使用JavaScript通过C++为工作簿渲染指定单独或私有的字体集
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可能的使用场景
通常情况下，你会为所有工作簿指定字体目录或字体列表，但有时你需要为你的工作簿指定单独或私有的字体集。C++的Aspose.Cells for JavaScript提供了IndividualFontConfigs类，可用于为你的工作簿指定单独或私有的字体集。
指定工作簿渲染的个体或私有字体集
以下示例加载了带有单独或私有字体集的 示例Excel文件，使用 IndividualFontConfigs 类指定。请查看示例中的字体文件（67338271.zip）以及由其生成的 PDF（67338269.pdf）。截图显示如果字体成功找到，输出 PDF 的效果。
示例代码
<!DOCTYPE html>
<html>
<head>
<title>Specify Individual Or Private Fonts Example</title>
</head>
<body>
<h1>Specify Individual Or Private Fonts 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, LoadOptions, IndividualFontConfigs } = 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;
}
// Path of your custom font directory.
const customFontsDir = "C:\\TempDir\\CustomFonts";
// Specify individual font configs custom font directory.
const fontConfigs = new IndividualFontConfigs();
// If you comment this line or if custom font directory is wrong or
// if it does not contain required font then output pdf will not be rendered correctly.
// Converted setFontFolder -> property assignment (first argument used)
fontConfigs.fontFolder = customFontsDir;
// Specify load options with font configs.
const opts = new LoadOptions(AsposeCells.LoadFormat.Xlsx);
// Converted setFontConfigs -> property assignment
opts.fontConfigs = fontConfigs;
const file = fileInput.files[0];
const arrayBuffer = await file.arrayBuffer();
// Load the sample Excel file with individual font configs.
const wb = new Workbook(new Uint8Array(arrayBuffer), opts);
// Save to PDF format.
const outputData = wb.save(SaveFormat.Pdf);
const blob = new Blob([outputData], { type: 'application/pdf' });
const downloadLink = document.getElementById('downloadLink');
downloadLink.href = URL.createObjectURL(blob);
downloadLink.download = 'outputSpecifyIndividualOrPrivateSetOfFontsForWorkbookRendering.pdf';
downloadLink.style.display = 'block';
downloadLink.textContent = 'Download PDF File';
document.getElementById('result').innerHTML = '<p style="color: green;">PDF generated successfully! Click the download link to get the file.</p>';
});
</script>
</html>