Sätt standardteckensnitt när du renderar kalkylblad till HTML med JavaScript via C++

Ställ in standardtypsnittet vid rendering av kalkylblad till HTML

Den följande exempelkoden skapar en arbetsbok och lägger till lite text i cellen B4 på den första arbetsbladet och anger dess font till någon okänd/icke-existerande font. Sedan sparar den arbetsboken i HTML genom att ange olika standardfontnamn som Courier New, Arial, Times New Roman, osv.

Skärmbilden visar effekten av att ställa in olika standardteckensnittsnamn via HtmlSaveOptions.defaultFontName egenskap.

todo:image_alt_text

Koden genererar utmatnings-HTML-fil med Courier New, utmatnings-HTML med Arial och utmatnings-HTML-fil med Times New Roman.

Exempelkod

<!DOCTYPE html>
<html>
    <head>
        <title>Aspose.Cells Example</title>
    </head>
    <body>
        <h1>Aspose.Cells Example</h1>
        <input type="file" id="fileInput" accept=".xls,.xlsx,.csv" />
        <button id="runExample">Run Example</button>
        <a id="downloadLink1" style="display: none;">Download Result 1</a><br/>
        <a id="downloadLink2" style="display: none;">Download Result 2</a><br/>
        <a id="downloadLink3" style="display: none;">Download Result 3</a>
        <div id="result"></div>
    </body>

    <script src="aspose.cells.js.min.js"></script>
    <script type="text/javascript">
        const { Workbook, SaveFormat, HtmlSaveOptions, 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 () => {
            // Creating a new workbook and accessing first worksheet.
            const wb = new Workbook();
            const ws = wb.worksheets.get(0);

            // Access cell B4 and add some text inside it.
            const cell = ws.cells.get("B4");
            cell.value = "This text has some unknown or invalid font which does not exist.";

            // Set the font of cell B4 which is unknown.
            const st = cell.style;
            st.font.name = "UnknownNotExist";
            st.font.size = 20;
            cell.style = st;

            // Prepare HtmlSaveOptions and save three variants with different default fonts.
            const opts = new HtmlSaveOptions();

            // 1) Default font Courier New
            opts.defaultFontName = "Courier New";
            const outputData1 = wb.save(SaveFormat.Html, opts);
            const blob1 = new Blob([outputData1], { type: "text/html" });
            const downloadLink1 = document.getElementById('downloadLink1');
            downloadLink1.href = URL.createObjectURL(blob1);
            downloadLink1.download = 'out_courier_new_out.htm';
            downloadLink1.style.display = 'block';
            downloadLink1.textContent = 'Download out_courier_new_out.htm';

            // 2) Default font Arial
            opts.defaultFontName = "Arial";
            const outputData2 = wb.save(SaveFormat.Html, opts);
            const blob2 = new Blob([outputData2], { type: "text/html" });
            const downloadLink2 = document.getElementById('downloadLink2');
            downloadLink2.href = URL.createObjectURL(blob2);
            downloadLink2.download = 'out_arial_out.htm';
            downloadLink2.style.display = 'block';
            downloadLink2.textContent = 'Download out_arial_out.htm';

            // 3) Default font Times New Roman
            opts.defaultFontName = "Times New Roman";
            const outputData3 = wb.save(SaveFormat.Html, opts);
            const blob3 = new Blob([outputData3], { type: "text/html" });
            const downloadLink3 = document.getElementById('downloadLink3');
            downloadLink3.href = URL.createObjectURL(blob3);
            downloadLink3.download = 'times_new_roman_out.htm';
            downloadLink3.style.display = 'block';
            downloadLink3.textContent = 'Download times_new_roman_out.htm';

            document.getElementById('result').innerHTML = '<p style="color: green;">Files generated successfully. Click the download links above to save the HTML files.</p>';
        });
    </script>
</html>