用JavaScript通过C++在文档信息面板中添加自定义属性
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在文档信息面板中可见的自定义属性
Aspose.Cells for JavaScript通过C++可以用来在工作簿对象中添加自定义属性，这些属性在文档信息面板中可见。你可以在Microsoft Excel中通过文件 > 信息 > 属性 > 显示文档面板命令打开文档信息面板。
请使用 ContentTypePropertyCollection.add(string, string) 方法添加自定义属性，这些属性将在文档信息面板中显示。
以下示例代码添加了两个自定义属性，第一个没有设定类型，第二个设为日期时间类型。一旦打开由此代码生成的输出Excel文件，你会在文档信息面板中看到这两个属性。
<!DOCTYPE html>
<html>
<head>
<title>Aspose.Cells Example</title>
</head>
<body>
<h1>Adding Custom Properties Example</h1>
<input type="file" id="fileInput" accept=".xls,.xlsx,.csv" />
<button id="runExample">Create Workbook with Custom Properties</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 workbook object
const workbook = new Workbook();
// Add simple property without any type
workbook.contentTypeProperties.add("MK31", "Simple Data");
// Add date time property with type
workbook.contentTypeProperties.add("MK32", "04-Mar-2015", "DateTime");
// Save the workbook
const outputData = workbook.save(SaveFormat.Xlsx);
const blob = new Blob([outputData]);
const downloadLink = document.getElementById('downloadLink');
downloadLink.href = URL.createObjectURL(blob);
downloadLink.download = 'AddingCustomPropertiesVisible_out.xlsx';
downloadLink.style.display = 'block';
downloadLink.textContent = 'Download Excel File';
document.getElementById('result').innerHTML = '<p style="color: green;">Workbook created and saved. Click the download link to get the file.</p>';
});
</script>
</html>