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优化修改readme文档
Signed-off-by: anyueling <anyueling@huawei.com>
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README_ZH.md
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README_ZH.md
@ -1,17 +1,20 @@
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# 杂散子系统/Request服务
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## 简介
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### 内容介绍
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Request服务向三方应用提供系统下载/上传服务能力，以支撑应用开发者方便、高效地使用以及管理下载/上传业务的功能，包含新建、移除、暂停、恢复以及查询下载/上传任务。
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Request服务向三方应用提供文件下载/上传能力，以支撑应用开发者方便、高效地使用下载/上传业务的功能。
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下载支持后台管理能力，通过download（downloadFile）接口新建任务，请求成功后会通过异步方式返回task对象。用户可以通过task对象管理任务，支持新建、移除、暂停、恢复以及查询任务，以及订阅任务进度、成功、失败等能力。
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上传任务在客户端运行，通过upload（uploadFile）接口新建任务，请求成功后会通过异步方式返回task对象。上传支持新建、移除任务，以及订阅任务进度、成功、失败等能力。
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### 架构图介绍
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**图 1** 下载子系统架构图
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**图 1** 下载子系统架构图
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系统应用：依赖的系统应用如浏览器等。
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@ -23,10 +26,8 @@ IDL：提供NAPI之间的相互通信。
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下载服务：负责下载的具体过程，客户端发起一个下载请求，下载内部创建下载任务，处理下载请求并完成下载任务。
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下载数据能力：用来保存每一次下载的记录。
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**图 2** 上传子系统架构图
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**图 2** 上传子系统架构图
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扩展/三方 应用：上传功能的客户端，是上传的发起方。
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@ -36,13 +37,7 @@ JS接口：对外提供上传功能JS接口。
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上传任务：客户端每发起一个上传请求，上传内部都会创建一个上传任务，用于处理上传请求，转发服务器的上传应答。
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Curl适配：对三方库libcurl的一个封装。
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获取文件：根据客户端发起上传请求时传入的文件路径获取要上传的文件。
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libcurl: 三方库。
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DataAbility能力：DataAbility的使用方，用户获取DataAbility文件协议路径下的文件。
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libcurl: 封装libcurl接口完成上传。
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## 目录
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@ -63,882 +58,27 @@ DataAbility能力：DataAbility的使用方，用户获取DataAbility文件协
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└── upload/unitest # 上传模块的单元测试
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```
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## 约束
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- 如需使用request服务，需要申请如下权限：
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- ohos.permission.INTERNET
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- ohos.permission.WRITE_MEDIA
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- ohos.permission.READ_MEDIA
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- request数据单元为文件形式，其余数据形式需要调用者自行封装为文件路径。
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- request服务不提供完整的HTTP/HTTPS SDK接口，只是HTTP/HTTPS SDK 的用户，如需此接口推荐使用[NetStack](https://gitee.com/openharmony/communication_netstack)。
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- 下载服务器需要支持HTTP协议的head方法，能够通过Content-length获取下载数据大小，否则下载任务失败。
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- 下载时用户指定文件已存在，会在创建任务时校验并抛出异常，创建任务失败。
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- 允许用户指定多文件上传成功策略：多文件在同一个任务中上传，以任务维度为判断标准，必须所有文件上传成功判定为成功。
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## 说明
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### 接口说明
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- Request接口文档
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- [js-apis-request.md](https://gitee.com/openharmony/docs/blob/master/zh-cn/application-dev/reference/apis/js-apis-request.md) 提供从API version 6开始接口定义和示例代码。
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- [js-apis-system-request.md](https://gitee.com/openharmony/docs/blob/master/zh-cn/application-dev/reference/apis/js-apis-system-request.md) 提供从API version 3开始接口定义和示例代码，此文档接口从API version 9开始已全部废弃，不推荐使用。
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**表 1** Request服务的主要接口
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<table><thead align="left"><tr id="row143351854201012"><th class="cellrowborder" valign="top" width="50%" id="mcps1.2.3.1.1"><p id="p103351154121010"><a name="p103351154121010"></a><a name="p103351154121010"></a>接口名</p>
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</th>
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<th class="cellrowborder" valign="top" width="50%" id="mcps1.2.3.1.2"><p id="p1033585416105"><a name="p1033585416105"></a><a name="p1033585416105"></a>描述</p>
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</th>
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</tr>
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</thead>
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<tbody>
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<tr id="row204321219392"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.1 "><p id="p1893413268144"><a name="p1893413268144"></a><a name="p1893413268144"></a>download(config: DownloadConfig, callback: AsyncCallback<DownloadTask>): void</p>
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</td>
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<td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.2 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>异步接口，用于文件下载，使用callback形式回调返回DownloadTask实例，该实例代表一个下载任务，用户可以通过该实例操作该下载任务，比如添加progress、complete、fail监听，暂停、恢复、移除和查询下载任务。</p>
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</td>
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</tr>
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<tr id="row13335054111017"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.1 "><p id="p12832214151418"><a name="p12832214151418"></a><a name="p12832214151418"></a>download(config: DownloadConfig): Promise<DownloadTask></p>
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</td>
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<td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.2 "><p id="p3335145451011"><a name="p3335145451011"></a><a name="p3335145451011"></a>异步接口，用于文件下载，使用promise形式回调返回DownloadTask实例，该实例代表一个下载任务，用户可以通过该实例操作该下载任务，比如添加progress、complete、fail监听，暂停、恢复、移除和查询下载任务。</p>
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</td>
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</tr>
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<tr id="row204321219393"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.1 "><p id="p1893413268144"><a name="p1893413268144"></a><a name="p1893413268144"></a>upload(config: UploadConfig, callback: AsyncCallback<UploadTask>): void</p>
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</td>
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<td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.2 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>异步接口，用于上传一组文件，使用callback形式回调返回UploadTask实例，该实例代表一个上传任务，用户可以通过该实例操作该上传任务，比如添加progress、headerReceive、fail监听，移除上传任务。</p>
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</td>
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</tr>
