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提交 ec370472 编写于 作者: E esterzhou
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update doc (12835) 

Signed-off-by: Nesterzhou <ester.zhou@huawei.com>
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Showing with 115 addition and 78 deletion
en/application-dev/reference/apis/js-apis-request.md
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...@@ -44,30 +44,53 @@ Only HTTP requests are supported. HTTPS requests are not supported. ...@@ -44,30 +44,53 @@ Only HTTP requests are supported. HTTPS requests are not supported.
**System capability**: SystemCapability.MiscServices.Download **System capability**: SystemCapability.MiscServices.Download
| Name| Type| Readable| Writable| Description| ### Network Types
| -------- | -------- | -------- | -------- | -------- | You can set **networkType** in [DownloadConfig](#downloadconfig) to specify the network type for the download service.
| NETWORK_MOBILE | number | Yes| No| Whether download is allowed on a mobile network.|
| NETWORK_WIFI | number | Yes| No| Whether download is allowed on a WLAN.| | Name| Type| Value| Description|
| ERROR_CANNOT_RESUME<sup>7+</sup> | number | Yes| No| Failure to resume the download due to an error.| | -------- | -------- | -------- | -------- |
| ERROR_DEVICE_NOT_FOUND<sup>7+</sup> | number | Yes| No| Failure to find a storage device such as a memory card.| | NETWORK_MOBILE | number | 0x00000001 | Whether download is allowed on a mobile network.|
| ERROR_FILE_ALREADY_EXISTS<sup>7+</sup> | number | Yes| No| Failure to download the file because it already exists.| | NETWORK_WIFI | number | 0x00010000 | Whether download is allowed on a WLAN.|
| ERROR_FILE_ERROR<sup>7+</sup> | number | Yes| No| File operation failure.|
| ERROR_HTTP_DATA_ERROR<sup>7+</sup> | number | Yes| No| HTTP transmission failure.| ### Download Error Codes
| ERROR_INSUFFICIENT_SPACE<sup>7+</sup> | number | Yes| No| Insufficient storage space.| The table below lists the error codes that may be returned by [on('fail')<sup>7+</sup>](#onfail7)/[off('fail')<sup>7+</sup>](#offfail7)/[getTaskInfo<sup>9+</sup>](#gettaskinfo9).
| ERROR_TOO_MANY_REDIRECTS<sup>7+</sup> | number | Yes| No| Error caused by too many network redirections.|
| ERROR_UNHANDLED_HTTP_CODE<sup>7+</sup> | number | Yes| No| Unidentified HTTP code.| | Name| Type| Value| Description|
| ERROR_OFFLINE<sup>9+</sup> | number | Yes| No| No network connection.| | -------- | -------- | -------- | -------- |
| ERROR_UNSUPPORTED_NETWORK_TYPE<sup>9+</sup> | number | Yes| No| Network type mismatch.| | ERROR_CANNOT_RESUME<sup>7+</sup> | number | 0 | Failure to resume the download due to network errors.|
| ERROR_UNKNOWN<sup>7+</sup> | number | Yes| No| Unknown error.| | ERROR_DEVICE_NOT_FOUND<sup>7+</sup> | number | 1 | Failure to find a storage device such as a memory card.|
| PAUSED_QUEUED_FOR_WIFI<sup>7+</sup> | number | Yes| No| Download paused and queuing for a WLAN connection, because the file size exceeds the maximum value allowed by a mobile network session.| | ERROR_FILE_ALREADY_EXISTS<sup>7+</sup> | number | 2 | Failure to download the file because it already exists.|
| PAUSED_UNKNOWN<sup>7+</sup> | number | Yes| No| Download paused due to unknown reasons.| | ERROR_FILE_ERROR<sup>7+</sup> | number | 3 | File operation failure.|
| PAUSED_WAITING_FOR_NETWORK<sup>7+</sup> | number | Yes| No| Download paused due to a network connection problem, for example, network disconnection.| | ERROR_HTTP_DATA_ERROR<sup>7+</sup> | number | 4 | HTTP transmission failure.|
| PAUSED_WAITING_TO_RETRY<sup>7+</sup> | number | Yes| No| Download paused and then retried.| | ERROR_INSUFFICIENT_SPACE<sup>7+</sup> | number | 5 | Insufficient storage space.|
