wangluohuoyun-app/util/batchDown.js

import { getBatchAttachment } from '@/model/indexRx'
import { getFileList } from '@/model/upload'
import i18n from '../lang/index.js'
import { EventBus, dayjs } from 'base-core-lib'

function downLoad (res, name) {
  const reader = new FileReader()
  reader.readAsText(res, 'utf-8')
  reader.onload = function () {
    if (reader.result.indexOf('noPermission') != -1) {
      EventBus.$emit('warning', this.$t('upload.message07'))
    } else {
      const a = document.createElement('a')
      a.download = name
      a.href = window.URL.createObjectURL(res)
      a.style.display = 'none'
      document.body.appendChild(a)
      a.click()
      URL.revokeObjectURL(a.href)
      document.body.removeChild(a)
    }
  }.bind(this)
}
/**
 * 静态下载文件类型
 */
const BLOB_TYPE = {
  'doc': 'application/msword',
  'bin': 'application/octet-stream',
  'exe': 'application/octet-stream',
  'so': 'application/octet-stream',
  'dll': 'application/octet-stream',
  'pdf': 'application/pdf',
  'ai': 'application/postscript',
  'xls': 'application/vnd.ms-excel',
  'xlsx': 'application/vnd.ms-excel',
  'ppt': 'application/vnd.ms-powerpoint',
  'dir': 'application/x-director',
  'js': 'application/x-javascript',
  'swf': 'application/x-shockwave-flash',
  'xhtml': 'application/xhtml+xml',
  'xht': 'application/xhtml+xml',
  'zip': 'application/zip',
  'mid': 'audio/midi',
  'midi': 'audio/midi',
  'mp3': 'audio/mpeg',
  'rm': 'audio/x-pn-realaudio',
  'rpm': 'audio/x-pn-realaudio-plugin',
  'wav': 'audio/x-wav',
  'bmp': 'image/bmp',
  'gif': 'image/gif',
  'jpeg': 'image/jpeg',
  'jpg': 'image/jpeg',
  'png': 'image/png',
  'css': 'text/css',
  'html': 'text/html',
  'htm': 'text/html',
  'txt': 'text/plain',
  'xsl': 'text/xml',
  'xml': 'text/xml',
  'mpeg': 'video/mpeg',
  'mpg': 'video/mpeg',
  'avi': 'video/x-msvideo',
  'movie': 'video/x-sgi-movie',
}
/**
 * 通用流文件下载
 * @param {*} param {res:流文件, fileName:文件名称, type：文件类型 }
 */
export async function downloadFile ({ res, fileName, type }) {
  fileName = fileName + '.' + type
  if (!res.size) {
    EventBus.$emit('error', '接口未返回任何流文件，请联系业务人员~')
    return
  }
  if (!type) {
    EventBus.$emit('error', '请指定下载文件类型~')
    return
  }
  if (!BLOB_TYPE[type.toLowerCase()]) {
    EventBus.$emit('error', '未找到相应的文件类型，请更换文件类型后重试~')
    return
  }
  // type 为需要导出的文件类型，此处为xls表格类型
  const blob = new Blob([res],
    // {type: BLOB_TYPE[type.toLowerCase()]}
  )
  if (window.navigator.msSaveOrOpenBlob) {
    navigator.msSaveBlob(blob, fileName)
    return
  }
  // 兼容不同浏览器的URL对象
  const url = window.URL || window.webkitURL || window.moxURL
  // 创建下载链接
  const href = url.createObjectURL(blob)
  // 创建a标签并为其添加属性
  let downloadElement = document.createElement('a')
  downloadElement.href = href
  downloadElement.style.display = 'none'
  downloadElement.download = `${fileName}`
  document.body.appendChild(downloadElement)
  // 触发点击事件执行下载
  downloadElement.click()
  document.body.removeChild(downloadElement) //下载完成移除元素
  window.URL.revokeObjectURL(href) //释放掉blob对象
}

export async function zipDown ({ appendixIds, zipName = i18n.t('dataManage.downloadFileName'), baseUrl }) {
  if (appendixIds.split(',').length === 1) {
    const getFileInfo = await getFileList({ appendixIds: appendixIds }).toPromise()
    if (getFileInfo.length == 1) {
      const a = document.createElement('a')
      a.setAttribute('target', '_blank')
      a.href = `${baseUrl}appendix/api/singleDownLoadFile?appendixId=${appendixIds}`
      a.style.display = 'none'
      document.body.appendChild(a)
      a.click()
      URL.revokeObjectURL(a.href)
      document.body.removeChild(a)
      return
    }
    return
  }
  const { data } = await getBatchAttachment({ appendixIds: appendixIds, zipName: zipName }, {}, { responseType: 'blob' }).toPromise()
  downLoad(data, zipName + dayjs().format('YYYYMMDD') + '.zip')
}


export function getLocationAdress (data) {
  let url = ''
  if (process.env.VUE_APP_BASE_API) {
    url = process.env.VUE_APP_BASE_API + data
  }
  else {
    url = `${window.location.protocol}//${window.location.host}/${data}`
  }
  window.location.href = url
}

export function exportFileUrl (module, type, id, fileName, vendorId) {
  console.log(`${process.env.VUE_APP_API_SUPPLY}/purExport/${module}/${type}?id=${id}&fileName=${fileName}&vendorId=${vendorId}`, 1919)
  return `${process.env.VUE_APP_API_SUPPLY}/purExport/${module}/${type}?id=${id}&fileName=${fileName}&vendorId=${vendorId}`
}