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<tr id="row13335054111018"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.1 "><p id="p12832214151418"><a name="p12832214151418"></a><a name="p12832214151418"></a>upload(config: UploadConfig): Promise<UploadTask></p>
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</td>
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<td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.2 "><p id="p3335145451011"><a name="p3335145451011"></a><a name="p3335145451011"></a>异步接口，用于上传一组文件，使用promise形式回调返回UploadTask实例，该实例代表一个上传任务，用户可以通过该实例操作该上传任务，比如添加progress、headerReceive、fail监听，移除上传任务。</p>
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</td>
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</tr>
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<tr id="row204321219394"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.1 "><p id="p1893413268144"><a name="p1893413268144"></a><a name="p1893413268144"></a>download(context: BaseContext,config: DownloadConfig, callback: AsyncCallback<DownloadTask>): void</p>
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</td>
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<td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.2 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>异步接口，用于文件下载，使用callback形式回调返回DownloadTask实例，该实例代表一个下载任务，用户可以通过该实例操作该下载任务，比如添加progress、complete、fail监听，暂停、恢复、移除和查询下载任务。</p>
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</td>
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</tr>
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<tr id="row13335054111019"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.1 "><p id="p12832214151418"><a name="p12832214151418"></a><a name="p12832214151418"></a>download(context: BaseContext,config: DownloadConfig): Promise<DownloadTask></p>
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</td>
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<td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.2 "><p id="p3335145451011"><a name="p3335145451011"></a><a name="p3335145451011"></a>异步接口，用于文件下载，使用promise形式回调返回DownloadTask实例，该实例代表一个下载任务，用户可以通过该实例操作该下载任务，比如添加progress、complete、fail监听，暂停、恢复、移除和查询下载任务。</p>
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</td>
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</tr>
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<tr id="row204321219395"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.1 "><p id="p1893413268144"><a name="p1893413268144"></a><a name="p1893413268144"></a>upload(context: BaseContext,config: UploadConfig, callback: AsyncCallback<UploadTask>): void</p>
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</td>
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<td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.2 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>异步接口，用于上传一组文件，使用callback形式回调返回UploadTask实例，该实例代表一个上传任务，用户可以通过该实例操作该上传任务，比如添加progress、headerReceive、fail监听，移除上传任务。</p>
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</td>
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</tr>
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<tr id="row13335054111020"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.1 "><p id="p12832214151418"><a name="p12832214151418"></a><a name="p12832214151418"></a>upload(context: BaseContext,config: UploadConfig): Promise<UploadTask></p>
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</td>
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<td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.2 "><p id="p3335145451011"><a name="p3335145451011"></a><a name="p3335145451011"></a>异步接口，用于上传一组文件，使用promise形式回调返回UploadTask实例，该实例代表一个上传任务，用户可以通过该实例操作该上传任务，比如添加progress、headerReceive、fail监听，移除上传任务。</p>
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</td>
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</tr>
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</tbody>
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</table>
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**表 2** DownloadTask的主要接口
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<table><thead align="left"><tr id="row143351854201012"><th class="cellrowborder" valign="top" width="50%" id="mcps1.2.3.1.1"><p id="p103351154121010"><a name="p103351154121010"></a><a name="p103351154121010"></a>接口名</p>
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</th>
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<th class="cellrowborder" valign="top" width="50%" id="mcps1.2.3.1.2"><p id="p1033585416105"><a name="p1033585416105"></a><a name="p1033585416105"></a>描述</p>
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</th>
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</tr>
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</thead>
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<tbody><tr id="row204321219393"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.1 "><p id="p1893413268144"><a name="p1893413268144"></a><a name="p1893413268144"></a>on(type: 'progress', callback:(receivedSize: number, totalSize: number) => void): void</p>
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</td>
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<td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.2 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>开启下载任务进度监听，使用callback形式返回下载进度结果。多次调用的场合最后一次调用时传入的callback有效。</p>
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</td>
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</tr>
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<tr id="row13335054111018"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.1 "><p id="p12832214151418"><a name="p12832214151418"></a><a name="p12832214151418"></a>on(type: 'complete' | 'pause' | 'remove', callback:() => void): void</p>
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</td>
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<td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.2 "><p id="p3335145451011"><a name="p3335145451011"></a><a name="p3335145451011"></a>开启下载任务状态：complete、pause、remove监听，使用callback形式返回。多次调用的场合最后一次调用时传入的callback有效。</p>
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</td>
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</tr>
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<tr id="row204321219393"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.1 "><p id="p1893413268144"><a name="p1893413268144"></a><a name="p1893413268144"></a>on(type: 'fail', callback:(error: number) => void): void</p>
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</td>
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<td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.2 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>开启下载任务fail监听，使用callback形式返回错误码。多次调用的场合最后一次调用时传入的callback有效。</p>
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</td>
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</tr>
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<tr id="row204321219393"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.1 "><p id="p1893413268144"><a name="p1893413268144"></a><a name="p1893413268144"></a>off(type: 'progress', callback?:(receivedSize: number, totalSize: number) => void): void</p>
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</td>
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<td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.2 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>关闭下载任务进度监听，使用callback形式返回结果。</p>