| SESSION_FAILED<sup>7+</sup> | number | Yes| No| Download failure without retry.| | ERROR_TOO_MANY_REDIRECTS<sup>7+</sup> | number | 6 | Error caused by too many network redirections.|
| SESSION_PAUSED<sup>7+</sup> | number | Yes| No| Download paused.| | ERROR_UNHANDLED_HTTP_CODE<sup>7+</sup> | number | 7 | Unidentified HTTP code.|
| SESSION_PENDING<sup>7+</sup> | number | Yes| No| Download pending.| | ERROR_UNKNOWN<sup>7+</sup> | number | 8 | Unknown error.|
| SESSION_RUNNING<sup>7+</sup> | number | Yes| No| Download in progress.| | ERROR_OFFLINE<sup>9+</sup> | number | 9 | No network connection.|
| SESSION_SUCCESSFUL<sup>7+</sup> | number | Yes| No| Successful download.| | ERROR_UNSUPPORTED_NETWORK_TYPE<sup>9+</sup> | number | 10 | Network type mismatch.|
### Causes of Download Pause
The table below lists the causes of download pause that may be returned by [getTaskInfo<sup>9+</sup>](#gettaskinfo9).
| Name| Type| Value| Description|
| -------- | -------- | -------- | -------- |
| PAUSED_QUEUED_FOR_WIFI<sup>7+</sup> | number | 0 | Download paused and queuing for a WLAN connection, because the file size exceeds the maximum value allowed by a mobile network session.|
| PAUSED_WAITING_FOR_NETWORK<sup>7+</sup> | number | 1 | Download paused due to a network connection problem, for example, network disconnection.|
| PAUSED_WAITING_TO_RETRY<sup>7+</sup> | number | 2 | Download paused and then retried.|
| PAUSED_BY_USER<sup>9+</sup> | number | 3 | The user paused the session. |
| PAUSED_UNKNOWN<sup>7+</sup> | number | 4 | Download paused due to unknown reasons.|
### Download Task Status Codes
The table below lists the download task status codes that may be returned by [getTaskInfo<sup>9+</sup>](#gettaskinfo9).
| Name| Type| Value| Description|
| -------- | -------- | -------- | -------- |
| SESSION_SUCCESSFUL<sup>7+</sup> | number | 0 | Successful download.|
| SESSION_RUNNING<sup>7+</sup> | number | 1 | Download in progress.|
| SESSION_PENDING<sup>7+</sup> | number | 2 | Download pending.|
| SESSION_PAUSED<sup>7+</sup> | number | 3 | Download paused.|
| SESSION_FAILED<sup>7+</sup> | number | 4 | Download failure without retry.|
## request.uploadFile<sup>9+</sup> ## request.uploadFile<sup>9+</sup>
...@@ -112,11 +135,15 @@ For details about the error codes, see [Upload and Download Error Codes](../erro ...@@ -112,11 +135,15 @@ For details about the error codes, see [Upload and Download Error Codes](../erro
files: [{ filename: "test", name: "test", uri: "internal://cache/test.jpg", type: "jpg" }], files: [{ filename: "test", name: "test", uri: "internal://cache/test.jpg", type: "jpg" }],
data: [{ name: "name123", value: "123" }], data: [{ name: "name123", value: "123" }],
}; };
try {
request.uploadFile(globalThis.abilityContext, uploadConfig).then((data) => { request.uploadFile(globalThis.abilityContext, uploadConfig).then((data) => {
uploadTask = data; uploadTask = data;
}).catch((err) => { }).catch((err) => {
console.error('Failed to request the upload. Cause: ' + JSON.stringify(err)); console.error('Failed to request the upload. Cause: ' + JSON.stringify(err));
}); });
} catch (err) {
console.error('err.code : ' + err.code + ', err.message : ' + err.message);
}
``` ```
...@@ -156,6 +183,7 @@ For details about the error codes, see [Upload and Download Error Codes](../erro ...@@ -156,6 +183,7 @@ For details about the error codes, see [Upload and Download Error Codes](../erro
files: [{ filename: "test", name: "test", uri: "internal://cache/test.jpg", type: "jpg" }], files: [{ filename: "test", name: "test", uri: "internal://cache/test.jpg", type: "jpg" }],
data: [{ name: "name123", value: "123" }], data: [{ name: "name123", value: "123" }],
}; };
try {
