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!16364 [翻译完成】#I6LMDK (15869+15956+15849) 

Merge pull request !16364 from Annie_wang/PR15808
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en/application-dev/reference/apis/js-apis-fileAccess.md
浏览文件 @ fccc2de1
......@@ -6,6 +6,7 @@ The **fileAccess** module is a framework for accessing and operating user files
>
>- The initial APIs of this module are supported since API version 9. Newly added APIs will be marked with a superscript to indicate their earliest API version.
>- The APIs provided by this module are system APIs and cannot be called by third-party applications. Currently, the APIs can be called only by **FilePicker** and **Files**.
>- The APIs of this module support processing of error codes. For details, see [File Management Error Codes](../errorcodes/errorcode-filemanagement.md).
## Modules to Import
......@@ -25,9 +26,9 @@ Obtains information about all wants with **extension** set to **fileAccess** in
**Return value**
| Type| Description|
| --- | -- |
| Promise<Array<Want>> | Promise used to return the **want** information obtained.|
| Type| Description|
| --- | -- |
| Promise<Array<Want>> | Promise used to return the **want** information obtained.|
**Example**
......@@ -55,9 +56,9 @@ Obtains information about all wants with **extension** set to **fileAccess** in
**Parameters**
| Name| Type| Mandatory| Description|
| --- | --- | --- | -- |
| callback | AsyncCallback<Array<Want>> | Yes| Promise used to return the **want** information obtained.|
| Name| Type| Mandatory| Description|
| --- | --- | --- | -- |
| callback | AsyncCallback<Array<Want>> | Yes| Promise used to return the **want** information obtained.|
**Example**
......@@ -89,16 +90,16 @@ Synchronously creates a **Helper** object to connect to the specified wants. The
**Parameters**
| Name| Type| Mandatory| Description|
| --- | --- | --- | -- |
| context | Context | Yes| Context of the ability.|
| wants | Array<Want> | Yes| Wants to connect.|
| Name| Type| Mandatory| Description|
| --- | --- | --- | -- |
| context | Context | Yes| Context of the ability.|
| wants | Array<Want> | Yes| Wants to connect.|
**Return value**
| Type| Description|
| --- | -- |
| FileAccessHelper | **Helper** object created.|
| Type| Description|
| --- | -- |
| FileAccessHelper | **Helper** object created.|
**Example**
......@@ -136,15 +137,15 @@ Synchronously creates a **Helper** object to connect to all file management serv
**Parameters**
| Name| Type| Mandatory| Description|
| --- | --- | --- | -- |
| context | Context | Yes| Context of the ability.|
| Name| Type| Mandatory| Description|
| --- | --- | --- | -- |
| context | Context | Yes| Context of the ability.|
**Return value**
| Type| Description|
| --- | -- |
| FileAccessHelper | **Helper** object created.|
| Type| Description|
| --- | -- |
| FileAccessHelper | **Helper** object created.|
**Example**
......@@ -175,9 +176,9 @@ Obtains information about the device root nodes of the file management service t
**Return value**
| Type| Description|
| --- | -- |
| Promise<RootIterator> | Promise used to return the **RootIterator** object obtained.|
| Type| Description|
| --- | -- |
| Promise<RootIterator> | Promise used to return the **RootIterator** object obtained.|
**Example**
......@@ -220,9 +221,9 @@ The callback has a **RootIterator** object, which returns [RootInfo](#rootinfo)
**Parameters**
| Name| Type| Mandatory| Description|
| --- | --- | --- | -- |
| callback | AsyncCallback<RootIterator> | Yes| Promise used to return the **RootIterator** object obtained.|
| Name| Type| Mandatory| Description|
| --- | --- | --- | -- |
| callback | AsyncCallback<RootIterator> | Yes| Promise used to return the **RootIterator** object obtained.|
