二进制文件流转文件并触发下载

/**
 * word/doc
 * data就是后台返回的二进制流
 * fileName就是你想要把这个流转为二进制的名称
 */
export function downloadDoc(data, fileName) {
  let blob = new Blob([data], {
    type: 'application/vnd.openxmlformats-officedocument.wordprocessingml.document'
  })
  let link = document.createElement('a')
  link.href = window.URL.createObjectURL(blob)
  link.style.display = 'none'
  link.setAttribute('download', fileName + '.doc')
  link.click()
}

/**
 * excel/xlsx
 * data就是后台返回的二进制流
 * fileName就是你想要把这个流转为二进制的名称
 */
export function downloadXlsx(data, fileName) {
  const url = window.URL.createObjectURL(new Blob([data]))
  const link = document.createElement('a')
  link.style.display = 'none'
  link.href = url
  link.setAttribute('download', fileName + '.xlsx')
  document.body.appendChild(link)
  link.click()
}