request.uploadFile(globalThis.abilityContext, uploadConfig, (err, data) => { request.uploadFile(globalThis.abilityContext, uploadConfig, (err, data) => {
if (err) { if (err) {
console.error('Failed to request the upload. Cause: ' + JSON.stringify(err)); console.error('Failed to request the upload. Cause: ' + JSON.stringify(err));
...@@ -163,6 +191,9 @@ For details about the error codes, see [Upload and Download Error Codes](../erro ...@@ -163,6 +191,9 @@ For details about the error codes, see [Upload and Download Error Codes](../erro
} }
uploadTask = data; uploadTask = data;
}); });
} catch (err) {
console.error('err.code : ' + err.code + ', err.message : ' + err.message);
}
``` ```
## request.upload<sup>(deprecated)</sup> ## request.upload<sup>(deprecated)</sup>
...@@ -348,8 +379,6 @@ Uploads files. This API uses an asynchronous callback to return the result. ...@@ -348,8 +379,6 @@ Uploads files. This API uses an asynchronous callback to return the result.
Implements file uploads. Before using any APIs of this class, you must obtain an **UploadTask** object through [request.uploadFile<sup>9+</sup>](#requestuploadfile9) in promise mode or [request.uploadFile<sup>9+</sup>](#requestuploadfile9-1) in callback mode. Implements file uploads. Before using any APIs of this class, you must obtain an **UploadTask** object through [request.uploadFile<sup>9+</sup>](#requestuploadfile9) in promise mode or [request.uploadFile<sup>9+</sup>](#requestuploadfile9-1) in callback mode.
### on('progress') ### on('progress')
on(type: 'progress', callback:(uploadedSize: number, totalSize: number) =&gt; void): void on(type: 'progress', callback:(uploadedSize: number, totalSize: number) =&gt; void): void
...@@ -367,12 +396,12 @@ Subscribes to an upload event. This API uses an asynchronous callback to return ...@@ -367,12 +396,12 @@ Subscribes to an upload event. This API uses an asynchronous callback to return
| type | string | Yes| Type of the event to subscribe to. The value is **'progress'** (upload progress).| | type | string | Yes| Type of the event to subscribe to. The value is **'progress'** (upload progress).|
| callback | function | Yes| Callback for the upload progress event.| | callback | function | Yes| Callback for the upload progress event.|
Parameters of the callback function Parameters of the callback function
| Name| Type| Mandatory| Description| | Name| Type| Mandatory| Description|
| -------- | -------- | -------- | -------- | | -------- | -------- | -------- | -------- |
| uploadedSize | number | Yes| Size of the uploaded files, in KB.| | uploadedSize | number | Yes| Size of the uploaded files, in bytes. |
| totalSize | number | Yes| Total size of the files to upload, in KB.| | totalSize | number | Yes| Total size of the files to upload, in bytes. |
**Example** **Example**
...@@ -401,7 +430,7 @@ Subscribes to an upload event. This API uses an asynchronous callback to return ...@@ -401,7 +430,7 @@ Subscribes to an upload event. This API uses an asynchronous callback to return
| type | string | Yes| Type of the event to subscribe to. The value is **'headerReceive'** (response header).| | type | string | Yes| Type of the event to subscribe to. The value is **'headerReceive'** (response header).|
| callback | function | Yes| Callback for the HTTP Response Header event.| | callback | function | Yes| Callback for the HTTP Response Header event.|
Parameters of the callback function Parameters of the callback function
| Name| Type| Mandatory| Description| | Name| Type| Mandatory| Description|
| -------- | -------- | -------- | -------- | | -------- | -------- | -------- | -------- |
...@@ -434,7 +463,7 @@ Subscribes to an upload event. This API uses an asynchronous callback to return ...@@ -434,7 +463,7 @@ Subscribes to an upload event. This API uses an asynchronous callback to return