**Example**
......@@ -263,16 +264,16 @@ Synchronously obtains the **FileIterator** object of the first-level files (dire
**Parameters**
| Name| Type| Mandatory| Description|
| --- | --- | -- | -- |
| filter | Filter | No| **Filter** object. |
| Name| Type| Mandatory| Description|
| --- | --- | -- | -- |
| filter | Filter | No| **Filter** object. |
**Return value**
| Type| Description|
| --- | -- |
| FileIterator | **FileIterator** object obtained.|
| Type| Description|
| --- | -- |
| FileIterator | **FileIterator** object obtained.|
**Example**
......@@ -314,15 +315,15 @@ Recursively obtains the **FileIterator** object of the files matching the condit
**Parameters**
| Name| Type| Mandatory| Description|
| --- | --- | -- | -- |
| filter | Filter | No| **Filter** object. |
| Name| Type| Mandatory| Description|
| --- | --- | -- | -- |
| filter | Filter | No| **Filter** object. |
**Return value**
| Type| Description|
| --- | -- |
| FileIterator | **FileIterator** object obtained.|
| Type| Description|
| --- | -- |
| FileIterator | **FileIterator** object obtained.|
**Example**
......@@ -364,15 +365,15 @@ Synchronously obtains the **FileIterator** object of the next-level files (direc
**Parameters**
| Name| Type| Mandatory| Description|
| --- | --- | -- | -- |
| filter | Filter | No| **Filter** object. |
| Name| Type| Mandatory| Description|
| --- | --- | -- | -- |
| filter | Filter | No| **Filter** object. |
**Return value**
| Type| Description|
| --- | -- |
| FileIterator | **FileIterator** object obtained.|
| Type| Description|
| --- | -- |
| FileIterator | **FileIterator** object obtained.|
**Example**
......@@ -414,16 +415,16 @@ Recursively obtains the **FileIterator** object of the files matching the condit
**Parameters**
| Name| Type| Mandatory| Description|
| --- | --- | -- | -- |
| filter | Filter | No| **Filter** object. |
| Name| Type| Mandatory| Description|
| --- | --- | -- | -- |
| filter | Filter | No| **Filter** object. |
**Return value**
| Type| Description|
| --- | -- |
| FileIterator | **FileIterator** object obtained.|
| Type| Description|
| --- | -- |
| FileIterator | **FileIterator** object obtained.|
**Example**
......@@ -465,10 +466,10 @@ Creates a file in a directory. This API uses a promise to return the result.
**Parameters**
| Name| Type| Mandatory| Description|
| --- | --- | --- | -- |
| uri | string | Yes| URI of the parent directory for the file to create.|
| displayName | string | Yes| Name of the file to create. By default, the name of a local file must contain the file name extension.|
| Name| Type| Mandatory| Description|
| --- | --- | --- | -- |
| uri | string | Yes| URI of the parent directory for the file to create.|
| displayName | string | Yes| Name of the file to create. By default, the name of a local file must contain the file name extension.|
**Return value**
......@@ -510,11 +511,11 @@ Creates a file in a directory. This API uses an asynchronous callback to return
**Parameters**
| Name| Type| Mandatory| Description|
| --- | --- | --- | -- |
| uri | string | Yes| URI of the parent directory for the file to create.|
| displayName | string | Yes| Name of the file to create. By default, the name of a local file must contain the file name extension.|
| callback | AsyncCallback<string> | Yes| Promise used to return the URI of the file created.|
| Name| Type| Mandatory| Description|
| --- | --- | --- | -- |
| uri | string | Yes| URI of the parent directory for the file to create.|
| displayName | string | Yes| Name of the file to create. By default, the name of a local file must contain the file name extension.|
| callback | AsyncCallback<string> | Yes| Promise used to return the URI of the file created.|
**Example**
......@@ -550,10 +551,10 @@ Creates a directory. This API uses a promise to return the result.