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</td>
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</tr>
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<tr id="row204321219393"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.1 "><p id="p1893413268144"><a name="p1893413268144"></a><a name="p1893413268144"></a>off(type: 'complete' | 'pause' | 'remove', callback?:() => void): void</p>
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</td>
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<td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.2 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>关闭下载任务状态：complete、pause、remove监听，使用callback形式返回结果。</p>
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</td>
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</tr>
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<tr id="row204321219393"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.1 "><p id="p1893413268144"><a name="p1893413268144"></a><a name="p1893413268144"></a>off(type: 'fail', callback?:(error: number) => void): void</p>
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</td>
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<td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.2 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>关闭下载任务fail监听，使用callback形式返回结果。</p>
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</td>
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</tr>
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<tr id="row204321219393"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.1 "><p id="p1893413268144"><a name="p1893413268144"></a><a name="p1893413268144"></a>remove(): Promise<boolean></p>
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</td>
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<td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.2 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>移除下载任务，异步方法，使用promise形式返回结果。</p>
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</td>
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</tr>
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<tr id="row204321219393"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.1 "><p id="p1893413268144"><a name="p1893413268144"></a><a name="p1893413268144"></a>remove(callback: AsyncCallback<boolean>): void</p>
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</td>
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<td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.2 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>移除下载任务，异步方法，使用callback形式返回结果。</p>
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</td>
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</tr>
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<tr id="row204321219393"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.1 "><p id="p1893413268144"><a name="p1893413268144"></a><a name="p1893413268144"></a>pause(): Promise<boolean></p>
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</td>
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<td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.2 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>暂停下载任务，异步方法，使用promise形式返回结果。</p>
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</td>
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</tr>
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<tr id="row204321219393"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.1 "><p id="p1893413268144"><a name="p1893413268144"></a><a name="p1893413268144"></a>pause(callback: AsyncCallback<boolean>): void</p>
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</td>
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<td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.2 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>暂停下载任务，异步方法，使用callback形式返回结果。</p>
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</td>
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</tr>
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<tr id="row204321219393"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.1 "><p id="p1893413268144"><a name="p1893413268144"></a><a name="p1893413268144"></a>resume(): Promise<boolean></p>
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</td>
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<td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.2 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>恢复下载任务，异步方法，使用promise形式返回结果。</p>
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</td>
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</tr>
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<tr id="row204321219393"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.1 "><p id="p1893413268144"><a name="p1893413268144"></a><a name="p1893413268144"></a>resume(callback: AsyncCallback<boolean>): void</p>
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</td>
|
||||
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.2 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>恢复下载任务，异步方法，使用callback形式返回结果。</p>
|
||||
</td>
|
||||
</tr><tr id="row204321219393"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.1 "><p id="p1893413268144"><a name="p1893413268144"></a><a name="p1893413268144"></a>query(): Promise<DownloadInfo></p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.2 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>查询下载任务，异步方法，使用promise形式返回DownloadInfo。</p>
|
||||
</td>
|
||||
</tr>
|
||||
<tr id="row204321219393"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.1 "><p id="p1893413268144"><a name="p1893413268144"></a><a name="p1893413268144"></a>query(callback: AsyncCallback<DownloadInfo>): void</p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.2 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>查询下载任务，异步方法，使用callback形式返回DownloadInfo。</p>
|
||||
</td>
|
||||
</tr><tr id="row204321219393"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.1 "><p id="p1893413268144"><a name="p1893413268144"></a><a name="p1893413268144"></a>queryMimeType(): Promise<string></p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.2 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>查询下载任务的MIME type，异步方法，使用promise形式返回MIME type。</p>
|
||||
</td>
|
||||
</tr>
|
||||
<tr id="row204321219393"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.1 "><p id="p1893413268144"><a name="p1893413268144"></a><a name="p1893413268144"></a>queryMimeType(callback: AsyncCallback<string>): void</p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.2 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>查询下载任务的MIME type，异步方法，使用callback形式返回MIME type。</p>
|
||||
</td>
|
||||
</tr>
|
||||
</tbody>
|
||||
</table>
|
||||
|
||||
**表 3** 参数 DownloadConfig的描述
|
||||
<table><thead align="left"><tr id="row143351854201012"><th class="cellrowborder" valign="top" width="20%" id="mcps1.2.3.1.1"><p id="p103351154121010"><a name="p103351154121010"></a><a name="p103351154121010"></a>名称</p>
|
||||
</th>
|
||||
<th class="cellrowborder" valign="top" width="10%" id="mcps1.2.3.1.2"><p id="p1033585416105"><a name="p1033585416105"></a><a name="p1033585416105"></a>类型</p>
|
||||
</th>
|
||||
<th class="cellrowborder" valign="top" width="70%" id="mcps1.2.3.1.3"><p id="p1033585416105"><a name="p1033585416105"></a><a name="p1033585416105"></a>说明</p>
|
||||
</th>
|
||||
</tr>
|
||||