| type | string | Yes| Type of the event to subscribe to. The value **'complete'** means the upload completion event, and **'fail'** means the upload failure event.| | type | string | Yes| Type of the event to subscribe to. The value **'complete'** means the upload completion event, and **'fail'** means the upload failure event.|
| callback | Callback&lt;Array&lt;TaskState&gt;&gt; | Yes| Callback used to return the result.| | callback | Callback&lt;Array&lt;TaskState&gt;&gt; | Yes| Callback used to return the result.|
Parameters of the callback function Parameters of the callback function
| Name| Type| Mandatory| Description| | Name| Type| Mandatory| Description|
| -------- | -------- | -------- | -------- | | -------- | -------- | -------- | -------- |
...@@ -480,8 +509,8 @@ Unsubscribes from an upload event. This API uses an asynchronous callback to ret ...@@ -480,8 +509,8 @@ Unsubscribes from an upload event. This API uses an asynchronous callback to ret
| Name| Type| Mandatory| Description| | Name| Type| Mandatory| Description|
| -------- | -------- | -------- | -------- | | -------- | -------- | -------- | -------- |
| uploadedSize | number | Yes| Size of the uploaded files, in KB.| | uploadedSize | number | Yes| Size of the uploaded files, in bytes. |
| totalSize | number | Yes| Total size of the files to upload, in KB.| | totalSize | number | Yes| Total size of the files to upload, in bytes. |
**Example** **Example**
...@@ -510,7 +539,7 @@ Unsubscribes from an upload event. This API uses an asynchronous callback to ret ...@@ -510,7 +539,7 @@ Unsubscribes from an upload event. This API uses an asynchronous callback to ret
| type | string | Yes| Type of the event to unsubscribe from. The value is **'headerReceive'** (response header).| | type | string | Yes| Type of the event to unsubscribe from. The value is **'headerReceive'** (response header).|
| callback | function | No| Callback for the HTTP Response Header event.| | callback | function | No| Callback for the HTTP Response Header event.|
Parameters of the callback function Parameters of the callback function
| Name| Type| Mandatory| Description| | Name| Type| Mandatory| Description|
| -------- | -------- | -------- | -------- | | -------- | -------- | -------- | -------- |
...@@ -542,7 +571,7 @@ Unsubscribes from an upload event. This API uses an asynchronous callback to ret ...@@ -542,7 +571,7 @@ Unsubscribes from an upload event. This API uses an asynchronous callback to ret
| type | string | Yes| Type of the event to subscribe to. The value **'complete'** means the upload completion event, and **'fail'** means the upload failure event.| | type | string | Yes| Type of the event to subscribe to. The value **'complete'** means the upload completion event, and **'fail'** means the upload failure event.|
| callback | Callback&lt;Array&lt;TaskState&gt;&gt; | No| Callback used to return the result.| | callback | Callback&lt;Array&lt;TaskState&gt;&gt; | No| Callback used to return the result.|
Parameters of the callback function Parameters of the callback function
| Name| Type| Mandatory| Description| | Name| Type| Mandatory| Description|
| -------- | -------- | -------- | -------- | | -------- | -------- | -------- | -------- |
...@@ -600,7 +629,7 @@ Deletes this upload task. This API uses a promise to return the result. ...@@ -600,7 +629,7 @@ Deletes this upload task. This API uses a promise to return the result.
delete(callback: AsyncCallback&lt;boolean&gt;): void delete(callback: AsyncCallback&lt;boolean&gt;): void
Removes this upload task. This API uses an asynchronous callback to return the result. Deletes this upload task. This API uses an asynchronous callback to return the result.
