1e41f4b71Sopenharmony_ci# Upload and Download Subsystem Changelog 2e41f4b71Sopenharmony_ci 3e41f4b71Sopenharmony_ci 4e41f4b71Sopenharmony_ci## cl.request.2 Upload and Download API Change 5e41f4b71Sopenharmony_ci 6e41f4b71Sopenharmony_ci- Deleted the beta APIs in API version 9: 7e41f4b71Sopenharmony_ci1. function download(context: BaseContext, config: DownloadConfig, callback: AsyncCallback<DownloadTask>): void; 8e41f4b71Sopenharmony_ci2. function download(context: BaseContext, config: DownloadConfig): Promise<DownloadTask>; 9e41f4b71Sopenharmony_ci3. function upload(context: BaseContext, config: UploadConfig, callback: AsyncCallback<UploadTask>): void; 10e41f4b71Sopenharmony_ci4. function upload(context: BaseContext, config: UploadConfig): Promise<UploadTask>; 11e41f4b71Sopenharmony_ci 12e41f4b71Sopenharmony_ci**Change Impact** 13e41f4b71Sopenharmony_ci 14e41f4b71Sopenharmony_ciThe application developed based on the Stage mode of earlier versions needs to be adapted. Otherwise, the service logic will be affected. 15e41f4b71Sopenharmony_ci 16e41f4b71Sopenharmony_ci**Key API/Component Changes** 17e41f4b71Sopenharmony_ci 18e41f4b71Sopenharmony_ci| Module | Class | Method/Attribute/Enumeration/Constant | Change Type| 19e41f4b71Sopenharmony_ci|--------------|--------------|-------------------------------------------------------------------------------------------------------------------|------| 20e41f4b71Sopenharmony_ci| ohos.request | request | function download(context: BaseContext, config: DownloadConfig, callback: AsyncCallback<DownloadTask>): void; | Deleted. | 21e41f4b71Sopenharmony_ci| ohos.request | request | function download(context: BaseContext, config: DownloadConfig): Promise<DownloadTask>; | Deleted. | 22e41f4b71Sopenharmony_ci| ohos.request | request | function upload(context: BaseContext, config: UploadConfig, callback: AsyncCallback<UploadTask>): void; | Deleted. | 23e41f4b71Sopenharmony_ci| ohos.request | request | function upload(context: BaseContext, config: UploadConfig): Promise<UploadTask>; | Deleted. | 24e41f4b71Sopenharmony_ci 25e41f4b71Sopenharmony_ci 26e41f4b71Sopenharmony_ci**Adaptation Guide** 27e41f4b71Sopenharmony_ci 28e41f4b71Sopenharmony_ciThe following sample code shows how to call **downloadFile** in the new version: 29e41f4b71Sopenharmony_ci 30e41f4b71Sopenharmony_ci```ts 31e41f4b71Sopenharmony_citry { 32e41f4b71Sopenharmony_ci request.downloadFile(globalThis.abilityContext, { url: 'https://xxxx/xxxxx.hap', 33e41f4b71Sopenharmony_ci filePath: 'xxx/xxxxx.hap'}, (err, data) => { 34e41f4b71Sopenharmony_ci if (err) { 35e41f4b71Sopenharmony_ci console.error('Failed to request the download. Cause: ' + JSON.stringify(err)); 36e41f4b71Sopenharmony_ci return; 37e41f4b71Sopenharmony_ci } 38e41f4b71Sopenharmony_ci }); 39e41f4b71Sopenharmony_ci} catch (err) { 40e41f4b71Sopenharmony_ci console.log("downloadFile callback fail." + "errCode:" + err.code + ",errMessage:" + err.message); 41e41f4b71Sopenharmony_ci} 42e41f4b71Sopenharmony_ci``` 43