</thead>
|
||||
<tbody><tr id="row204321219393"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.2.3.1.1 "><p id="p1893413268144"><a name="p1893413268144"></a><a name="p1893413268144"></a>url</p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="10%" headers="mcps1.2.3.1.2 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>string</p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="70%" headers="mcps1.2.3.1.3 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>目标URL。</p>
|
||||
</td>
|
||||
</tr>
|
||||
<tr id="row204321219393"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.2.3.1.1 "><p id="p1893413268144"><a name="p1893413268144"></a><a name="p1893413268144"></a>header</p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="10%" headers="mcps1.2.3.1.2 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>Object</p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="70%" headers="mcps1.2.3.1.3 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>请求头。</p>
|
||||
</td>
|
||||
</tr>
|
||||
<tr id="row204321219393"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.2.3.1.1 "><p id="p1893413268144"><a name="p1893413268144"></a><a name="p1893413268144"></a>enableMetered</p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="10%" headers="mcps1.2.3.1.2 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>boolean</p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="70%" headers="mcps1.2.3.1.3 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>计费网络时允许下载。</p>
|
||||
</td>
|
||||
</tr>
|
||||
<tr id="row204321219393"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.2.3.1.1 "><p id="p1893413268144"><a name="p1893413268144"></a><a name="p1893413268144"></a>enableRoaming</p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="10%" headers="mcps1.2.3.1.2 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>boolean</p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="70%" headers="mcps1.2.3.1.3 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>网络漫游时允许下载。</p>
|
||||
</td>
|
||||
</tr>
|
||||
<tr id="row204321219393"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.2.3.1.1 "><p id="p1893413268144"><a name="p1893413268144"></a><a name="p1893413268144"></a>description</p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="10%" headers="mcps1.2.3.1.2 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>string</p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="70%" headers="mcps1.2.3.1.3 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>下载任务描述。</p>
|
||||
</td>
|
||||
</tr>
|
||||
<tr id="row204321219393"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.2.3.1.1 "><p id="p1893413268144"><a name="p1893413268144"></a><a name="p1893413268144"></a>networkType</p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="10%" headers="mcps1.2.3.1.2 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>number</p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="70%" headers="mcps1.2.3.1.3 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>指定网络允许下载。</p>
|
||||
</td>
|
||||
</tr>
|
||||
<tr id="row204321219393"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.2.3.1.1 "><p id="p1893413268144"><a name="p1893413268144"></a><a name="p1893413268144"></a>filePath</p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="10%" headers="mcps1.2.3.1.2 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>string</p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="70%" headers="mcps1.2.3.1.3 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>文件保存路径。</p>
|
||||
</td>
|
||||
</tr>
|
||||
<tr id="row204321219393"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.2.3.1.1 "><p id="p1893413268144"><a name="p1893413268144"></a><a name="p1893413268144"></a>title</p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="10%" headers="mcps1.2.3.1.2 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>string</p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="70%" headers="mcps1.2.3.1.3 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>下载任务标题。</p>
|
||||
</td>
|
||||
</tr>
|
||||
<tr id="row204321219393"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.2.3.1.1 "><p id="p1893413268144"><a name="p1893413268144"></a><a name="p1893413268144"></a>background</p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="10%" headers="mcps1.2.3.1.2 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>boolean</p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="70%" headers="mcps1.2.3.1.3 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>下载通知。</p>
|
||||
</td>
|
||||
</tr>
|
||||
</tbody>
|
||||
</table>
|
||||
|
||||
**表 4** 参数 DownloadInfo的描述
|
||||
<table><thead align="left"><tr id="row143351854201012"><th class="cellrowborder" valign="top" width="20%" id="mcps1.2.3.1.1"><p id="p103351154121010"><a name="p103351154121010"></a><a name="p103351154121010"></a>名称</p>
|
||||
</th>
|
||||
<th class="cellrowborder" valign="top" width="10%" id="mcps1.2.3.1.2"><p id="p1033585416105"><a name="p1033585416105"></a><a name="p1033585416105"></a>类型</p>
|
||||
</th>
|
||||
<th class="cellrowborder" valign="top" width="70%" id="mcps1.2.3.1.3"><p id="p1033585416105"><a name="p1033585416105"></a><a name="p1033585416105"></a>说明</p>
|
||||
</th>
|
||||
</tr>
|
||||
</thead>
|
||||
<tbody><tr id="row204321219393"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.2.3.1.1 "><p id="p1893413268144"><a name="p1893413268144"></a><a name="p1893413268144"></a>description</p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="10%" headers="mcps1.2.3.1.2 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>string</p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="70%" headers="mcps1.2.3.1.3 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>下载任务描述。</p>
|
||||
</td>
|
||||
</tr>
|
||||
<tr id="row204321219393"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.2.3.1.1 "><p id="p1893413268144"><a name="p1893413268144"></a><a name="p1893413268144"></a>downloadedBytes</p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="10%" headers="mcps1.2.3.1.2 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>number</p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="70%" headers="mcps1.2.3.1.3 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>已下载字节数。</p>
|
||||
</td>
|
||||
</tr>
|
||||
<tr id="row204321219393"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.2.3.1.1 "><p id="p1893413268144"><a name="p1893413268144"></a><a name="p1893413268144"></a>downloadId</p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="10%" headers="mcps1.2.3.1.2 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>number</p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="70%" headers="mcps1.2.3.1.3 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>下载任务ID。</p>
|
||||
</td>
|
||||
</tr>
|
||||
<tr id="row204321219393"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.2.3.1.1 "><p id="p1893413268144"><a name="p1893413268144"></a><a name="p1893413268144"></a>failedReason</p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="10%" headers="mcps1.2.3.1.2 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>number</p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="70%" headers="mcps1.2.3.1.3 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>下载任务失败的理由。</p>
|
||||
</td>
|
||||
</tr>
|
||||
