42 lines
1.2 KiB
JavaScript
42 lines
1.2 KiB
JavaScript
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import * as XLSX from 'xlsx'
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export function downloadRename (blob, fileType, filename) {
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const typesMap = {
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xlsx: 'application/vnd.ms-excel',
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xls: 'application/vnd.ms-excel',
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pdf: 'application/pdf',
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doc: 'application/msword',
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docx: 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
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csv: 'text/csv'
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}
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const type = typesMap[fileType] || ''
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const newBlob = new Blob([blob], { type })
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const href = URL.createObjectURL(newBlob)
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const a = document.createElement('a')
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a.href = href
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a.download = filename + '.' + fileType
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document.body.appendChild(a)
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a.click()
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document.body.removeChild(a)
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URL.revokeObjectURL(href)
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}
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export function readExcel (file) {
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return new Promise((resolve, reject) => {
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const reader = new FileReader()
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reader.readAsBinaryString(file)
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reader.onload = ev => {
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try {
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const data = ev.target.result
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const workbook = XLSX.read(data, { type: 'binary' })
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const firstSheet = workbook.Sheets[workbook.SheetNames[0]]
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const list = XLSX.utils.sheet_to_json(firstSheet)
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resolve(list)
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} catch (e) {
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reject(e)
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}
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}
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reader.onerror = () => reject(new Error('文件读取失败'))
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})
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}
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