**Required permissions**: ohos.permission.INTERNET **Required permissions**: ohos.permission.INTERNET
...@@ -787,11 +816,15 @@ For details about the error codes, see [Upload and Download Error Codes](../erro ...@@ -787,11 +816,15 @@ For details about the error codes, see [Upload and Download Error Codes](../erro
```js ```js
let downloadTask; let downloadTask;
try {
request.downloadFile(globalThis.abilityContext, { url: 'https://xxxx/xxxx.hap' }).then((data) => { request.downloadFile(globalThis.abilityContext, { url: 'https://xxxx/xxxx.hap' }).then((data) => {
downloadTask = data; downloadTask = data;
}).catch((err) => { }).catch((err) => {
console.error('Failed to request the download. Cause: ' + JSON.stringify(err)); console.error('Failed to request the download. Cause: ' + JSON.stringify(err));
}) })
} catch (err) {
console.error('err.code : ' + err.code + ', err.message : ' + err.message);
}
``` ```
...@@ -826,6 +859,7 @@ For details about the error codes, see [Upload and Download Error Codes](../erro ...@@ -826,6 +859,7 @@ For details about the error codes, see [Upload and Download Error Codes](../erro
```js ```js
let downloadTask; let downloadTask;
try {
request.downloadFile(globalThis.abilityContext, { url: 'https://xxxx/xxxxx.hap', request.downloadFile(globalThis.abilityContext, { url: 'https://xxxx/xxxxx.hap',
filePath: 'xxx/xxxxx.hap'}, (err, data) => { filePath: 'xxx/xxxxx.hap'}, (err, data) => {
if (err) { if (err) {
...@@ -834,6 +868,9 @@ For details about the error codes, see [Upload and Download Error Codes](../erro ...@@ -834,6 +868,9 @@ For details about the error codes, see [Upload and Download Error Codes](../erro
} }
downloadTask = data; downloadTask = data;
}); });
} catch (err) {
console.error('err.code : ' + err.code + ', err.message : ' + err.message);
}
``` ```
## request.download<sup>(deprecated)</sup> ## request.download<sup>(deprecated)</sup>
...@@ -1015,8 +1052,8 @@ Subscribes to a download event. This API uses an asynchronous callback to return ...@@ -1015,8 +1052,8 @@ Subscribes to a download event. This API uses an asynchronous callback to return
| Name| Type| Mandatory| Description| | Name| Type| Mandatory| Description|
| -------- | -------- | -------- | -------- | | -------- | -------- | -------- | -------- |
| receivedSize | number | Yes| Size of the downloaded files, in KB.| | receivedSize | number | Yes| Size of the downloaded files, in bytes. |
| totalSize | number | Yes| Total size of the files to download, in KB.| | totalSize | number | Yes| Total size of the files to download, in bytes. |
**Example** **Example**
...@@ -1045,12 +1082,12 @@ Unsubscribes from a download event. This API uses an asynchronous callback to re ...@@ -1045,12 +1082,12 @@ Unsubscribes from a download event. This API uses an asynchronous callback to re
| type | string | Yes| Type of the event to unsubscribe from. The value is **'progress'** (download progress).| | type | string | Yes| Type of the event to unsubscribe from. The value is **'progress'** (download progress).|
| callback | function | No| Callback for the download progress event.| | callback | function | No| Callback for the download progress event.|
Parameters of the callback function Parameters of the callback function
| Name| Type| Mandatory| Description| | Name| Type| Mandatory| Description|
| -------- | -------- | -------- | -------- | | -------- | -------- | -------- | -------- |
| receivedSize | number | Yes| Size of the downloaded files.| | receivedSize | number | Yes| Size of the downloaded files, in bytes. |
| totalSize | number | Yes| Total size of the files to download.| | totalSize | number | Yes| Total size of the files to download, in bytes. |
**Example** **Example**
...@@ -1133,11 +1170,11 @@ Subscribes to the download task failure event. This API uses an asynchronous cal ...@@ -1133,11 +1170,11 @@ Subscribes to the download task failure event. This API uses an asynchronous cal
| type | string | Yes| Type of the event to subscribe to. The value is **'fail'** (download failure).| | type | string | Yes| Type of the event to subscribe to. The value is **'fail'** (download failure).|