<tr id="row204321219393"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.2.3.1.1 "><p id="p1893413268144"><a name="p1893413268144"></a><a name="p1893413268144"></a>fileName</p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="10%" headers="mcps1.2.3.1.2 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>string</p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="70%" headers="mcps1.2.3.1.3 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>保存文件名。</p>
|
||||
</td>
|
||||
</tr>
|
||||
<tr id="row204321219393"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.2.3.1.1 "><p id="p1893413268144"><a name="p1893413268144"></a><a name="p1893413268144"></a>filePath</p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="10%" headers="mcps1.2.3.1.2 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>string</p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="70%" headers="mcps1.2.3.1.3 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>文件保存路径。</p>
|
||||
</td>
|
||||
</tr>
|
||||
<tr id="row204321219393"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.2.3.1.1 "><p id="p1893413268144"><a name="p1893413268144"></a><a name="p1893413268144"></a>pausedReason</p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="10%" headers="mcps1.2.3.1.2 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>number</p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="70%" headers="mcps1.2.3.1.3 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>下载暂停的理由。</p>
|
||||
</td>
|
||||
</tr>
|
||||
<tr id="row204321219393"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.2.3.1.1 "><p id="p1893413268144"><a name="p1893413268144"></a><a name="p1893413268144"></a>status</p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="10%" headers="mcps1.2.3.1.2 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>number</p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="70%" headers="mcps1.2.3.1.3 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>下载任务状态。</p>
|
||||
</td>
|
||||
</tr>
|
||||
<tr id="row204321219393"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.2.3.1.1 "><p id="p1893413268144"><a name="p1893413268144"></a><a name="p1893413268144"></a>targetURI</p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="10%" headers="mcps1.2.3.1.2 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>string</p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="70%" headers="mcps1.2.3.1.3 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>下载任务URL。</p>
|
||||
</td>
|
||||
<tr id="row204321219393"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.2.3.1.1 "><p id="p1893413268144"><a name="p1893413268144"></a><a name="p1893413268144"></a>downloadTitle</p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="10%" headers="mcps1.2.3.1.2 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>string</p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="70%" headers="mcps1.2.3.1.3 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>下载任务标题。</p>
|
||||
</td>
|
||||
<tr id="row204321219393"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.2.3.1.1 "><p id="p1893413268144"><a name="p1893413268144"></a><a name="p1893413268144"></a>downloadTotalBytes</p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="10%" headers="mcps1.2.3.1.2 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>number</p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="70%" headers="mcps1.2.3.1.3 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>文件总字节数。</p>
|
||||
</td>
|
||||
</tr>
|
||||
</tbody>
|
||||
</table>
|
||||
|
||||
**表 5** UploadTask的主要接口
|
||||
<table><thead align="left"><tr id="row143351854201012"><th class="cellrowborder" valign="top" width="50%" id="mcps1.2.3.1.1"><p id="p103351154121010"><a name="p103351154121010"></a><a name="p103351154121010"></a>接口名</p>
|
||||
</th>
|
||||
<th class="cellrowborder" valign="top" width="50%" id="mcps1.2.3.1.2"><p id="p1033585416105"><a name="p1033585416105"></a><a name="p1033585416105"></a>描述</p>
|
||||
</th>
|
||||
</tr>
|
||||
</thead>
|
||||
<tbody><tr id="row204321219393"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.1 "><p id="p1893413268144"><a name="p1893413268144"></a><a name="p1893413268144"></a>on(type: 'progress', callback:AsyncCallback <uploadedSize: number, totalSize: number> => void): void</p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.2 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>开启上传任务监听，异步方法，使用callback形式返回上传进度结果。多次调用的场合最后一次调用时传入的callback有效。</p>
|
||||
</td>
|
||||
</tr>
|
||||
<tr id="row13335054111018"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.1 "><p id="p12832214151418"><a name="p12832214151418"></a><a name="p12832214151418"></a>on(type: 'headerReceive', callback: AsyncCallback<object> => void): void</p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.2 "><p id="p3335145451011"><a name="p3335145451011"></a><a name="p3335145451011"></a>开启上传任务监听，异步方法，使用callback形式返回HTTP header response结果。多次调用的场合最后一次调用时传入的callback有效。</p>
|
||||
</td>
|
||||
</tr>
|
||||
<tr id="row204321219393"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.1 "><p id="p1893413268144"><a name="p1893413268144"></a><a name="p1893413268144"></a>off(type: 'progress', callback:AsyncCallback<uploadedSize: number, totalSize: number>=> void): void</p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.2 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>关闭上传任务进度监听，异步方法，使用callback形式返回结果。</p>
|
||||
</td>
|
||||
</tr>
|
||||
<tr id="row204321219393"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.1 "><p id="p1893413268144"><a name="p1893413268144"></a><a name="p1893413268144"></a>off(type: 'headerReceive', callback:AsyncCallback<object> => void): void</p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.2 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>关闭上传任务HTTP Header response监听，异步方法，使用callback形式返回结果。</p>
|
||||
</td>
|
||||
</tr>
|
||||
<tr id="row204321219393"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.1 "><p id="p1893413268144"><a name="p1893413268144"></a><a name="p1893413268144"></a>remove(): Promise<boolean></p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.2 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>移除上传的任务，异步方法，使用promise形式返回结果。</p>
|
||||
</td>
|
||||
</tr>
|
||||
<tr id="row204321219393"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.1 "><p id="p1893413268144"><a name="p1893413268144"></a><a name="p1893413268144"></a>remove(callback: AsyncCallback<boolean>): void</p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.2 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>移除上传的任务，异步方法，使用callback形式返回结果。</p>
|
||||
</td>
|
||||
</tr>
|
||||
<tr id="row204321219393"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.1 "><p id="p1893413268144"><a name="p1893413268144"></a><a name="p1893413268144"></a>on(type: 'fail', callback: (err: number, result?: Array<string>) => void): void</p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.2 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>开启上传任务fail监听，使用callback形式返回结果。</p>
|
||||
</td>
|
||||
</tr>
|
||||
<tr id="row204321219393"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.1 "><p id="p1893413268144"><a name="p1893413268144"></a><a name="p1893413268144"></a>off(type: 'fail', callback?: (err: number, result?: Array<string>) => void): void</p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.2 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>关闭上传任务fail监听，使用callback形式返回结果。</p>
|
||||
</td>
|
||||
</tr>
|
||||
