前端下载文件

export function downloadFile(data, fileName){

  const a    = document.createElement('a')
  let href   = window.URL.createObjectURL(new Blob(["\ufeff", data], { type: 'text/csv;charset=utf-8;' }))
  a.href     = href
  a.download = decodeURIComponent(fileName)
  
  document.body.appendChild(a)
  a.click()
  document.body.removeChild(a)
  window.URL.revokeObjectURL(href)

}

downloadSpuAnalysisReportNew()

.then(response => {

let data = response.data

let headers = response.headers

let fileName = filenameRegex(headers)

downloadFile(data, fileName)

}).catch(error => {

console.log(`donwload error: ${error}`)

})