js文件下载

import request from '@/router/axios'

downfiles(uri) {
  return request({
    url: uri,
    method: 'get',
    responseType: 'blob',
    timeout: 1800000,
  }).then((response) => { // 处理返回的文件流
    const blob = response.data
    var filename = '文件.xlsx'
    const link = document.createElement('a')
    link.href = URL.createObjectURL(blob)
    link.download = filename
    document.body.appendChild(link)
    link.click()
    window.setTimeout(function() {
      URL.revokeObjectURL(blob)
      document.body.removeChild(link)
    }, 0)
  })
}