<tr id="row204321219393"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.1 "><p id="p1893413268144"><a name="p1893413268144"></a><a name="p1893413268144"></a>on(type: 'complete', callback: (code: Array<number>, result?: Array<string>) => void): void</p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.2 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>开启上传任务状态complete监听，使用callback形式返回结果。</p>
|
||||
</td>
|
||||
</tr>
|
||||
<tr id="row204321219393"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.1 "><p id="p1893413268144"><a name="p1893413268144"></a><a name="p1893413268144"></a>off(type: 'complete', callback?: (code: Array<number>, result?: Array<string>) => void): void</p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.2 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>关闭上传任务状态complete监听，使用callback形式返回结果。</p>
|
||||
</td>
|
||||
</tr>
|
||||
</tbody>
|
||||
</table>
|
||||
|
||||
**表 6** 参数 UploadConfig的描述
|
||||
<table><thead align="left"><tr id="row143351854201012"><th class="cellrowborder" valign="top" width="20%" id="mcps1.2.3.1.1"><p id="p103351154121010"><a name="p103351154121010"></a><a name="p103351154121010"></a>名称</p>
|
||||
</th>
|
||||
<th class="cellrowborder" valign="top" width="10%" id="mcps1.2.3.1.2"><p id="p1033585416105"><a name="p1033585416105"></a><a name="p1033585416105"></a>类型</p>
|
||||
</th>
|
||||
<th class="cellrowborder" valign="top" width="70%" id="mcps1.2.3.1.3"><p id="p1033585416105"><a name="p1033585416105"></a><a name="p1033585416105"></a>说明</p>
|
||||
</th>
|
||||
</tr>
|
||||
</thead>
|
||||
<tbody><tr id="row204321219393"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.2.3.1.1 "><p id="p1893413268144"><a name="p1893413268144"></a><a name="p1893413268144"></a>url</p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="10%" headers="mcps1.2.3.1.2 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>string</p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="70%" headers="mcps1.2.3.1.3 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>目标URL。
|
||||
</p>
|
||||
</td>
|
||||
</tr>
|
||||
<tr id="row204321219393"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.2.3.1.1 "><p id="p1893413268144"><a name="p1893413268144"></a><a name="p1893413268144"></a>header</p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="10%" headers="mcps1.2.3.1.2 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>Object</p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="70%" headers="mcps1.2.3.1.3 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>请求头。</p>
|
||||
</td>
|
||||
</tr>
|
||||
<tr id="row204321219393"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.2.3.1.1 "><p id="p1893413268144"><a name="p1893413268144"></a><a name="p1893413268144"></a>method</p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="10%" headers="mcps1.2.3.1.2 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>string</p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="70%" headers="mcps1.2.3.1.3 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>请求方式。</p>
|
||||
</td>
|
||||
</tr>
|
||||
<tr id="row204321219393"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.2.3.1.1 "><p id="p1893413268144"><a name="p1893413268144"></a><a name="p1893413268144"></a>files</p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="10%" headers="mcps1.2.3.1.2 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>Array<File></p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="70%" headers="mcps1.2.3.1.3 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>本地文件列表信息。</p>
|
||||
</td>
|
||||
</tr>
|
||||
<tr id="row204321219393"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.2.3.1.1 "><p id="p1893413268144"><a name="p1893413268144"></a><a name="p1893413268144"></a>data</p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="10%" headers="mcps1.2.3.1.2 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>Array<RequestData></p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="70%" headers="mcps1.2.3.1.3 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>上传请求表单列表信息。</p>
|
||||
</td>
|
||||
</tr>
|
||||
</tbody>
|
||||
</table>
|
||||
|
||||
**表 7** File 描述
|
||||
<table><thead align="left"><tr id="row143351854201012"><th class="cellrowborder" valign="top" width="20%" id="mcps1.2.3.1.1"><p id="p103351154121010"><a name="p103351154121010"></a><a name="p103351154121010"></a>名称</p>
|
||||
</th>
|
||||
<th class="cellrowborder" valign="top" width="10%" id="mcps1.2.3.1.2"><p id="p1033585416105"><a name="p1033585416105"></a><a name="p1033585416105"></a>类型</p>
|
||||
</th>
|
||||
<th class="cellrowborder" valign="top" width="70%" id="mcps1.2.3.1.3"><p id="p1033585416105"><a name="p1033585416105"></a><a name="p1033585416105"></a>说明</p>
|
||||
</th>
|
||||
</tr>
|
||||
</thead>
|
||||
<tbody><tr id="row204321219393"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.2.3.1.1 "><p id="p1893413268144"><a name="p1893413268144"></a><a name="p1893413268144"></a>filename</p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="10%" headers="mcps1.2.3.1.2 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>string</p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="70%" headers="mcps1.2.3.1.3 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>提交多部分时，请求头中的文件名。</p>
|
||||
</td>
|
||||
</tr>
|
||||
<tr id="row204321219393"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.2.3.1.1 "><p id="p1893413268144"><a name="p1893413268144"></a><a name="p1893413268144"></a>name</p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="10%" headers="mcps1.2.3.1.2 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>string</p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="70%" headers="mcps1.2.3.1.3 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>提交多部分时，表单项目的名称，缺省为file。</p>
|
||||
</td>
|
||||
</tr>
|
||||
<tr id="row204321219393"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.2.3.1.1 "><p id="p1893413268144"><a name="p1893413268144"></a><a name="p1893413268144"></a>uri</p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="10%" headers="mcps1.2.3.1.2 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>string</p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="70%" headers="mcps1.2.3.1.3 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>文件的本地存储路径。
|
||||
支持“dataability”和“internal”两种协议类型，但“internal”仅支持临时目录，示例：
|
||||
dataability:///com.domainname.dataability.persondata/person/10/file.txt
|
||||
internal://cache/path/to/file.txt</p>
|
||||
</td>
|
||||
</tr>
|
||||
<tr id="row204321219393"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.2.3.1.1 "><p id="p1893413268144"><a name="p1893413268144"></a><a name="p1893413268144"></a>type</p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="10%" headers="mcps1.2.3.1.2 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>string</p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="70%" headers="mcps1.2.3.1.3 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>文件的内容类型，默认根据文件名或路径的后缀获取。</p>
|
||||
</td>
|
||||
</tr>
|
||||
</tbody>
|
||||
</table>
|
||||
|
||||
**表 8** RequestData 描述
|
||||
<table><thead align="left"><tr id="row143351854201012"><th class="cellrowborder" valign="top" width="20%" id="mcps1.2.3.1.1"><p id="p103351154121010"><a name="p103351154121010"></a><a name="p103351154121010"></a>名称</p>
|
||||
</th>
|
||||
<th class="cellrowborder" valign="top" width="10%" id="mcps1.2.3.1.2"><p id="p1033585416105"><a name="p1033585416105"></a><a name="p1033585416105"></a>类型</p>
