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Commit 8490c5cc by 焦子成
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parent 9d5b290e
Showing with 116 additions and 0 deletions
dist/assets/index-653d3d5d.css 0 → 100644
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dist/assets/index-b9c76263.js 0 → 100644
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dist/excel-worker.js 0 → 100644
// Excel处理Worker
// 使用本地XLSX库
importScripts('./xlsx.full.min.js');
self.onmessage = function(e) {
try {
const { data, type, neededColumns } = e.data;
if (type === 'parseExcel') {
const result = parseExcelData(data, neededColumns);
self.postMessage({
type: 'success',
data: result
});
}
} catch (error) {
console.error('Worker error:', error);
self.postMessage({
type: 'error',
error: error.message || '未知错误'
});
}
};
function parseExcelData(arrayBuffer, neededColumns = null) {
try {
if (!arrayBuffer) {
throw new Error('没有接收到数据');
}
const data = new Uint8Array(arrayBuffer);
const workbook = XLSX.read(data, {
type: 'array',
cellDates: true,
cellNF: false,
cellStyles: false,
cellHTML: false,
cellFormula: false,
cellText: false
});
if (!workbook.SheetNames || workbook.SheetNames.length === 0) {
throw new Error('Excel文件中没有找到工作表');
}
const sheetName = workbook.SheetNames[0];
const worksheet = workbook.Sheets[sheetName];
if (!worksheet) {
throw new Error('无法读取工作表数据');
}
// 限制最大行数，防止内存溢出
const maxRows = 100000; // 增加到10万行
const range = XLSX.utils.decode_range(worksheet['!ref'] || 'A1');
if (range.e.r > maxRows) {
range.e.r = maxRows - 1;
worksheet['!ref'] = XLSX.utils.encode_range(range);
}
const jsonData = XLSX.utils.sheet_to_json(worksheet, {
header: 1,
defval: '',
blankrows: false
});
if (!jsonData || jsonData.length === 0) {
throw new Error('Excel文件中没有数据');
}
// 转换为对象数组
const headers = jsonData[0];
if (!headers || headers.length === 0) {
throw new Error('Excel文件中没有列标题');
}
const rows = jsonData.slice(1).map(row => {
const obj = {};
headers.forEach((header, index) => {
obj[header] = row[index] || '';
});
return obj;
});
// 如果指定了需要的列，则只保留这些列
if (neededColumns && neededColumns.length > 0) {
return rows.map(row => {
const optimizedRow = {};
neededColumns.forEach(col => {
optimizedRow[col] = row[col] || '';
});
return optimizedRow;
});
}
return rows;
} catch (error) {
console.error('Excel解析错误:', error);
throw new Error('Excel解析失败: ' + error.message);
}
}
dist/index.html 0 → 100644
<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8" />
<link rel="icon" type="image/svg+xml" href="/vite.svg" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>文件下载器 - 类似迅雷的下载工具</title>
<script type="module" crossorigin src="/assets/index-b9c76263.js"></script>
<link rel="stylesheet" href="/assets/index-653d3d5d.css">
</head>
<body>
<div id="app"></div>
</body>
</html>
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