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perf[UploadExcel]: optimize code #1552

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merged 1 commit into from
Jan 25, 2019
Merged

perf[UploadExcel]: optimize code #1552

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11 changes: 1 addition & 10 deletions src/components/UploadExcel/index.vue
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Original file line number Diff line number Diff line change
Expand Up @@ -82,8 +82,7 @@ export default {
const reader = new FileReader()
reader.onload = e => {
const data = e.target.result
const fixedData = this.fixData(data)
const workbook = XLSX.read(btoa(fixedData), { type: 'base64' })
const workbook = XLSX.read(data, { type: 'array' })
const firstSheetName = workbook.SheetNames[0]
const worksheet = workbook.Sheets[firstSheetName]
const header = this.getHeaderRow(worksheet)
Expand All @@ -95,14 +94,6 @@ export default {
reader.readAsArrayBuffer(rawFile)
})
},
fixData(data) {
let o = ''
let l = 0
const w = 10240
for (; l < data.byteLength / w; ++l) o += String.fromCharCode.apply(null, new Uint8Array(data.slice(l * w, l * w + w)))
o += String.fromCharCode.apply(null, new Uint8Array(data.slice(l * w)))
return o
},
getHeaderRow(sheet) {
const headers = []
const range = XLSX.utils.decode_range(sheet['!ref'])
Expand Down