|
||||
</th>
|
||||
<th class="cellrowborder" valign="top" width="70%" id="mcps1.2.3.1.3"><p id="p1033585416105"><a name="p1033585416105"></a><a name="p1033585416105"></a>说明</p>
|
||||
</th>
|
||||
</tr>
|
||||
</thead>
|
||||
<tbody><tr id="row204321219393"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.2.3.1.1 "><p id="p1893413268144"><a name="p1893413268144"></a><a name="p1893413268144"></a>name</p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="10%" headers="mcps1.2.3.1.2 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>string</p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="70%" headers="mcps1.2.3.1.3 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>表单元素的名称。</p>
|
||||
</td>
|
||||
</tr>
|
||||
<tr id="row204321219393"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.2.3.1.1 "><p id="p1893413268144"><a name="p1893413268144"></a><a name="p1893413268144"></a>value</p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="10%" headers="mcps1.2.3.1.2 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>string</p>
|
||||
</td>
|
||||
<td class="cellrowborder" valign="top" width="70%" headers="mcps1.2.3.1.3 "><p id="p18761104812149"><a name="p18761104812149"></a><a name="p18761104812149"></a>表单元素的值。</p>
|
||||
</td>
|
||||
</tr>
|
||||
</tbody>
|
||||
</table>
|
||||
|
||||
### 使用说明
|
||||
|
||||
```js
|
||||
// 导入模块
|
||||
import request from '@ohos.request';
|
||||
```
|
||||
```js
|
||||
// 下载服务接口使用说明
|
||||
let downloadConfig = {
|
||||
url: 'http://mirror.bjtu.edu.cn/kernel/linux/libs/libc5/libc5.cvs.tar.gz',
|
||||
header: {},
|
||||
enableMetered: true,
|
||||
enableRoaming: true,
|
||||
description: 'download libc from mirror site',
|
||||
networkType: 1,
|
||||
filePath: '/data/libc5.cvs.tgz',
|
||||
title: 'download libc',
|
||||
}
|
||||
let downloadTask;
|
||||
|
||||
```
|
||||
1.获取DownloadTask实例
|
||||
|
||||
```js
|
||||
// 使用callback形式回调返回DownloadTask实例。
|
||||
request.download(downloadConfig, (err, data) => {
|
||||
if (err) {
|
||||
console.error('Failed to request the download. Cause: ' + JSON.stringify(err));
|
||||
return;
|
||||
}
|
||||
console.info('Success to request the download.);
|
||||
downloadTask = data;
|
||||
});
|
||||
|
||||
// 使用promise形式回调返回DownloadTask实例。
|
||||
request.download(downloadConfig).then((data) => {
|
||||
console.info('Success to request the download.);
|
||||
downloadTask = data;
|
||||
}).catch((err) => {
|
||||
console.error('Failed to request the download. Cause: ' + JSON.stringify(err));
|
||||
})
|
||||
// 使用callback形式回调返回DownloadTask实例。
|
||||
request.download(BaseContext, downloadConfig, (err, data) => {
|
||||
if (err) {
|
||||
console.error('Failed to request the download. Cause: ' + JSON.stringify(err));
|
||||
return;
|
||||
}
|
||||
console.info('Success to request the download.);
|
||||
downloadTask = data;
|
||||
});
|
||||
|
||||
// 使用promise形式回调返回DownloadTask实例。
|
||||
request.download(BaseContext, downloadConfig).then((data) => {
|
||||
console.info('Success to request the download.);
|
||||
downloadTask = data;
|
||||
}).catch((err) => {
|
||||
console.error('Failed to request the download. Cause: ' + JSON.stringify(err));
|
||||
})
|
||||
```
|
||||
2.创建监听下载进度
|
||||
|
||||
```js
|
||||
// 开启下载进度监听，使用callback形式返回下载进度结果。
|
||||
downloadTask.on('progress', (receivedSize, totalSize) => {
|
||||
console.info("download receivedSize :" + receivedSize + " totalSize :" + totalSize);
|
||||
});
|
||||
```
|
||||
3.创建监听complete事件
|
||||
|
||||
```js
|
||||
// 开启下载任务complete监听，使用callback形式返回。
|
||||
downloadTask.on('complete', () => {
|
||||
console.info("download task has been completed");
|
||||
});
|
||||
```
|
||||
4.创建监听pause事件
|
||||
|
||||
```js
|
||||
// 开启下载任务pause监听，使用callback形式返回。
|
||||
downloadTask.on('pause', () => {
|
||||
console.info("download task has been paused");
|
||||
});
|
||||
```
|
||||
5.创建监听remove事件
|
||||
|
||||
```js
|
||||
// 开启下载任务remove监听，使用callback形式返回。
|
||||
downloadTask.on('remove', () => {
|
||||
console.info("download task has been removed");
|
||||
});
|
||||
```
|
||||
6.创建监听fail事件
|
||||
|
||||
```js
|
||||
// 开启下载任务fail监听，使用callback形式返回错误码。
|
||||
downloadTask.on('fail', (error) => {
|
||||
console.info("download fail error:" + error);
|
||||
});
|
||||
```
|
||||
7.关闭监听下载进度
|
||||
|
||||
```js
|
||||
// 关闭下载任务进度监听，使用callback形式返回下载进度结果。
|
||||
downloadTask.off('progress', (receivedSize, totalSize) => {
|
||||
console.info("download receivedSize :" + receivedSize + " totalSize :" + totalSize);
|
||||
});
|
||||
```
|
||||
8.关闭监听complete事件
|
||||
|
||||
```js
|
||||
// 关闭下载任务complete监听，使用callback形式返回。
|
||||
downloadTask.off('complete', () => {
|
||||
console.info("delete complete notification");
|
||||
});
|
||||
```
|
||||
9.关闭监听pause事件
|
||||
|
||||
```js
|
||||
// 关闭下载任务pause监听，使用callback形式返回。
|
||||
downloadTask.off('pause', () => {
|
||||
console.info("delete pause notification");
|
||||
});
|
||||
```
|
||||
10.关闭监听pause事件
|
||||
|
||||
```js
|
||||
// 关闭下载任务remove监听，使用callback形式返回。
|
||||
downloadTask.off('remove', () => {
|
||||
console.info("delete remove notification");
|
||||
});
|
||||
```
|
||||
11.关闭监听fail事件
|
||||
|
||||
```js
|
||||
// 关闭下载任务fail监听，使用callback形式返回错误码。
|
||||
downloadTask.off('fail', (error) => {
|
||||
console.info("remove fail notification error:" + error);
|
||||
});
|
||||
```
|
||||
12.删除下载任务
|
||||
|
||||
```js
|
||||
// 移除下载的任务，使用promise形式返回结果。
|
||||
downloadTask.remove().then((result) => {
|
||||
if (result) {
|
||||
console.info('Success to remove the download task.(promise) ');
|
||||
} else {
|
||||
console.error('Failed to remove the download task.(promise) ');
|
||||
}
|
||||
}).catch((err) => {
|
||||
console.error('Failed to remove the download task.(promise) Cause: ' + JSON.stringify(err));
|
||||
});
|
||||
|
||||
// 移除下载的任务，使用callback形式返回结果。
|
||||
downloadTask.remove((err, result) => {
|
||||
if (err) {
|
||||
console.error('Failed to remove the download task.(callback) Cause: ' + JSON.stringify(err));
|
||||
return;
|
||||
}
|
||||
if (result) {
|
||||
console.info('Success to remove the download task.(callback) ');
|
||||
} else {
|
||||
console.error('Failed to remove the download task.(callback) ');
|
||||
}
|
||||
});
|
||||
```
|
||||
13.暂停下载
|
||||
|
||||
```js
|
||||
// 暂停下载的任务，使用promise形式返回结果。
|
||||
downloadTask.pause().then(() => {
|
||||
console.info('Success to pause the download task.(promise) ');
|
||||
}).catch((err) => {
|
||||
console.error('Failed to pause the download task.(promise) Cause: ' + JSON.stringify(err));
|
||||
});
|
||||
|
||||
// 暂停下载的任务，使用callback形式返回结果。
|
||||
downloadTask.pause((err) => {
|
||||
if (err) {
|
||||
console.error('Failed to pause the download task.(callback) Cause: ' + JSON.stringify(err));
|
||||
return;
|
||||
}
|
||||
console.info('Success to pause the download task.(callback) ');
|
||||
});
|
||||
```
|
||||
14.恢复下载
|
||||
|
||||
```js
|
||||
// 恢复下载的任务，使用promise形式返回结果。
|
||||
downloadTask.resume().then(() => {
|
||||
console.info('Success to resume the download task.(promise) ');
|
||||
}).catch((err) => {
|
||||
console.error('Failed to resume the download task.(promise) Cause: ' + JSON.stringify(err));
|
||||
});
|
||||
|
||||
// 恢复下载的任务，使用callback形式返回结果。
|
||||
downloadTask.resume((err) => {
|
||||
if (err) {
|
||||
console.error('Failed to resume the download task.(callback) Cause: ' + JSON.stringify(err));
|
||||
return;
|
||||
}
|
||||
console.info('Success to resume the download task.(callback) ');
