使用JavaScript通过C++格式化区域

可能的使用场景

当您需要对一组范围应用样式时,可以使用范围格式化。

如何在Excel中格式化范围

要在Excel中格式化一系列单元格,您可以使用Excel提供的内置格式选项。以下是如何直接在Excel中格式化一系列单元格的方法:

  1. 打开Excel并打开包含要格式化的范围的工作簿。

  2. 选择您要格式化的单元格范围。您可以单击并拖动以选择范围,或者您可以使用诸如Shift+箭头键之类的键盘快捷键来扩展选择。

  3. 选择范围后,右键单击所选范围,然后从上下文菜单中选择“格式单元格”。或者,您可以转到ExcelRibbon中的“主页”选项卡,在“单元格”组中的“格式”下拉菜单中单击“格式单元格”进行选择。

  4. “格式单元格”对话框将会出现。在这里,您可以选择各种格式选项来应用于所选范围。例如,您可以更改字体样式、字体大小、字体颜色、数字格式、边框、背景颜色等。在对话框中探索不同的标签以访问各种格式选项。

  5. 在进行所需的格式更改后,单击“确定”按钮以将格式应用于所选范围。

如何使用JavaScript格式化区域

使用Aspose.Cells for JavaScript via C++对区域进行格式化,可以使用以下方法:

  1. Range.applyStyle(样式, 标志)
  2. Range.style
  3. Range.style

示例代码

在此示例中,我们创建一个Excel工作簿,添加一些示例数据,访问第一个工作表,并定义两个范围(“A1:C3"和"A4:C5”)。然后,我们创建新样式,设置各种格式选项(如字体颜色,加粗),并将样式应用到范围。最后,我们将工作簿保存到一个新文件。


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<!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="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();

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

            // Get the first worksheet
            const ws = workbook.worksheets.get(0);

            const cells = ws.cells;

            // Setting the value to the cells (converted putValue -> value)
            let cell = cells.get("A1");
            cell.value = "Fruit";
            cell = cells.get("B1");
            cell.value = "Count";
            cell = cells.get("C1");
            cell.value = "Price";

            cell = cells.get("A2");
            cell.value = "Apple";
            cell = cells.get("A3");
            cell.value = "Mango";
            cell = cells.get("A4");
            cell.value = "Blackberry";
            cell = cells.get("A5");
            cell.value = "Cherry";

            cell = cells.get("B2");
            cell.value = 5;
            cell = cells.get("B3");
            cell.value = 3;
            cell = cells.get("B4");
            cell.value = 6;
            cell = cells.get("B5");
            cell.value = 4;

            cell = cells.get("C2");
            cell.value = 5;
            cell = cells.get("C3");
            cell.value = 20;
            cell = cells.get("C4");
            cell.value = 30;
            cell = cells.get("C5");
            cell.value = 60;

            // Access the worksheet (already have ws, but keep variable for clarity)
            const worksheet = workbook.worksheets.get(0);

            // Define the range
            const range = worksheet.cells.createRange("A1:C3");

            // Apply formatting to the range
            const style = workbook.createStyle();
            style.font.color = AsposeCells.Color.Red;
            style.font.isBold = true;

            const flag = new AsposeCells.StyleFlag();
            flag.font = true;
            range.applyStyle(style, flag);

            // Define the range
            const range2 = worksheet.cells.createRange("A4:C5");

            // Apply formatting to the range
            const style2 = workbook.createStyle();
            style2.font.color = AsposeCells.Color.Blue;
            style2.font.isItalic = true;
            range2.setStyle(style2);

            // Save the modified workbook 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 = 'output.xlsx';
            downloadLink.style.display = 'block';
            downloadLink.textContent = 'Download Excel File';

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