| callback | function | Yes| Callback for the download task failure event.| | callback | function | Yes| Callback for the download task failure event.|
Parameters of the callback function Parameters of the callback function
| Name| Type| Mandatory| Description| | Name| Type| Mandatory| Description|
| -------- | -------- | -------- | -------- | | -------- | -------- | -------- | -------- |
| err | number | Yes| Error code of the download failure. For details about the error codes, see [ERROR_*](#constants).| | err | number | Yes| Error code of the download failure. For details about the error codes, see [Download Error Codes](#download-error-codes).|
**Example** **Example**
...@@ -1166,11 +1203,11 @@ Unsubscribes from the download task failure event. This API uses an asynchronous ...@@ -1166,11 +1203,11 @@ Unsubscribes from the download task failure event. This API uses an asynchronous
| type | string | Yes| Type of the event to unsubscribe from. The value is **'fail'** (download failure).| | type | string | Yes| Type of the event to unsubscribe from. The value is **'fail'** (download failure).|
| callback | function | No| Callback for the download task failure event.| | callback | function | No| Callback for the download task failure event.|
Parameters of the callback function Parameters of the callback function
| Name| Type| Mandatory| Description| | Name| Type| Mandatory| Description|
| -------- | -------- | -------- | -------- | | -------- | -------- | -------- | -------- |
| err | number | Yes| Error code of the download failure. For details about the error codes, see [ERROR_*](#constants).| | err | number | Yes| Error code of the download failure. For details about the error codes, see [Download Error Codes](#download-error-codes).|
**Example** **Example**
...@@ -1181,7 +1218,7 @@ Unsubscribes from the download task failure event. This API uses an asynchronous ...@@ -1181,7 +1218,7 @@ Unsubscribes from the download task failure event. This API uses an asynchronous
); );
``` ```
### delete<sup>9+</sup> ### delete<sup>9+</sup>
delete(): Promise&lt;boolean&gt; delete(): Promise&lt;boolean&gt;
...@@ -1249,7 +1286,7 @@ Removes this download task. This API uses an asynchronous callback to return the ...@@ -1249,7 +1286,7 @@ Removes this download task. This API uses an asynchronous callback to return the
getTaskInfo(): Promise&lt;DownloadInfo&gt; getTaskInfo(): Promise&lt;DownloadInfo&gt;
Queries this download task. This API uses a promise to return the result. Obtains the information about this download task. This API uses a promise to return the result.
**Required permissions**: ohos.permission.INTERNET **Required permissions**: ohos.permission.INTERNET
...@@ -1276,7 +1313,7 @@ Queries this download task. This API uses a promise to return the result. ...@@ -1276,7 +1313,7 @@ Queries this download task. This API uses a promise to return the result.
getTaskInfo(callback: AsyncCallback&lt;DownloadInfo&gt;): void getTaskInfo(callback: AsyncCallback&lt;DownloadInfo&gt;): void
Queries this download task. This API uses an asynchronous callback to return the result. Obtains the information about this download task. This API uses an asynchronous callback to return the result.
**Required permissions**: ohos.permission.INTERNET **Required permissions**: ohos.permission.INTERNET
...@@ -1842,12 +1879,12 @@ Resumes this download task. This API uses an asynchronous callback to return the ...@@ -1842,12 +1879,12 @@ Resumes this download task. This API uses an asynchronous callback to return the
| -------- | -------- | -------- | -------- | | -------- | -------- | -------- | -------- |
| url | string | Yes| Resource URL.| | url | string | Yes| Resource URL.|
