鸿蒙完成图片上传

// 获取应用文件路径
let context = getContext(this) as common.UIAbilityContext;
let cacheDir = context.cacheDir;


export async function PickerPhoto() {
  const photoSelectOptions = new photoAccessHelper.PhotoSelectOptions();
  //只能选择一张图
  photoSelectOptions.maxSelectNumber = 1
  // 过滤选择媒体文件类型为IMAGE
  photoSelectOptions.MIMEType = photoAccessHelper.PhotoViewMIMETypes.IMAGE_TYPE

  const photoViewPicker = new photoAccessHelper.PhotoViewPicker();
  let url = await photoViewPicker.select(photoSelectOptions)
  if (url.photoUris.length >= 1) {
    return url.photoUris[0]
  } else {
    return
  }
}

/**
 * 将相册图片写入cache
 * @param photoImg
 * @returns arr
 */
function fixImgFn(photoImg: string) {
  let file = fs.openSync(photoImg, fs.OpenMode.READ_ONLY)
  let fileId = file.fd
  //定义不重复文件名
  let fileName = Date.now().toString()
  const ext = 'jpg'
  //定义全路径
  let fullPath = cacheDir + '/' + fileName + '.' + ext
  fs.copyFileSync(fileId, fullPath)
  return [`internal://cache/${fileName + '.' + ext}`, `${fileName + '.' + ext}`]
}

/**
 * 上传文件
 */
export function upLoad(photoImg: string) {
  const imgArr = fixImgFn(photoImg)
  const user: User = auth.getUser() as User
  let uploadConfig: request.UploadConfig = {
    url: baseURL + 'member/profile/avatar',
    header: {
      'Authorization': `Bearer ${user.token}`,
      'Content-Type': 'multipart/form-data'
    },
    method: 'POST',
    files: [{
      filename: imgArr[1],
      name: 'file',
      uri: imgArr[0],
      type: 'jpg'
    }],
    data: []
  }
  // 将本地应用文件上传至网络服务器
  try {
    request.uploadFile(context, uploadConfig)
      .then((uploadTask: request.UploadTask) => {
        uploadTask.on('complete', (taskStates: Array<request.TaskState>) => {
          for (let i = 0; i < taskStates.length; i++) {
            console.info(`apple upload complete taskState: ${JSON.stringify(taskStates[i])}`);
          }
        });
      })
      .catch((err: BusinessError) => {
        console.error(`apple Invoke uploadFile failed, code is ${err.code}, message is ${err.message}`);
      })
  } catch (error) {
    let err: BusinessError = error as BusinessError;
    console.error(`apple Invoke uploadFile failed, code is ${err.code}, message is ${err.message}`);
  }

}