**Parameters**
| Name| Type| Mandatory| Description|
| --- | --- | --- | -- |
| parentUri | string | Yes| URI of the parent directory for the directory to create.|
| displayName | string | Yes| Name of the directory to create.|
| Name| Type| Mandatory| Description|
| --- | --- | --- | -- |
| parentUri | string | Yes| URI of the parent directory for the directory to create.|
| displayName | string | Yes| Name of the directory to create.|
**Return value**
......@@ -595,11 +596,11 @@ Creates a directory. This API uses an asynchronous callback to return the result
**Parameters**
| Name| Type| Mandatory| Description|
| --- | --- | --- | -- |
| parentUri | string | Yes| URI of the parent directory for the directory to create.|
| displayName | string | Yes| Name of the directory to create.|
| callback | AsyncCallback<string> | Yes| Promise used to return the URI of the directory created.|
| Name| Type| Mandatory| Description|
| --- | --- | --- | -- |
| parentUri | string | Yes| URI of the parent directory for the directory to create.|
| displayName | string | Yes| Name of the directory to create.|
| callback | AsyncCallback<string> | Yes| Promise used to return the URI of the directory created.|
**Example**
......@@ -635,10 +636,10 @@ Opens a file. This API uses a promise to return the result.
**Parameters**
| Name| Type| Mandatory| Description|
| --- | --- | --- | -- |
| uri | string | Yes| URI of the file to open.|
| flags | [OPENFLAGS](#openflags) | Yes| File open mode.|
| Name| Type| Mandatory| Description|
| --- | --- | --- | -- |
| uri | string | Yes| URI of the file to open.|
| flags | [OPENFLAGS](#openflags) | Yes| File open mode.|
**Return value**
......@@ -673,11 +674,11 @@ Opens a file. This API uses an asynchronous callback to return the result.
**Parameters**
| Name| Type| Mandatory| Description|
| --- | --- | --- | -- |
| uri | string | Yes| URI of the file to open.|
| flags | [OPENFLAGS](#openflags) | Yes| File open mode.|
| callback | AsyncCallback<number> | Yes| Callback invoked to return the file descriptor of the file opened.|
| Name| Type| Mandatory| Description|
| --- | --- | --- | -- |
| uri | string | Yes| URI of the file to open.|
| flags | [OPENFLAGS](#openflags) | Yes| File open mode.|
| callback | AsyncCallback<number> | Yes| Callback invoked to return the file descriptor of the file opened.|
**Example**
......@@ -712,9 +713,9 @@ Deletes a file or directory. This API uses a promise to return the result.
**Parameters**
| Name| Type| Mandatory| Description|
| --- | --- | --- | -- |
| uri | string | Yes| URI of the file or directory to delete.|
| Name| Type| Mandatory| Description|
| --- | --- | --- | -- |
| uri | string | Yes| URI of the file or directory to delete.|
**Return value**
......@@ -751,10 +752,10 @@ Deletes a file or directory. This API uses an asynchronous callback to return th
**Parameters**
| Name| Type| Mandatory| Description|
| --- | --- | --- | -- |
| uri | string | Yes| URI of the file or directory to delete.|
| callback | AsyncCallback<number> | Yes| Promise used to return the result.|
| Name| Type| Mandatory| Description|
| --- | --- | --- | -- |
| uri | string | Yes| URI of the file or directory to delete.|
| callback | AsyncCallback<number> | Yes| Promise used to return the result.|
**Example**
......@@ -789,10 +790,10 @@ Moves a file or directory. This API uses a promise to return the result.
**Parameters**
| Name| Type| Mandatory| Description|
| --- | --- | --- | -- |
| sourceFile | string | Yes| URI of the file or directory to move.|
| destFile | string | Yes| URI of the directory, to which the file or directory will be moved.|
| Name| Type| Mandatory| Description|
| --- | --- | --- | -- |
| sourceFile | string | Yes| URI of the file or directory to move.|
| destFile | string | Yes| URI of the directory, to which the file or directory will be moved.|
**Return value**
......@@ -829,11 +830,11 @@ Moves a file or directory. This API uses an asynchronous callback to return the
**Parameters**
| Name| Type| Mandatory| Description|
| --- | --- | --- | -- |
| sourceFile | string | Yes| URI of the file or directory to move.|
| destFile | string | Yes| URI of the directory, to which the file or directory will be moved.|
| callback | AsyncCallback<string> | Yes| Promise used to return the URI of the file or directory in the destination directory.|
| Name| Type| Mandatory| Description|
| --- | --- | --- | -- |
| sourceFile | string | Yes| URI of the file or directory to move.|
| destFile | string | Yes| URI of the directory, to which the file or directory will be moved.|
| callback | AsyncCallback<string> | Yes| Promise used to return the URI of the file or directory in the destination directory.|
**Example**
......@@ -869,10 +870,10 @@ Renames a file or directory. This API uses a promise to return the result.
