JS file download function

1. Initiate the interface to request the binary file stream saved in the background

import axios from 'axios'
import { getToken } from '@/utils/auth'

const mimeMap = {
  word: 'application/msword; application/vnd.openxmlformats-officedocument.wordprocessingml.document; '.pdf: 'application/pdf'.xlsx: 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet'.zip: 'application/zip'
}

const baseUrl = process.env.VUE_APP_BASE_API;
export function downLoadZip(str, filename) {
  var url = baseUrl + str
  axios({
    method: 'get'.url: url,
    responseType: 'blob'.headers: { 'Authorization': 'Bearer ' + getToken() }
  }).then(res= > {
    resolveBlob(res, mimeMap.zip)
  })
}
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Parse the bloB data of the response

/** * Parse the blob response content and download *@param {*} Res blob Response contents *@param {String} MimeType MIME type */
export function resolveBlob(res, mimeType) {
  const aLink = document.createElement('a')
  var blob = new Blob([res.data], { type: mimeType })
  Responsetheader (" content-disposition ", "attachment; Filename =xxxx.docx") set filename;
  var pattern = new RegExp('filename=([^;] + \ \ [^ \ \.;] +); * ')
  var contentDisposition = decodeURI(res.headers['content-disposition'])
  var result = pattern.exec(contentDisposition)
  var fileName = result[1]
  fileName = fileName.replace(/\"/g.' ')
  aLink.href = URL.createObjectURL(blob)
  aLink.setAttribute('download', fileName) // Set the name of the downloaded file
  document.body.appendChild(aLink)
  aLink.click()
  document.body.appendChild(aLink)
}
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