用JavaScript和C++格式化切片器
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可能的使用场景
您可以通过设置列数或样式等方式，在Microsoft Excel中格式化切片器。Aspose.Cells for JavaScript通过C++也允许您使用Slicer.numberOfColumns和Slicer.styleType属性来实现此操作。
格式化切片器
请参见以下代码，它加载包含切片器的示例Excel文件，访问切片器并设置其列数和样式类型，然后将其保存为输出Excel文件。屏幕截图显示了代码执行后切片器的外观。
示例代码
<!DOCTYPE html>
<html>
<head>
<title>Aspose.Cells Slicer Formatting Example</title>
</head>
<body>
<h1>Slicer Formatting 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();
// Instantiate Workbook from uploaded file
const wb = new Workbook(new Uint8Array(arrayBuffer));
// Access first worksheet
const ws = wb.worksheets.get(0);
// Access the first slicer inside the slicer collection
const slicer = ws.slicers.get(0);
// Set the number of columns of the slicer
slicer.numberOfColumns = 2;
// Set the type of slicer style
slicer.styleType = AsposeCells.SlicerStyleType.SlicerStyleLight6;
// Save the workbook in output XLSX format
const outputData = wb.save(SaveFormat.Xlsx);
const blob = new Blob([outputData]);
const downloadLink = document.getElementById('downloadLink');
downloadLink.href = URL.createObjectURL(blob);
downloadLink.download = 'outputFormattingSlicer.xlsx';
downloadLink.style.display = 'block';
downloadLink.textContent = 'Download Modified Excel File';
document.getElementById('result').innerHTML = '<p style="color: green;">Slicer formatting updated successfully! Click the download link to get the modified file.</p>';
});
</script>
</html>