**Parameters**
| Name| Type| Mandatory| Description|
| --- | --- | --- | -- |
| uri | string | Yes| URI of the file or directory to rename.|
| displayName | string | Yes| New name of the file or directory, which can contain the file name extension.|
| Name| Type| Mandatory| Description|
| --- | --- | --- | -- |
| uri | string | Yes| URI of the file or directory to rename.|
| displayName | string | Yes| New name of the file or directory, which can contain the file name extension.|
**Return value**
......@@ -908,11 +909,11 @@ Renames a file or directory. This API uses an asynchronous callback to return t
**Parameters**
| Name| Type| Mandatory| Description|
| --- | --- | --- | -- |
| uri | string | Yes| URI of the file or directory to rename.|
| displayName | string | Yes| New name of the file or directory, which can contain the file name extension.|
| callback | AsyncCallback<string> | Yes| Promise used to return the URI of the renamed file or directory.|
| Name| Type| Mandatory| Description|
| --- | --- | --- | -- |
| uri | string | Yes| URI of the file or directory to rename.|
| displayName | string | Yes| New name of the file or directory, which can contain the file name extension.|
| callback | AsyncCallback<string> | Yes| Promise used to return the URI of the renamed file or directory.|
**Example**
......@@ -947,9 +948,9 @@ Checks whether a file or directory exists. This API uses a promise to return th
**Parameters**
| Name| Type| Mandatory| Description|
| --- | --- | --- | -- |
| sourceFileUri | string | Yes| URI of the file or directory.|
| Name| Type| Mandatory| Description|
| --- | --- | --- | -- |
| sourceFileUri | string | Yes| URI of the file or directory.|
**Return value**
......@@ -988,10 +989,10 @@ Checks whether a file or directory exists. This API uses an asynchronous callba
**Parameters**
| Name| Type| Mandatory| Description|
| --- | --- | --- | -- |
| sourceFileUri | string | Yes| URI of the file or directory.|
| callback | AsyncCallback<boolean> | Yes| Promise used to return the result.|
| Name| Type| Mandatory| Description|
| --- | --- | --- | -- |
| sourceFileUri | string | Yes| URI of the file or directory.|
| callback | AsyncCallback<boolean> | Yes| Promise used to return the result.|
**Example**
......
en/application-dev/reference/apis/js-apis-system-cipher.md
浏览文件 @ fccc2de1
......@@ -2,8 +2,8 @@
> **NOTE**
>
> The initial APIs of this module are supported since API version 3. Newly added APIs will be marked with a superscript to indicate their earliest API version.
> - The initial APIs of this module are supported since API version 3. Newly added APIs will be marked with a superscript to indicate their earliest API version.
>- The APIs provided by this module are deprecated since API version 9. You are advised to use [cryptoFramework-Cipher](js-apis-cryptoFramework.md#Cipher).
## Modules to Import
......@@ -18,9 +18,10 @@ Defines the response to the cipher interface called.
