <body>
        <h1>Convert Excel to JSON Example</h1>
        <input type="file" id="fileInput" accept=".xls,.xlsx,.csv" />
        <button id="runExample">Run Example</button>
        <a id="downloadLink" style="display: none;">Download Result</a>
        <div id="result"></div>
    </body>

    <script src="aspose.cells.js.min.js"></script>
    <script type="text/javascript">
        const { Workbook, SaveFormat, Utils } = AsposeCells;
        
        AsposeCells.onReady({
            license: "/lic/aspose.cells.enc",
            fontPath: "/fonts/",
            fontList: [
                "arial.ttf",
                "NotoSansSC-Regular.ttf"
            ]
        }).then(() => {
            console.log("Aspose.Cells initialized");
        });

        document.getElementById('runExample').addEventListener('click', async () => {
            const fileInput = document.getElementById('fileInput');
            if (!fileInput.files.length) {
                document.getElementById('result').innerHTML = '<p style="color: red;">Please select an Excel file.</p>';
                return;
            }

            const file = fileInput.files[0];
            const arrayBuffer = await file.arrayBuffer();
            
            // Instantiating a Workbook object from the uploaded file
            const workbook = new Workbook(new Uint8Array(arrayBuffer));
            
            // Convert the workbook to JSON
            const outputData = workbook.save(SaveFormat.Json);
            const blob = new Blob([outputData]);
            const downloadLink = document.getElementById('downloadLink');
            downloadLink.href = URL.createObjectURL(blob);
            downloadLink.download = 'sample_out.json';
            downloadLink.style.display = 'block';
            downloadLink.textContent = 'Download JSON File';
            
            document.getElementById('result').innerHTML = '<p style="color: green;">Conversion to JSON completed. Click the download link to get the JSON file.</p>';
        });
    </script>
</html>

The following code example uses the JsonSaveOptions class to specify additional settings and demonstrates exporting an Excel Workbook to JSON. Please see the code to convert the source file to the JSON file generated by the code for reference.

<!DOCTYPE html>
<html>
    <head>
        <title>Aspose.Cells Example</title>
    </head>
    <body>
        <h1>Convert Workbook to JSON Example</h1>
        <input type="file" id="fileInput" accept=".xls,.xlsx,.csv" />
        <button id="runExample">Run Example</button>
        <a id="downloadLink" style="display: none;">Download Result</a>
        <div id="result"></div>
    </body>

    <script src="aspose.cells.js.min.js"></script>
    <script type="text/javascript">
        const { Workbook, SaveFormat, CellArea, JsonSaveOptions, Utils } = AsposeCells;
        
        AsposeCells.onReady({
            license: "/lic/aspose.cells.enc",
            fontPath: "/fonts/",
            fontList: [
                "arial.ttf",
                "NotoSansSC-Regular.ttf"
            ]
        }).then(() => {
            console.log("Aspose.Cells initialized");
        });

        document.getElementById('runExample').addEventListener('click', async () => {
            const fileInput = document.getElementById('fileInput');
            if (!fileInput.files.length) {
                document.getElementById('result').innerHTML = '<p style="color: red;">Please select an Excel file.</p>';
                return;
            }

            const file = fileInput.files[0];
            const arrayBuffer = await file.arrayBuffer();

            // Load your source workbook
            const workbook = new Workbook(new Uint8Array(arrayBuffer));

            // Create an options of saving the file.
            const options = new JsonSaveOptions();

            // Set the exporting range.
            options.exportArea = CellArea.createCellArea("B1", "C4");

            // Convert the workbook to json file.
            const outputData = workbook.save(SaveFormat.Json, options);

            const blob = new Blob([outputData], { type: 'application/json' });
            const downloadLink = document.getElementById('downloadLink');
            downloadLink.href = URL.createObjectURL(blob);
            downloadLink.download = 'sample_out.json';
            downloadLink.style.display = 'block';
            downloadLink.textContent = 'Download JSON File';

            document.getElementById('result').innerHTML = '<p style="color: green;">Conversion completed successfully! Click the download link to get the JSON file.</p>';
        });
    </script>
</html>

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