cip-request/download-file.js

import { RequestFile } from './request-file'
import { downloadByStream, getFileNameFormHeader } from './util'

export class DownloadFile extends RequestFile {
  constructor ({ type, method = 'get', apiName, url, params = {}, data, config = {}, pathParams = {}, headers = {} }) {
    method = type || method
    super({ method, apiName, url, data, pathParams, params, config, headers })
    this.config.responseType = 'blob'
    this.cancelMessage = '已取消下载'
  }

  async send () {
    try {
      const res = await this.request()
      const filenameISO = getFileNameFormHeader(res.headers['content-disposition'])
      const filename = this.config.encodeType === 'iso' ? decodeURI(escape(filenameISO)) : filenameISO//
      downloadByStream(res.data, filename)
    } catch (err) {
      this.notifyError(err)
      throw err
    }
  }
}

// export class DownloadFile {
//   constructor ({ type = 'get', apiName, url, params = {}, data, config = {}, pathParams = {}, headers = {} }) {
//     this.type = type.toLocaleLowerCase()
//     this.path = getRequestPath(apiName, url, pathParams)
//     config.timeout = 0
//     config.params = params
//     this.cancel = () => {} // noop
//     this.abort = this.abort.bind(this) // 显示的绑定
//     const _this = this
//     config.cancelToken = new CancelToken(function (c) {
//       _this.cancel = c
//     })
//     // download特有
//     this.data = data
//     config.headers = Object.assign({}, { 'Content-Type': 'application/octet-stream;charset=UTF-8' }, config.headers, headers)
//     config.responseType = 'blob'
//
//     this.config = config
//   }
//
//   send () {
//     return new Promise((resolve, reject) => {
//       // put,post第二个参数为data
//       const params2 = ['put', 'post'].includes(this.type) ? this.data : this.config
//       axios[this.type](this.path, params2, this.config).then(res => {
//         const filenameISO = getFileNameFormHeader(res.headers['content-disposition'])
//         const filename = this.config.encodeType === 'iso' ? decodeURI(escape(filenameISO)) : filenameISO//
//         downloadByStream(res.data, filename)
//         resolve()
//       }).catch(async err => {
//         const message = await notifyErrorMessage(err)
//         CipMessage({ type: 'error', message })
//         reject(err)
//       })
//     })
//   }
//
//   abort () {
//     this.cancel('已取消下载')
//   }
// }