**System capability**: SystemCapability.Security.Cipher
| Name| Type | Mandatory| Description |
| ------ | ------ | ---- | ------------ |
| text | string | Yes | Response content.|
| Name| Type | Readable| Writable|Description |
| ------ | ------ | ---- | ---- | ------------ |
| text | string | Yes | No | Response content.|
## CipherRsaOptions
......@@ -88,10 +89,10 @@ export default {
'+Enz0RzmVFh/4yk6lmqRzuEFQqhQqSZzaLq6sq2N2G0Sv2Xl3sLvqAfe2HNm2oBw\n' +
'jBpApTJ3TeneOo6Z5QIDAQAB',
success: function(data) {
console.log(`Handling successful:${data.text}`);
console.log(`handling success:${data.text}`);
},
fail: function(data, code) {
console.log(`### cipher.rsa encryption failed ### ${code}:${data}`);
console.log(`### cipher.rsa encrypt fail ### ${code}:${data}`);
},
complete: function() {
console.log(`operation complete!`);
......@@ -121,10 +122,10 @@ export default {
'M9TORIgdH8MjIbWsGnndAkEAw9yURDaorE8IYPLF2IEn09g1uzvWPs3phDb6smVx\n' +
'8GfqIdUNf+aCG5TZK/kXBF1sqcsi7jXMAf4jBlejVbSVZg==',
success: function(data) {
console.log(`Handling successful:${data.text}`);
console.log(`handling success:${data.text}`);
},
fail: function(data, code) {
console.log(`### cipher.rsa encryption failed ### ${code}:${data}`);
console.log(`### cipher.rsa encrypt fail ### ${code}:${data}`);
},
complete: function() {
console.log(`operation complete!`);
......@@ -165,10 +166,10 @@ export default {
ivOffset: '0',
ivLen: '16',
success: function(data) {
console.log(`Handling successful:${data.text}`);
console.log(`handling success:${data.text}`);
},
fail: function(data, code) {
console.log(`### cipher.rsa encryption failed ### ${code}:${data}`);
console.log(`### cipher.rsa encrypt fail ### ${code}:${data}`);
},
complete: function() {
console.log(`operation complete!`);
......@@ -185,10 +186,10 @@ export default {
ivOffset: '0',
ivLen: '16',
success: function(data) {
console.log(`Handling successful:${data.text}`);
console.log(`handling success:${data.text}`);
},
fail: function(data, code) {
console.log(`### cipher.aes encryption failed ### ${code}:${data}`);
console.log(`### cipher.aes encrypt fail ### ${code}:${data}`);
},
complete: function() {
console.log(`operation complete!`);
......
en/application-dev/reference/apis/js-apis-tagSession.md
浏览文件 @ fccc2de1
......@@ -26,6 +26,9 @@ getTagInfo(): tag.TagInfo
Obtains the **tagInfo** object provided by the NFC service when the tag is dispatched.
> **NOTE**
> This API is supported since API version 7 and deprecated since API version 9. You are advised to use [tag.getTagInfo](js-apis-nfcTag.md#taggettaginfo9).
**Required permissions**: ohos.permission.NFC_TAG
**System capability**: SystemCapability.Communication.NFC.Tag
......@@ -54,6 +57,9 @@ connectTag(): boolean;
Connects to this tag. Call this API to set up a connection before reading data from or writing data to a tag.
> **NOTE**
> This API is supported since API version 7 and deprecated since API version 9. You are advised to use [tagSession.connect](#tagsessionconnect9).
**Required permissions**: ohos.permission.NFC_TAG
**System capability**: SystemCapability.Communication.NFC.Tag
......@@ -76,12 +82,49 @@ let connectStatus = tag.getIsoDep(tagInfo).connectTag();
console.log("connectStatus: " + connectStatus);
```
### tagSession.connect<sup>9+</sup>
connect(): void;
Connects to this tag. Call this API to set up a connection before reading data from or writing data to a tag.
**Required permissions**: ohos.permission.NFC_TAG
**System capability**: SystemCapability.Communication.NFC.Tag
**Error codes**
For details about the error codes, see [NFC Error Codes](../errorcodes/errorcode-nfc.md).
| ID| Error message|
| ------- | -------|
| 3100201 | Tag running state is abnormal in service. |
**Example**
```js
import tag from '@ohos.nfc.tag';
// tagInfo is an object provided by the NFC service when a tag is dispatched.
