From 3e949fffe977049de779017f884e31385d6bd22c Mon Sep 17 00:00:00 2001
From: lc <admin@wiz.cn>
Date: Wed, 8 Jan 2025 07:51:33 +0000
Subject: [PATCH] =?UTF-8?q?=E4=B8=8A=E4=BC=A0=E6=96=87=E4=BB=B6=E8=87=B3?=
 =?UTF-8?q?=20/?=
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---
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+<!DOCTYPE html>
+<html lang="zh-CN">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>XLS文件上传和导出</title>
+    <link rel="stylesheet" href="https://cdn.bootcdn.net/ajax/libs/twitter-bootstrap/4.5.2/css/bootstrap.min.css">
+    <style>
+        body {
+            background-color: #f8f9fa; 
+        }
+     .container {
+            max-width: 600px;
+            margin: 50px auto;
+            padding: 20px;
+            border: 1px solid #dee2e6; 
+            border-radius: 5px;
+            box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
+            background-color: #ffffff; 
+        }
+     .form-group {
+            margin-bottom: 20px;
+        }
+     .btn-primary {
+            width: 100%;
+            background-color: #007bff; 
+            border-color: #007bff;
+        }
+     .btn-primary:hover {
+            background-color: #0056b3; 
+            border-color: #0056b3;
+        }
+     .form-control-file {
+            border: 1px solid #ced4da; 
+            border-radius: 0.25rem;
+            padding: 0.375rem 0.75rem;
+        }
+     .form-control-file:hover {
+            border-color: #007bff; 
+        }
+     .text-center {
+            color: #343a40; 
+        }
+    </style>
+</head>
+<body>
+    <div class="container">
+        <h2 class="text-center">XLS文件上传和导出</h2>
+        <form>
+            <div class="form-group">
+                <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>
+            </div>
+            <div class="form-group">
+                <label for="fileInput">选择 Excel 文件</label>
+                <input type="file" class="form-control-file" id="fileInput" accept=".xls,.xlsx">
+            </div>
+            <div class="form-group">
+                <label for="startRowInput">从第几行开始导出（从 1 开始）</label>
+                <input type="number" class="form-control" id="startRowInput" value="1" min="1">
+            </div>
+            <button type="button" class="btn btn-primary" id="exportButton">导出</button>
+        </form>
+    </div>
+    <script src="https://cdn.bootcdn.net/ajax/libs/xlsx/0.18.5/xlsx.full.min.js"></script>
+    <script src="https://cdn.bootcdn.net/ajax/libs/jquery/3.5.1/jquery.slim.min.js"></script>
+    <script src="https://cdn.bootcdn.net/ajax/libs/popper.js/2.5.4/umd/popper.min.js"></script>
+    <script src="https://cdn.bootcdn.net/ajax/libs/twitter-bootstrap/4.5.2/js/bootstrap.min.js"></script>
+    <script>
+        document.getElementById('exportButton').onclick = function() {
+            const fileInput = document.getElementById('fileInput');
+            const file = fileInput.files[0];
+            const startRowInput = document.getElementById('startRowInput');
+            const startRow = parseInt(startRowInput.value) - 1; // 转换为从 0 开始的索引
+            if (file) {
+                const reader = new FileReader();
+                reader.onload = function(e) {
+                    const data = new Uint8Array(e.target.result);
+                    const workbook = XLSX.read(data, { type: 'array' });
+                    const firstSheetName = workbook.SheetNames[0];
+                    const worksheet = workbook.Sheets[firstSheetName];
+                    // 获取原始工作表的 JSON 数据
+                    const originalData = XLSX.utils.sheet_to_json(worksheet, { raw: false }); 
+                    // 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'
+                    const fieldsToExtract = ['姓名', '部门', '账号', '入职日期'];
+                    const extractedData = [];
+                    // 从指定行开始提取数据
+                    for (let i = startRow; i < originalData.length; i++) {
+                        let newRow = {};
+                        fieldsToExtract.forEach(field => {
+                            if (originalData[i][field]!== undefined) {
+                                newRow[field] = originalData[i][field];
+                            }
+                        });
+                        extractedData.push(newRow);
+                    }
+                    // 将提取的数据转换为工作表
+                    const newWorksheet = XLSX.utils.json_to_sheet(extractedData);
+                    // 计算每列的最大宽度
+                    const columnWidths = [];
+                    extractedData.forEach(row => {
+                        Object.keys(row).forEach((key, index) => {
+                            const value = row[key]? row[key].toString() : '';
+                            if (!columnWidths[index] || columnWidths[index] < value.length) {
+                                columnWidths[index] = value.length;
+                            }
+                        });
+                    });
+                    // 设置列宽
+                    columnWidths.forEach((width, index) => {
+                        newWorksheet['!cols'] = newWorksheet['!cols'] || [];
+                        newWorksheet['!cols'][index] = { wch: width + 2 }; // 增加额外的宽度
+                    });
+                    const newWorkbook = XLSX.utils.book_new();
+                    XLSX.utils.book_append_sheet(newWorkbook, newWorksheet, '新工作表'); 
+                    const newFileName = '输出.xls'; 
+                    XLSX.writeFile(newWorkbook, newFileName);
+                };
+                reader.readAsArrayBuffer(file);
+            } else {
+                alert('请先选择一个文件');
+            }
+        };
+    </script>
+</body>
+</html>
\ No newline at end of file
