上传文件至 /
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go.html
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go.html
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<!DOCTYPE html>
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<html lang="zh-CN">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>XLS文件上传和导出</title>
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<link rel="stylesheet" href="https://cdn.bootcdn.net/ajax/libs/twitter-bootstrap/4.5.2/css/bootstrap.min.css">
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<style>
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body {
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background-color: #f8f9fa;
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}
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.container {
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max-width: 600px;
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margin: 50px auto;
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padding: 20px;
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border: 1px solid #dee2e6;
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border-radius: 5px;
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box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
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background-color: #ffffff;
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}
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.form-group {
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margin-bottom: 20px;
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}
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.btn-primary {
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width: 100%;
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background-color: #007bff;
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border-color: #007bff;
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}
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.btn-primary:hover {
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background-color: #0056b3;
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border-color: #0056b3;
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}
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.form-control-file {
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border: 1px solid #ced4da;
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border-radius: 0.25rem;
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padding: 0.375rem 0.75rem;
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}
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.form-control-file:hover {
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border-color: #007bff;
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}
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.text-center {
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color: #343a40;
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}
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</style>
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</head>
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<body>
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<div class="container">
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<h2 class="text-center">XLS文件上传和导出</h2>
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<form>
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<div class="form-group">
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<p class="text-muted">请使用此功能上传 XLS 文件，并根据您的需求提取指定字段的数据进行导出。您可以选择要导出的起始行，确保您的文件格式符合要求。</p>
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</div>
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<div class="form-group">
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<label for="fileInput">选择 Excel 文件</label>
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<input type="file" class="form-control-file" id="fileInput" accept=".xls,.xlsx">
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</div>
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<div class="form-group">
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<label for="startRowInput">从第几行开始导出（从 1 开始）</label>
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<input type="number" class="form-control" id="startRowInput" value="1" min="1">
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</div>
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<button type="button" class="btn btn-primary" id="exportButton">导出</button>
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</form>
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</div>
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<script src="https://cdn.bootcdn.net/ajax/libs/xlsx/0.18.5/xlsx.full.min.js"></script>
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<script src="https://cdn.bootcdn.net/ajax/libs/jquery/3.5.1/jquery.slim.min.js"></script>
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<script src="https://cdn.bootcdn.net/ajax/libs/popper.js/2.5.4/umd/popper.min.js"></script>
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<script src="https://cdn.bootcdn.net/ajax/libs/twitter-bootstrap/4.5.2/js/bootstrap.min.js"></script>
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<script>
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document.getElementById('exportButton').onclick = function() {
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const fileInput = document.getElementById('fileInput');
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const file = fileInput.files[0];
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const startRowInput = document.getElementById('startRowInput');
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const startRow = parseInt(startRowInput.value) - 1; // 转换为从 0 开始的索引
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if (file) {
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const reader = new FileReader();
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reader.onload = function(e) {
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const data = new Uint8Array(e.target.result);
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const workbook = XLSX.read(data, { type: 'array' });
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const firstSheetName = workbook.SheetNames[0];
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const worksheet = workbook.Sheets[firstSheetName];
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// 获取原始工作表的 JSON 数据
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const originalData = XLSX.utils.sheet_to_json(worksheet, { raw: false });
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// 假设我们要提取的 5 个字段是 '字段1', '字段2', '字段3', '字段4', '字段5'
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const fieldsToExtract = ['姓名', '部门', '账号', '入职日期'];
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const extractedData = [];
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// 从指定行开始提取数据
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for (let i = startRow; i < originalData.length; i++) {
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let newRow = {};
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fieldsToExtract.forEach(field => {
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if (originalData[i][field]!== undefined) {
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newRow[field] = originalData[i][field];
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}
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});
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extractedData.push(newRow);
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}
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// 将提取的数据转换为工作表
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const newWorksheet = XLSX.utils.json_to_sheet(extractedData);
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// 计算每列的最大宽度
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const columnWidths = [];
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extractedData.forEach(row => {
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Object.keys(row).forEach((key, index) => {
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const value = row[key]? row[key].toString() : '';
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if (!columnWidths[index] || columnWidths[index] < value.length) {
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columnWidths[index] = value.length;
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}
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});
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});
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// 设置列宽
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columnWidths.forEach((width, index) => {
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newWorksheet['!cols'] = newWorksheet['!cols'] || [];
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newWorksheet['!cols'][index] = { wch: width + 2 }; // 增加额外的宽度
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});
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const newWorkbook = XLSX.utils.book_new();
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XLSX.utils.book_append_sheet(newWorkbook, newWorksheet, '新工作表');
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const newFileName = '输出.xls';
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XLSX.writeFile(newWorkbook, newFileName);
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};
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reader.readAsArrayBuffer(file);
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} else {
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alert('请先选择一个文件');
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}
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};
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</script>
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</body>
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</html>
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