使用JavaScript通过C++删除工作表中的重复行
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移除重复行是 Microsoft Excel 的许多实用功能之一。它允许用户删除工作表中的重复行，你可以选择检查哪些列是否存在重复信息。
Aspose.Cells for JavaScript通过C++提供了Cells.removeDuplicates()方法用于此目的。你还可以设置startRow、startColumn、endRow和endColumn以指定要检查重复的列范围。
以下是可以下载以进行此功能测试的样本文件：
<!DOCTYPE html>
<html>
<head>
<title>Aspose.Cells Example</title>
</head>
<body>
<h1>Remove Duplicates Example</h1>
<input type="file" id="fileInput" accept=".xls,.xlsx" />
<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, Utils } = 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');
const resultDiv = document.getElementById('result');
if (!fileInput.files.length) {
resultDiv.innerHTML = '<p style="color: red;">Please select an Excel file.</p>';
return;
}
const file = fileInput.files[0];
const arrayBuffer = await file.arrayBuffer();
// Create workbook from uploaded file
const book = new Workbook(new Uint8Array(arrayBuffer));
// Remove Duplicate (converted getters to properties)
book.worksheets.get(0).cells.removeDuplicates(0, 0, 5, 3);
// Save result and provide download link
const outputData = book.save(SaveFormat.Xlsx);
const blob = new Blob([outputData]);
const downloadLink = document.getElementById('downloadLink');
downloadLink.href = URL.createObjectURL(blob);
downloadLink.download = 'removeduplicates-result.xlsx';
downloadLink.style.display = 'block';
downloadLink.textContent = 'Download Result';
resultDiv.innerHTML = '<p style="color: green;">Duplicates removed successfully! Click the download link to get the modified file.</p>';
});
</script>
</html>