JavaScript aracılığıyla C++ ile Veri Tablolarının Dizi Formülünü Hesaplama

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Aşağıdaki örnek kodda, kaynak excel dosyası‘ı kullandık. Eğer B1 hücresinin değerini 100 olarak değiştirirseniz, Sarı renkle doldurulan Veri Tablosu değerleri 120 olarak değişir ve çıktı PDF’sini oluşturur. Daha fazla bilgi için yorumları okuyunuz.

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<!DOCTYPE html>
<html>
    <head>
        <title>Aspose.Cells Example</title>
    </head>
    <body>
        <h1>DataTable Calculation 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 } = 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();

            // Creating a Workbook from the uploaded file
            const workbook = new Workbook(new Uint8Array(arrayBuffer));

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

            // When you will put 100 in B1, then all Data Table values formatted as Yellow will become 120
            const cell = worksheet.cells.get("B1");
            cell.putValue(100);

            // Calculate formula, now it also calculates Data Table array formula
            workbook.calculateFormula();

            // Save the workbook in pdf format
            const outputData = workbook.save(SaveFormat.Pdf);
            const blob = new Blob([outputData], { type: "application/pdf" });
            const downloadLink = document.getElementById('downloadLink');
            downloadLink.href = URL.createObjectURL(blob);
            downloadLink.download = 'output_out.pdf';
            downloadLink.style.display = 'block';
            downloadLink.textContent = 'Download PDF File';

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