| header | Object | No| HTTPS flag header to be included in the download request.<br>The **X-TLS-Version** parameter in **header** specifies the TLS version to be used. If this parameter is not set, the CURL_SSLVERSION_TLSv1_2 version is used. Available options are as follows:<br>CURL_SSLVERSION_TLSv1_0<br>CURL_SSLVERSION_TLSv1_1<br>CURL_SSLVERSION_TLSv1_2<br>CURL_SSLVERSION_TLSv1_3<br>The **X-Cipher-List** parameter in **header** specifies the cipher suite list to be used. If this parameter is not specified, the secure cipher suite list is used. Available options are as follows:<br>- The TLS 1.2 cipher suite list includes the following ciphers:<br>TLS_DHE_RSA_WITH_AES_128_GCM_SHA256,TLS_DHE_RSA_WITH_AES_256_GCM_SHA384,<br>TLS_DHE_DSS_WITH_AES_128_GCM_SHA256,TLS_DSS_RSA_WITH_AES_256_GCM_SHA384,<br>TLS_PSK_WITH_AES_256_GCM_SHA384,TLS_DHE_PSK_WITH_AES_128_GCM_SHA256,<br>TLS_DHE_PSK_WITH_AES_256_GCM_SHA384,TLS_DHE_PSK_WITH_CHACHA20_POLY1305_SHA256,<br>TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,<br>TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384,<br>TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256,TLS_ECDHE_PSK_WITH_CHACHA20_POLY1305_SHA256,<br>TLS_ECDHE_PSK_WITH_AES_128_GCM_SHA256,TLS_ECDHE_PSK_WITH_AES_256_GCM_SHA384,<br>TLS_ECDHE_PSK_WITH_AES_128_GCM_SHA256,TLS_DHE_RSA_WITH_AES_128_CCM,<br>TLS_DHE_RSA_WITH_AES_256_CCM,TLS_DHE_RSA_WITH_CHACHA20_POLY1305_SHA256,<br>TLS_PSK_WITH_AES_256_CCM,TLS_DHE_PSK_WITH_AES_128_CCM,<br>TLS_DHE_PSK_WITH_AES_256_CCM,TLS_ECDHE_ECDSA_WITH_AES_128_CCM,<br>TLS_ECDHE_ECDSA_WITH_AES_256_CCM,TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256<br>- The TLS 1.3 cipher suite list includes the following ciphers:<br>TLS_AES_128_GCM_SHA256,TLS_AES_256_GCM_SHA384,TLS_CHACHA20_POLY1305_SHA256,TLS_AES_128_CCM_SHA256<br>- The TLS 1.3 cipher suite list adds the Chinese national cryptographic algorithm:<br>TLS_SM4_GCM_SM3,TLS_SM4_CCM_SM3 | | header | Object | No| HTTPS flag header to be included in the download request.<br>The **X-TLS-Version** parameter in **header** specifies the TLS version to be used. If this parameter is not set, the CURL_SSLVERSION_TLSv1_2 version is used. Available options are as follows:<br>CURL_SSLVERSION_TLSv1_0<br>CURL_SSLVERSION_TLSv1_1<br>CURL_SSLVERSION_TLSv1_2<br>CURL_SSLVERSION_TLSv1_3<br>The **X-Cipher-List** parameter in **header** specifies the cipher suite list to be used. If this parameter is not specified, the secure cipher suite list is used. Available options are as follows:<br>- The TLS 1.2 cipher suite list includes the following ciphers:<br>TLS_DHE_RSA_WITH_AES_128_GCM_SHA256,TLS_DHE_RSA_WITH_AES_256_GCM_SHA384,<br>TLS_DHE_DSS_WITH_AES_128_GCM_SHA256,TLS_DSS_RSA_WITH_AES_256_GCM_SHA384,<br>TLS_PSK_WITH_AES_256_GCM_SHA384,TLS_DHE_PSK_WITH_AES_128_GCM_SHA256,<br>TLS_DHE_PSK_WITH_AES_256_GCM_SHA384,TLS_DHE_PSK_WITH_CHACHA20_POLY1305_SHA256,<br>TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,<br>TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384,<br>TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256,TLS_ECDHE_PSK_WITH_CHACHA20_POLY1305_SHA256,<br>TLS_ECDHE_PSK_WITH_AES_128_GCM_SHA256,TLS_ECDHE_PSK_WITH_AES_256_GCM_SHA384,<br>TLS_ECDHE_PSK_WITH_AES_128_GCM_SHA256,TLS_DHE_RSA_WITH_AES_128_CCM,<br>TLS_DHE_RSA_WITH_AES_256_CCM,TLS_DHE_RSA_WITH_CHACHA20_POLY1305_SHA256,<br>TLS_PSK_WITH_AES_256_CCM,TLS_DHE_PSK_WITH_AES_128_CCM,<br>TLS_DHE_PSK_WITH_AES_256_CCM,TLS_ECDHE_ECDSA_WITH_AES_128_CCM,<br>TLS_ECDHE_ECDSA_WITH_AES_256_CCM,TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256<br>- The TLS 1.3 cipher suite list includes the following ciphers:<br>TLS_AES_128_GCM_SHA256,TLS_AES_256_GCM_SHA384,TLS_CHACHA20_POLY1305_SHA256,TLS_AES_128_CCM_SHA256<br>- The TLS 1.3 cipher suite list adds the Chinese national cryptographic algorithm:<br>TLS_SM4_GCM_SM3,TLS_SM4_CCM_SM3 |
| enableMetered | boolean | No| Whether download is allowed on a metered connection.<br>- **true**: yes<br>- **false**: no| | enableMetered | boolean | No| Whether download is allowed on a metered connection.<br>- **true**: allowed<br>- **false**: not allowed |
| enableRoaming | boolean | No| Whether download is allowed on a roaming network.<br>- **true**: yes<br>- **false**: no| | enableRoaming | boolean | No| Whether download is allowed on a roaming network.<br>- **true**: allowed<br>- **false**: not allowed |
