HarmonyOS鸿蒙Next中上传文件一直报错

文件都读不到：我之前写了一个文件上传的博客你可以参考一下文件读取那一部分

HarmoyOS Next元服务图片上传组件深度实战：从零构建企业级文件传输方案

@StorageProp(BreakPointKey) breakPointKey: string = 'sm' // 断点状态变量
@Prop canUpload: boolean = true // 默认可上传
title: string = "111"
maxNumber: number = 9
maxSelectNumber: number = 9
@State
index: number = -1
@Prop imgList: ImageList[] = []
@State uploadProgress: number = 0
@State uploadUrl: string[] = []
preview: CustomDialogController = new CustomDialogController({
  autoCancel: false,
  customStyle: true,
  alignment: DialogAlignment.Center,
  builder: ImagePreview({
    urls: this.uploadUrl,
    selectIndex: this.index
  })
})
uploading: CustomDialogController = new CustomDialogController({
  autoCancel: false,
  customStyle: true,
  alignment: DialogAlignment.Center,
  builder: ImageLoading()
})
successUpNum: number = 0 // 当前选择成功上传的数量
failedUpNum: number = 0 // 当前选择失败上传的数量
allUpNum: number = 0 // 当前选择全部上传的数量
isUpload: boolean = false
upFilePath: string = ''
onListChange: (list: string[]) => void = () => {}
onUploadIsComplete: (uploadUrl: string[]) => void = () => {}
onUploadStateChange: (state: boolean) => void = () => {}

aboutToAppear(): void {
}

async selectImage() {
  this.successUpNum = 0
  this.failedUpNum = 0
  const photoSelectOptions = new photoAccessHelper.PhotoSelectOptions();
  photoSelectOptions.MIMEType = photoAccessHelper.PhotoViewMIMETypes.IMAGE_TYPE;
  photoSelectOptions.maxSelectNumber = this.maxSelectNumber;
  photoSelectOptions.isOriginalSupported = true;
  photoSelectOptions.subWindowName = '选择上传图片';

  const photoPicker = new photoAccessHelper.PhotoViewPicker();
  const result = await photoPicker.select(photoSelectOptions);

  if (result.photoUris?.length) {
    this.imgList = [
      ...this.imgList,
      ...result.photoUris.map(url => ({ url } as ImageList))
    ];

    const folderName = 'upload_cache';
    const defaultDir = `${getContext(this).cacheDir}/${folderName}`;
    this.upFilePath = defaultDir;

    if (!fs.listFileSync(getContext(this).cacheDir).includes(folderName)) {
      fs.mkdirSync(defaultDir); // 确保目标目录存在
    }

    const files = result.photoUris.map(url => {
      const file = fs.openSync(url, fs.OpenMode.READ_ONLY);
      const tempFileName = `${util.generateRandomUUID()}.jpg`;
      const fileUri = `${defaultDir}/${tempFileName}`;

      fs.copyFileSync(file.fd, fileUri); // 拷贝文件到缓存目录
      fs.closeSync(file.fd);

      return {
        name: 'file',
        filename: tempFileName,
        type: 'jpg',
        uri: `internal://cache/${folderName}/${tempFileName}`
      } as request.File;
    });
    this.uploading.open()
    this.isUpload = true
    // 上传文件
    this.allUpNum = files.length
    for (let i = 0; i < files.length; i++) {
      await this.upload(files[i])
        .then(event => {
          this.successUpNum++
        })
        .catch(() => {
          this.failedUpNum++
        })
        .finally(() => {
          LogUtil.i('asda', this.successUpNum + this.failedUpNum + "aa" + this.allUpNum)
          if (this.allUpNum === this.successUpNum + this.failedUpNum) {
            this.uploading.close()
            this.isUpload = false
          }
        })
    }
  }
}

async upload(file: request.File) {
  const apiBaseURL = RequestAxios.baseApiUrl;
  const tag = 'uploadFiles';
  const formData = new FormData();
  formData.append('file', file['uri']);

  const openID =
    LoginStorageHandel.openID ||
      (PreferencesUtil.getSync(StorageConstant.*****, 'default_openID') as string)

  try {
    const response: AxiosResponse<UpLoadResponse> = await axios.post<string, AxiosResponse<UpLoadResponse>, FormData>(
      `${apiBaseURL}/************`,
      formData,
      {
        headers: {
          versionCode: AppUtil.getVersionCode(),
          'content-type': 'multipart/form-data',
          Connection: 'keep-alive'
        },
        context: getContext(this),
        onUploadProgress: (progressEvent) => {
          if (progressEvent?.loaded && progressEvent?.total) {
            this.uploadProgress = Math.ceil((progressEvent.loaded / progressEvent.total) * 100);
            if (this.uploadProgress === 100) {
              LogUtil.i(tag, `上传完成: ${this.uploadProgress}%`);
            }
          }
        }
      }
    )

    if (response.data.code === 500) {
      showToast('上传失败');
      LogUtil.e(tag, '上传失败', response);
      return Promise.reject()
    }
    LogUtil.i('asda', file['uri'][0])
    this.uploadUrl.push(response.data.url);
    this.onListChange(this.uploadUrl);

    if (this.imgList.length === this.uploadUrl.length) {
      this.onUploadIsComplete(this.uploadUrl);
      showToast('文件上传完成');
    }
    return Promise.resolve()
  } catch (error) {
    LogUtil.e(tag, error);
    return Promise.reject(error)
  }
}

重点看一下文件操作的问题