// getXXX can be getIsoDep, getNdef, getMifareClassic, or any other getter for NFC tags.
try {
tag.getIsoDep(tagInfo).connect();
console.log("tag connect success");
} catch (busiError) {
console.log("tag connect busiError: " + busiError);
}
```
### tagSession.reset()
reset(): void
Resets the connection to this tag.
> **NOTE**
> This API is supported since API version 7 and deprecated since API version 9. You are advised to use [tagSession.resetConnection](#tagsessionresetconnection9).
**Required permissions**: ohos.permission.NFC_TAG
**System capability**: SystemCapability.Communication.NFC.Tag
......@@ -97,12 +140,49 @@ import tag from '@ohos.nfc.tag';
tag.getIsoDep(tagInfo).reset();
```
### tagSession.resetConnection()<sup>9+</sup>
resetConnection(): void
Resets the connection to this tag.
**Required permissions**: ohos.permission.NFC_TAG
**System capability**: SystemCapability.Communication.NFC.Tag
**Error codes**
For details about the error codes, see [NFC Error Codes](../errorcodes/errorcode-nfc.md).
| ID| Error message|
| ------- | -------|
| 3100201 | Tag running state is abnormal in service. |
**Example**
```js
import tag from '@ohos.nfc.tag';
// tagInfo is an object provided by the NFC service when a tag is dispatched.
// getXXX can be getIsoDep, getNdef, getMifareClassic, or any other getter for NFC tags.
try {
tag.getIsoDep(tagInfo).resetConnection();
console.log("tag resetConnection success");
} catch (busiError) {
console.log("tag resetConnection busiError: " + busiError);
}
```
### tagSession.isTagConnected
isTagConnected(): boolean
Checks whether the tag is connected.
> **NOTE**
> This API is supported since API version 7 and deprecated since API version 9. You are advised to use [tagSession.isConnected](#tagsessionisconnected9).
**Required permissions**: ohos.permission.NFC_TAG
**System capability**: SystemCapability.Communication.NFC.Tag
......@@ -125,12 +205,47 @@ let isTagConnected = tag.getIsoDep(tagInfo).isTagConnected();
console.log("isTagConnected: " + isTagConnected);
```
### tagSession.isConnected<sup>9+</sup>
isConnected(): boolean
Checks whether the tag is connected.
**Required permissions**: ohos.permission.NFC_TAG
**System capability**: SystemCapability.Communication.NFC.Tag
**Return value**
| **Type**| **Description** |
| ------------------ | --------------------------|
| boolean | Returns **true** if the tag is connected; returns **false** otherwise.|
**Example**
```js
import tag from '@ohos.nfc.tag';
// tagInfo is an object provided by the NFC service when a tag is dispatched.
// getXXX can be getIsoDep, getNdef, getMifareClassic, or any other getter for NFC tags.
try {
var isConnected = tag.getIsoDep(tagInfo).isConnected();
console.log("tag isConnected = " + isConnected);
} catch (busiError) {
console.log("tag isConnected busiError: " + busiError);
}
```
### tagSession.getMaxSendLength
getMaxSendLength(): number
Obtains the maximum length of the data that can be sent to this tag.
> **NOTE**
> This API is supported since API version 7 and deprecated since API version 9. You are advised to use [tagSession.getMaxTransmitSize](#tagsessiongetmaxtransmitsize9).
**Required permissions**: ohos.permission.NFC_TAG
**System capability**: SystemCapability.Communication.NFC.Tag
......@@ -152,12 +267,54 @@ let maxSendLen = tag.getIsoDep(tagInfo).getMaxSendLength();
console.log("tag maxSendLen: " + maxSendLen);
```
### tagSession.getMaxTransmitSize<sup>9+</sup>
getMaxTransmitSize(): number
Obtains the maximum length of the data that can be sent to this tag.
**Required permissions**: ohos.permission.NFC_TAG
**System capability**: SystemCapability.Communication.NFC.Tag
**Return value**
| **Type**| **Description** |
| ------------------ | --------------------------|
| number | Maximum data length obtained. The value cannot be a negative number.|
**Error codes**
For details about the error codes, see [NFC Error Codes](../errorcodes/errorcode-nfc.md).
| ID| Error message|
| ------- | -------|
| 3100201 | Tag running state is abnormal in service. |
**Example**
```js
import tag from '@ohos.nfc.tag';
// tagInfo is an object provided by the NFC service when a tag is dispatched.
