在 JavaScript 通过 C++ 使用 HtmlSaveOptions.tableCssId 属性前缀表格元素样式
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可能的使用场景
Aspose.Cells 允许您使用 HtmlSaveOptions.tableCssId 属性为表格元素样式添加前缀。假设您将此属性设置为某个值，比如 MyTest_TableCssId，那么您会看到如下所示的表格元素样式：
table#MyTest_TableCssId
#MyTest_TableCssId tr
#MyTest_TableCssId col
#MyTest_TableCssId br
etc.
以下截图显示了使用 HtmlSaveOptions.tableCssId 属性对输出 HTML 产生的效果。
使用 HtmlSaveOptions.tableCssId 属性前缀表格元素样式
以下示例代码演示了如何使用 HtmlSaveOptions.tableCssId 属性。请查看由代码生成的输出 HTML作为参考。
示例代码
<!DOCTYPE html>
<html>
<head>
<title>Aspose.Cells Example</title>
</head>
<body>
<h1>Aspose.Cells Example - Set Cell Style and Save as HTML with Table CSS ID</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, HtmlSaveOptions, Color } = 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 === 0) {
// No file selected - create a new workbook as in original JavaScript sample
const wb = new Workbook();
// Access first worksheet
const ws = wb.worksheets.get(0);
// Access cell B5 and put value inside it
const cell = ws.cells.get("B5");
cell.value = "This is some text.";
// Set the style of the cell - font color is Red
const st = cell.style;
st.font.color = Color.Red;
cell.style = st;
// Specify html save options - specify table css id
const opts = new HtmlSaveOptions();
opts.tableCssId = "MyTest_TableCssId";
// Save the workbook in html
const outputData = wb.save(SaveFormat.Html, opts);
const blob = new Blob([outputData], { type: 'text/html' });
const downloadLink = document.getElementById('downloadLink');
downloadLink.href = URL.createObjectURL(blob);
downloadLink.download = 'outputTableCssId.html';
downloadLink.style.display = 'block';
downloadLink.textContent = 'Download HTML File';
document.getElementById('result').innerHTML = '<p style="color: green;">Operation completed successfully! Click the download link to get the HTML file.</p>';
return;
}
// If a file is provided, open it and apply the same changes
const file = fileInput.files[0];
const arrayBuffer = await file.arrayBuffer();
const wb = new Workbook(new Uint8Array(arrayBuffer));
// Access first worksheet
const ws = wb.worksheets.get(0);
// Access cell B5 and put value inside it
const cell = ws.cells.get("B5");
cell.value = "This is some text.";
// Set the style of the cell - font color is Red
const st = cell.style;
st.font.color = Color.Red;
cell.style = st;
// Specify html save options - specify table css id
const opts = new HtmlSaveOptions();
opts.tableCssId = "MyTest_TableCssId";
// Save the workbook in html
const outputData = wb.save(SaveFormat.Html, opts);
const blob = new Blob([outputData], { type: 'text/html' });
const downloadLink = document.getElementById('downloadLink');
downloadLink.href = URL.createObjectURL(blob);
downloadLink.download = 'outputTableCssId.html';
downloadLink.style.display = 'block';
downloadLink.textContent = 'Download HTML File';
document.getElementById('result').innerHTML = '<p style="color: green;">Operation completed successfully! Click the download link to get the HTML file.</p>';
});
</script>
</html>