插入切片器
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可能的使用场景
切片器用于快速筛选数据。它可以用于筛选表格或数据透视表中的数据。Microsoft Excel允许您通过选择表格或数据透视表，然后点击 插入 > 切片器 来创建切片器。Aspose.Cells for JavaScript via C++还允许您使用 Worksheet.slicers.add() 方法创建切片器。
为数据透视表创建切片器
请查看以下示例代码。它加载包含数据透视表的示例Excel文件，然后基于第一个基础数据透视字段创建切片器，最后将工作簿保存为输出 XLSX和输出 XLSB格式。下图显示了由Aspose.Cells for JavaScript via C++在输出Excel文件中创建的切片器。
示例代码
<!DOCTYPE html>
<html>
<head>
<title>Aspose.Cells Example - Create Slicer to PivotTable</title>
</head>
<body>
<h1>Create Slicer to PivotTable Example</h1>
<input type="file" id="fileInput" accept=".xls,.xlsx,.xlsb,.csv" />
<button id="runExample">Run Example</button>
<br/><br/>
<a id="downloadXlsxLink" style="display: none;">Download XLSX Result</a>
<br/>
<a id="downloadXlsbLink" style="display: none;">Download XLSB Result</a>
<div id="result"></div>
</body>
<script src="aspose.cells.js.min.js"></script>
<script type="text/javascript">
const { Workbook, SaveFormat, Worksheet, Cell } = 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 (e.g., sampleCreateSlicerToPivotTable.xlsx).</p>';
return;
}
const file = fileInput.files[0];
const arrayBuffer = await file.arrayBuffer();
// Instantiating a Workbook object from the uploaded file
const wb = new Workbook(new Uint8Array(arrayBuffer));
// Access first worksheet.
const ws = wb.worksheets.get(0);
// Access first pivot table inside the worksheet.
const pt = ws.pivotTables.get(0);
// Add slicer relating to pivot table with first base field at cell B22.
const idx = ws.slicers.add(pt, "B22", pt.baseFields.get(0));
// Access the newly added slicer from slicer collection.
const slicer = ws.slicers.get(idx);
// Save the workbook in output XLSX format.
const outputDataXlsx = wb.save(SaveFormat.Xlsx);
const blobXlsx = new Blob([outputDataXlsx]);
const downloadXlsxLink = document.getElementById('downloadXlsxLink');
downloadXlsxLink.href = URL.createObjectURL(blobXlsx);
downloadXlsxLink.download = 'outputCreateSlicerToPivotTable.xlsx';
downloadXlsxLink.style.display = 'inline';
downloadXlsxLink.textContent = 'Download outputCreateSlicerToPivotTable.xlsx';
// Save the workbook in output XLSB format.
const outputDataXlsb = wb.save(SaveFormat.Xlsb);
const blobXlsb = new Blob([outputDataXlsb]);
const downloadXlsbLink = document.getElementById('downloadXlsbLink');
downloadXlsbLink.href = URL.createObjectURL(blobXlsb);
downloadXlsbLink.download = 'outputCreateSlicerToPivotTable.xlsb';
downloadXlsbLink.style.display = 'inline';
downloadXlsbLink.textContent = 'Download outputCreateSlicerToPivotTable.xlsb';
document.getElementById('result').innerHTML = '<p style="color: green;">Slicer created and files are ready for download.</p>';
});
</script>
</html>
为Excel表创建切片器
请查看以下示例代码。它加载包含数据表的sample Excel file，然后基于第一列创建切片器。最后，将工作簿保存为output XLSX格式。
示例代码
<!DOCTYPE html>
<html>
<head>
<title>Create Slicer to Excel Table Example</title>
</head>
<body>
<h1>Create Slicer to Excel Table 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;
let asposeReady = false;
AsposeCells.onReady({
license: "/lic/aspose.cells.enc",
fontPath: "/fonts/",
fontList: [
"arial.ttf",
"NotoSansSC-Regular.ttf"
]
}).then(() => {
console.log("Aspose.Cells initialized");
asposeReady = true;
});
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;
}
if (!asposeReady) {
document.getElementById('result').innerHTML = '<p style="color: red;">Aspose.Cells is not initialized yet. Please wait and try again.</p>';
return;
}
const file = fileInput.files[0];
const arrayBuffer = await file.arrayBuffer();
// Instantiating a Workbook object by opening the uploaded file
const workbook = new Workbook(new Uint8Array(arrayBuffer));
// Access first worksheet.
const worksheet = workbook.worksheets.get(0);
// Access first table inside the worksheet.
const table = worksheet.listObjects.get(0);
// Add slicer
const idx = worksheet.slicers.add(table, 0, "H5");
// Saving the modified Excel file
const outputData = workbook.save(SaveFormat.Xlsx);
const blob = new Blob([outputData]);
const downloadLink = document.getElementById('downloadLink');
downloadLink.href = URL.createObjectURL(blob);
downloadLink.download = 'outputCreateSlicerToExcelTable.xlsx';
downloadLink.style.display = 'block';
downloadLink.textContent = 'Download Modified Excel File';
document.getElementById('result').innerHTML = '<p style="color: green;">Slicer added successfully! Click the download link to get the modified file.</p>';
});
</script>
</html>