// getXXX can be getIsoDep, getNdef, getMifareClassic, or any other getter for NFC tags.
try {
var maxTransmitSize = tag.getIsoDep(tagInfo).getMaxTransmitSize();
console.log("tag maxTransmitSize = " + maxTransmitSize);
} catch (busiError) {
console.log("tag getMaxTransmitSize busiError: " + busiError);
}
```
### tagSession.getSendDataTimeout
getSendDataTimeout(): number
Obtains the timeout period for sending data to this tag, in milliseconds.
> **NOTE**
> This API is supported since API version 7 and deprecated since API version 9. You are advised to use [tagSession.getTimeout](#tagsessiongettimeout9).
**Required permissions**: ohos.permission.NFC_TAG
**System capability**: SystemCapability.Communication.NFC.Tag
......@@ -180,12 +337,55 @@ let sendDataTimeout = tag.getIsoDep(tagInfo).getSendDataTimeout();
console.log("tag sendDataTimeout: " + sendDataTimeout);
```
### tagSession.getTimeout<sup>9+</sup>
getTimeout(): number
Obtains the timeout period for sending data to this tag, in milliseconds.
**Required permissions**: ohos.permission.NFC_TAG
**System capability**: SystemCapability.Communication.NFC.Tag
**Return value**
| **Type**| **Description** |
| ------------------ | --------------------------|
| number | Timeout period obtained, in milliseconds. The value cannot be a negative number.|
**Error codes**
For details about the error codes, see [NFC Error Codes](../errorcodes/errorcode-nfc.md).
| ID| Error message|
| ------- | -------|
| 3100201 | Tag running state is abnormal in service. |
**Example**
```js
import tag from '@ohos.nfc.tag';
// tagInfo is an object provided by the NFC service when a tag is dispatched.
// getXXX can be getIsoDep, getNdef, getMifareClassic, or any other getter for NFC tags.
try {
var timeout = tag.getIsoDep(tagInfo).getTimeout();
console.log("tag timeout = " + timeout);
} catch (busiError) {
console.log("tag getTimeout busiError: " + busiError);
}
```
### tagSession.setSendDataTimeout
setSendDataTimeout(timeout: number): boolean
Sets the timeout period for sending data to this tag, in milliseconds.
> **NOTE**
> This API is supported since API version 7 and deprecated since API version 9. You are advised to use [tagSession.setTimeout](#tagsessionsettimeout9).
**Required permissions**: ohos.permission.NFC_TAG
**System capability**: SystemCapability.Communication.NFC.Tag
......@@ -215,12 +415,56 @@ let setStatus = tag.getIsoDep(tagInfo).setSendDataTimeout(timeoutMs);
console.log("tag setSendDataTimeout setStatus: " + setStatus);
```
### tagSession.setTimeout<sup>9+</sup>
setTimeout(timeout: number): void
Obtains the timeout period for sending data to this tag, in milliseconds.
**Required permissions**: ohos.permission.NFC_TAG
**System capability**: SystemCapability.Communication.NFC.Tag
**Parameters**
| Name | Type | Mandatory| Description |
| -------- | ----------------------- | ---- | -------------------------------------- |
| timeout | number | Yes| Timeout period to set, in milliseconds. The value cannot be a negative number.|
**Error codes**
For details about the error codes, see [NFC Error Codes](../errorcodes/errorcode-nfc.md).
| ID| Error message|
| ------- | -------|
| 3100201 | Tag running state is abnormal in service. |
**Example**
```js
import tag from '@ohos.nfc.tag';
// tagInfo is an object provided by the NFC service when a tag is dispatched.
