测量单元格值的宽度和高度，单位为像素。
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有时候您需要计算单元格值的宽度和高度，以使单元格值适合单元格内。Aspose.Cells 为此目的提供了 Cell.widthOfValue 和 Cell.heightOfValue 方法。通过使用这些方法，您可以计算单元格值的宽度和高度，然后分别设置该单元格的列宽和行高，从而调整或使单元格值适合单元格内。
以下代码说明了Cell.widthOfValue和Cell.heightOfValue方法的使用。
<!DOCTYPE html>
<html>
<head>
<title>Aspose.Cells Example</title>
</head>
<body>
<h1>Get Cell Size 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');
// Create or load workbook
let workbook;
if (fileInput.files.length) {
const file = fileInput.files[0];
const arrayBuffer = await file.arrayBuffer();
workbook = new Workbook(new Uint8Array(arrayBuffer));
} else {
workbook = new Workbook();
}
// Access first worksheet
const worksheet = workbook.worksheets.get(0);
// Access cell B2 and add some value inside it
const cell = worksheet.cells.get("B2");
cell.value = "Welcome to Aspose!";
// Enlarge its font to size 16
const style = cell.style;
style.font.size = 16;
cell.style = style;
// Calculate the width and height of the cell value in unit of pixels
const widthOfValue = cell.widthOfValue;
const heightOfValue = cell.heightOfValue;
// Print both values to the page
document.getElementById('result').innerHTML = `<p>Width of Cell Value: ${widthOfValue}</p><p>Height of Cell Value: ${heightOfValue}</p>`;
// Set the row height and column width to adjust/fit the cell value inside cell
worksheet.cells.setColumnWidthPixel(1, widthOfValue);
worksheet.cells.setRowHeightPixel(1, heightOfValue);
// Save the output excel file 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_out.xlsx';
downloadLink.style.display = 'block';
downloadLink.textContent = 'Download Excel File';
});
</script>
</html>