Actualiser automatiquement l’objet OLE via Microsoft Excel en utilisant Aspose.Cells for JavaScript via C++

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Le code d’exemple suivant charge le fichier Excel d’exemple qui contient une image OLE non réelle. L’objet OLE est en fait un document Microsoft Word mais le fichier Excel d’exemple affiche l’image d’animal au lieu de l’image de Microsoft Word. Mais si vous ouvrez le fichier Excel de sortie, vous verrez que Microsoft Excel affiche l’image OLE correcte.

<!DOCTYPE html>
<html>
    <head>
        <title>Refresh OLE Objects Example</title>
    </head>
    <body>
        <h1>Refresh OLE Objects 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));

            // Access first worksheet
            const sheet = workbook.worksheets.get(0);

            // Set auto load property of first ole object to true
            sheet.oleObjects.get(0).autoLoad = true;

            // Save the workbook in xlsx format and provide download link
            const outputData = workbook.save(SaveFormat.Xlsx);
            const blob = new Blob([outputData]);
            const downloadLink = document.getElementById('downloadLink');
            downloadLink.href = URL.createObjectURL(blob);
            downloadLink.download = 'RefreshOLEObjects_out.xlsx';
            downloadLink.style.display = 'block';
            downloadLink.textContent = 'Download Modified Excel File';

            document.getElementById('result').innerHTML = '<p style="color: green;">OLE object autoLoad set to true. Click the download link to get the modified file.</p>';
        });
    </script>
</html>
Obtenir ou définir l’identifiant de classe de l’objet OLE incorporé avec JavaScript via C++