| description | string | No| Description of the download session.| | description | string | No| Description of the download session.|
| filePath<sup>7+</sup> | string | No| Download path. (The default path is **'internal://cache/'**.)<br>- filePath:'workspace/test.txt': The **workspace** directory is created in the default path to store files.<br>- filePath:'test.txt': Files are stored in the default path.<br>- filePath:'workspace/': The **workspace** directory is created in the default path to store files.| | filePath<sup>7+</sup> | string | No| Path where the downloaded file is stored.<br>- filePath:'/data/storage/el2/base/haps/entry/files/test.txt': Save the file to an absolute path.<br>- In the FA model, use [context](js-apis-inner-app-context.md#contextgetcachedir) to obtain the cache directory of the application, for example, **'${featureAbility.getContext().getFilesDir()}/test.txt'**, and store the file in this directory.<br>- In the stage model, use [AbilityContext](js-apis-inner-application-context.md) to obtain the fie path, for example, **'${globalThis.abilityContext.tempDir}/test.txt'**, and store the file in this path.|
| networkType | number | No| Network type allowed for download.<br>- NETWORK_MOBILE: 0x00000001<br>- NETWORK_WIFI: 0x00010000| | networkType | number | No| Network type allowed for download.<br>- NETWORK_MOBILE: 0x00000001<br>- NETWORK_WIFI: 0x00010000|
| title | string | No| Title of the download session.| | title | string | No| Download task name.|
| background<sup>9+</sup> | boolean | No| Whether to enable the background task notification. When this parameter is enabled, the download status is displayed in the notification panel.| | background<sup>9+</sup> | boolean | No| Whether to enable the background task notification. When this parameter is enabled, the download status is displayed in the notification panel.|
...@@ -1860,13 +1897,13 @@ Resumes this download task. This API uses an asynchronous callback to return the ...@@ -1860,13 +1897,13 @@ Resumes this download task. This API uses an asynchronous callback to return the
| Name| Type| Mandatory| Description| | Name| Type| Mandatory| Description|
| -------- | -------- | -------- | -------- | | -------- | -------- | -------- | -------- |
| downloadId | number | Yes| ID of the downloaded file.| | downloadId | number | Yes| ID of the downloaded file.|
| failedReason | number | No| Download failure cause, which can be any constant of [ERROR_*](#constants).| | failedReason | number | No| Cause of the download failure. The value can be any constant in [Download Error Codes](#download-error-codes).|
| fileName | string | Yes| Name of the downloaded file.| | fileName | string | Yes| Name of the downloaded file.|
| filePath | string | Yes| URI of the saved file.| | filePath | string | Yes| URI of the saved file.|
| pausedReason | number | No| Reason for session pause, which can be any constant of [PAUSED_*](#constants).| | pausedReason | number | No| Cause of download pause. The value can be any constant in [Causes of Download Pause](#causes-of-download-pause).|
| status | number | Yes| Download status code, which can be any constant of [SESSION_*](#constants).| | status | number | Yes| Download task status code. The value can be any constant in [Download Task Status Codes](#download-task-status-codes).|
| targetURI | string | Yes| URI of the downloaded file.| | targetURI | string | Yes| URI of the downloaded file.|
| downloadTitle | string | Yes| Title of the downloaded file.| | downloadTitle | string | Yes| Download task name.|
| downloadTotalBytes | number | Yes| Total size of the files to download (int bytes).| | downloadTotalBytes | number | Yes| Total size of the files to download, in bytes.|
| description | string | Yes| Description of the file to download.| | description | string | Yes| Description of the file to download.|
| downloadedBytes | number | Yes| Size of the files downloaded (int bytes).| | downloadedBytes | number | Yes| Size of the files downloaded, in bytes.|
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