在共享工作簿中更新保留修订日志的天数，使用 JavaScript 通过 C++
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可能的使用场景
当你共享一个工作簿时，会出现一个选项“保留更改历史N天”，如下图所示。你可以使用 Aspose.Cells for JavaScript 通过 C++ 的 WorksheetCollection.daysPreservingHistory 属性来更新保留历史的天数。
在共享工作簿中保留修订日志的更新日志
以下示例代码创建一个空白工作簿，然后共享它并将修订日志天数修改为7天，通常是30天。请参考代码生成的输出Excel文件。
示例代码
<!DOCTYPE html>
<html>
<head>
<title>Aspose.Cells Example - Shared Workbook</title>
</head>
<body>
<h1>Shared Workbook - DaysPreservingHistory Example</h1>
<input type="file" id="fileInput" accept=".xls,.xlsx,.csv" />
<button id="runExample">Create Shared Workbook</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 () => {
// Create empty workbook
const workbook = new Workbook();
// Share the workbook
workbook.settings.shared = true;
// Update DaysPreservingHistory of RevisionLogs
workbook.worksheets.revisionLogs.daysPreservingHistory = 7;
// Save the 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 = 'outputShared_DaysPreservingHistory.xlsx';
downloadLink.style.display = 'block';
downloadLink.textContent = 'Download Excel File';
document.getElementById('result').innerHTML = '<p style="color: green;">Workbook created and configured. Click the download link to save the file.</p>';
});
</script>
</html>