|
||||
});
|
||||
```
|
||||
15.查询下载
|
||||
|
||||
```js
|
||||
// 查询下载的任务，使用promise形式返回结果。
|
||||
downloadTask.query().then((downloadInfo) => {
|
||||
console.info('Success to query the download task.(promise) ');
|
||||
}).catch((err) => {
|
||||
console.error('Failed to query the download task.(promise) Cause: ' + JSON.stringify(err));
|
||||
});
|
||||
|
||||
// 查询下载的任务，使用callback形式返回结果。
|
||||
downloadTask.query((err, downloadInfo) => {
|
||||
if (err) {
|
||||
console.error('Failed to query the download task.(callback) Cause: ' + JSON.stringify(err));
|
||||
return;
|
||||
}
|
||||
console.info('Success to query the download task.(callback) ');
|
||||
});
|
||||
```
|
||||
16.查询下载的mime type
|
||||
|
||||
```js
|
||||
// 查询下载任务的mime type，使用promise形式返回结果。
|
||||
downloadTask.queryMimeType().then((mime) => {
|
||||
console.info('Success to queryMimeType the download task.(promise) MimeType ' + JSON.stringify(mime));
|
||||
}).catch((err) => {
|
||||
console.error('Failed to queryMimeType the download task.(promise) Cause: ' + JSON.stringify(err));
|
||||
});
|
||||
|
||||
// 查询下载任务的mime type，使用callback形式返回结果。
|
||||
downloadTask.queryMimeType((err, mime) => {
|
||||
if (err) {
|
||||
console.error('Failed to queryMimeType the download task.(callback) Cause: ' + JSON.stringify(err));
|
||||
return;
|
||||
}
|
||||
console.info('Success to queryMimeType the download task.(promise) MimeType ' + JSON.stringify(mime));
|
||||
});
|
||||
```
|
||||
```js
|
||||
// 上传服务接口使用说明
|
||||
```
|
||||
1.上传文件创建
|
||||
|
||||
```js
|
||||
// 上传一组文件，以及添加移除progress、headerReceive、fail监听，移除上传任务。
|
||||
let url = 'http://192.168.2.211/files/';
|
||||
let file1 = { filename: "test", name: "test", uri: "internal://cache/test.jpg", type: "jpg" };
|
||||
let file2 = { filename: "test", name: "test", uri: "internal://cache/test.zip", type: "zip" };
|
||||
let file3 = { filename: "test", name: "test", uri: "internal://cache/test.mp4", type: "mp4" };
|
||||
let file4 = { filename: "test", name: "test", uri: "internal://cache/test.exe", type: "exe" };
|
||||
let file5 = { filename: "test", name: "test", uri: "internal://cache/test.pdf", type: "pdf" };
|
||||
let file6 = { filename: "test", name: "test", uri: "internal://cache/test.txt", type: "txt" };
|
||||
let largeFile = { filename: "test", name: "test", uri: "internal://cache/testLarge.txt", type: "txt" };
|
||||
let dataabilityFile = { filename: "test", name: "test",
|
||||
uri: "dataability://com.test.testApp/person/test.txt", type: "txt" };
|
||||
let files = [file1, file2, file3, file4, file5, file6, largeFile, dataabilityFile];
|
||||
let data = [{ name: "name123", value: "123" }];
|
||||
let uploadTask;
|
||||
```
|
||||
2.获取上传的UploadTask实例
|
||||
|
||||
```js
|
||||
// 使用callback形式回调返回UploadTask实例。
|
||||
request.upload({ url, header, "POST", files, data }, (err, data) => {
|
||||
if (err) {
|
||||
console.error('Failed to request the upload. Cause: ' + JSON.stringify(err));
|
||||
return;
|
||||
}
|
||||
console.info('Success to request the upload.);
|
||||
uploadTask = data;
|
||||
});
|
||||
|
||||
// 使用promise形式回调返回UploadTask实例。
|
||||
request.upload({ url, header, "POST", files, data }).then((data) => {
|
||||
console.info('Success to request the upload.);
|
||||
uploadTask = data;
|
||||
}).catch((err) => {
|
||||
console.error('Failed to request the upload. Cause: ' + JSON.stringify(err));
|
||||
})
|
||||
// 使用callback形式回调返回UploadTask实例。
|
||||
request.upload(BaseContext, { url, header, "POST", files, data }, (err, data) => {
|
||||
if (err) {
|
||||
console.error('Failed to request the upload. Cause: ' + JSON.stringify(err));
|
||||
return;
|
||||
}
|
||||
console.info('Success to request the upload.);
|
||||
uploadTask = data;
|
||||
});
|
||||
|
||||
// 使用promise形式回调返回UploadTask实例。
|
||||
request.upload(BaseContext, { url, header, "POST", files, data }).then((data) => {
|
||||
console.info('Success to request the upload.);
|
||||
uploadTask = data;
|
||||
}).catch((err) => {
|
||||
console.error('Failed to request the upload. Cause: ' + JSON.stringify(err));
|
||||
})
|
||||
```
|
||||
3.创建上传任务进度的监听
|
||||
|
||||
```js
|
||||
// 开启上传任务监听，使用callback形式返回上传进度结果。
|
||||
uploadTask.on('progress', (uploadedSize, totalSize) => {
|
||||
console.info("on progress upload uploadedSize :" + uploadedSize + " totalSize :" + totalSize);
|
||||
});
|
||||
```
|
||||
4.创建上传的HTTP header response监听事件
|
||||
|
||||
```js
|
||||
// 开启上传任务监听，使用callback形式返回HTTP header response结果。
|
||||
uploadTask.on('headerReceive', (headers) => {
|
||||
console.info("on headerReceive headers:" + JSON.stringify(headers));
|
||||
});
|
||||
```
|
||||
5.创建上传监听complete事件
|
||||
|
||||
```
|
||||
// 开启上传任务complete监听，使用callback形式返回。
|
||||
uploadTask.on('complete', (code,result) => {
|
||||
console.info("upload task has been completed"+code);
|
||||
});
|
||||
```
|
||||
6.创建上传的错误码监听事件
|
||||
|
||||
```js
|
||||
// 开启上传任务监听，使用callback形式返回错误码。
|
||||
uploadTask.on('fail', (error,result) => {
|
||||
console.info("on fail error:" + error+"result is:"+result);
|
||||
});
|
||||
```
|
||||
7.关闭上传任务进度任务监听
|
||||
|
||||
```js
|
||||
// 关闭上传任务监听，使用callback形式返回上传进度结果。
|
||||
uploadTask.off('progress', (uploadedSize, totalSize) => {
|
||||
console.info("on progress upload uploadedSize :" + uploadedSize + " totalSize :" + totalSize);
|
||||
});
|
||||
```
|
||||
8.关闭上传的HTTP header response监听事件
|
||||
|
||||
```js
|
||||
// 关闭上传任务监听，使用callback形式返回HTTP header response结果。
|
||||
uploadTask.off('headerReceive', (headers) => {
|
||||
console.info("on headerReceive headers:" + JSON.stringify(headers));
|
||||
});
|
||||
```
|
||||
9.关闭上传监听complete事件
|
||||
|
||||
```js
|
||||
// 关闭上传任务complete监听，使用callback形式返回。
|
||||
uploadTask.off('complete', (code,result) => {
|
||||
console.info("delete complete notification");
|
||||
});
|
||||
```
|
||||
10.关闭上传的错误码监听事件
|
||||
|
||||
```js
|
||||
// 关闭上传任务监听，使用callback形式返回错误码。
|
||||
uploadTask.off('fail', (error,result) => {
|
||||
console.info("on fail error:" + error+"result is:"+result);
|
||||
});
|
||||
```
|
||||
11.删除上传的任务
|
||||
|
||||
```js
|
||||
// 移除上传的任务，使用promise形式返回结果。
|
||||
uploadTask.remove().then((result) => {
|
||||
if (result) {
|
||||
console.info('Success to remove the upload task.(promise) ');
|
||||
} else {
|
||||
console.error('Failed to remove the upload task.(promise) ');
|
||||
}
|
||||
}).catch((err) => {
|
||||
console.error('Failed to remove the upload task.(promise) Cause: ' + JSON.stringify(err));
|
||||
});
|
||||
|
||||
// 移除上传的任务，使用callback形式返回结果。
|
||||
uploadTask.remove((err, result) => {
|
||||
if (err) {
|
||||
console.error('Failed to remove the upload task.(callback) Cause: ' + JSON.stringify(err));
|
||||
return;
|
||||
}
|
||||
if (result) {
|
||||
console.info('Success to remove the upload task.(callback) ');
|
||||
} else {
|
||||
console.error('Failed to remove the upload task.(callback) ');
|
||||
}
|
||||
});
|
||||
```
|
||||
|
||||
## 相关仓
|
||||
|
||||
[request_request](https://gitee.com/openharmony/request_request/tree/master/)
|
||||
[request_request](https://gitee.com/openharmony/request_request)
|
||||
BIN
figures/download_archit.png
Normal file
BIN
figures/download_archit.png
Normal file
Binary file not shown.
|
After Width: | Height: | Size: 14 KiB |
BIN
figures/upload_archit.png
Normal file
BIN
figures/upload_archit.png
Normal file
Binary file not shown.
|
After Width: | Height: | Size: 11 KiB |
Loading…
Reference in New Issue
Block a user