// getXXX can be getIsoDep, getNdef, getMifareClassic, or any other getter for NFC tags.
let timeoutMs = 700; // Change it as required.
try {
tag.getIsoDep(tagInfo).setTimeout(timeoutMs);
console.log("tag setTimeout success");
} catch (busiError) {
console.log("tag setTimeout busiError: " + busiError);
}
```
### tagSession.sendData
sendData(data: number[]): Promise<number[]>
Sends data to this tag. This API uses a promise to return the result.
> **NOTE**
> This API is supported since API version 7 and deprecated since API version 9. You are advised to use [tagSession.transmit](#tagsessiontransmit9).
**Required permissions**: ohos.permission.NFC_TAG
**System capability**: SystemCapability.Communication.NFC.Tag
......@@ -267,6 +511,9 @@ sendData(data: number[], callback: AsyncCallback<number[]>): void
Sends data to this tag. This API uses an asynchronous callback to return the result.
> **NOTE**
> This parameter is supported since API version 7 and discarded since API version 9. You are advised to use [tagSession.transmit](#tagsessiontransmit9-1).
**Required permissions**: ohos.permission.NFC_TAG
**System capability**: SystemCapability.Communication.NFC.Tag
......@@ -303,3 +550,123 @@ tag.getIsoDep(tagInfo).sendData(cmdData, (err, response)=> {
}
});
```
### tagSession.transmit<sup>9+</sup>
transmit(data: number[]): Promise<number[]>
Sends data to this tag. This API uses a promise to return the result.
**Required permissions**: ohos.permission.NFC_TAG
**System capability**: SystemCapability.Communication.NFC.Tag
**Parameters**
| Name | Type | Mandatory| Description |
| -------- | ----------------------- | ---- | -------------------------------------- |
| data | number[] | Yes| Data to send. The data consists of hexadecimal numbers ranging from **0x00** to **0xFF**.|
**Return value**
| **Type**| **Description** |
| ------------------ | --------------------------|
| Promise<number[]> | Promise used to return the response from the tag. The response consists of hexadecimal numbers ranging from **0x00** to **0xFF**.|
**Error codes**
For details about the error codes, see [NFC Error Codes](../errorcodes/errorcode-nfc.md).
| ID| Error message|
| ------- | -------|
| 3100201 | Tag running state is abnormal in service. |
**Example**
```js
import tag from '@ohos.nfc.tag';
// tagInfo is an object provided by the NFC service when a tag is dispatched.
// getXXX can be getIsoDep, getNdef, getMifareClassic, or any other getter for NFC tags.
// Connect to the tag if it is not connected.
try {
if (!tag.getIsoDep(tagInfo).isConnected()) {
tag.getIsoDep(tagInfo).connect();
}
} catch (busiError) {
console.log("tag connect busiError: " + busiError);
return;
}
let cmdData = [0x01, 0x02, 0x03, 0x04]; // Change it as required.
try {
tag.getIsoDep(tagInfo).transmit(cmdData).then((response) => {
console.log("tagSession transmit Promise response: " + response);
}).catch((err)=> {
console.log("tagSession transmit Promise err: " + err);
});
} catch (busiError) {
console.log("tag transmit busiError: " + busiError);
return;
}
```
### tagSession.transmit<sup>9+</sup>
transmit(data: number[], callback: AsyncCallback<number[]>): void
Sends data to this tag. This API uses an asynchronous callback to return the result.
**Required permissions**: ohos.permission.NFC_TAG
**System capability**: SystemCapability.Communication.NFC.Tag
**Parameters**
| Name | Type | Mandatory| Description |
| -------- | ----------------------- | ---- | -------------------------------------- |
| data | number[] | Yes| Data to send. The data consists of hexadecimal numbers ranging from **0x00** to **0xFF**.|
| callback | AsyncCallback<number[]> | Yes| Callback invoked to return the response from the tag. The response consists of hexadecimal numbers ranging from **0x00** to **0xFF**.|
**Error codes**
For details about the error codes, see [NFC Error Codes](../errorcodes/errorcode-nfc.md).
| ID| Error message|
| ------- | -------|
| 3100201 | Tag running state is abnormal in service. |
**Example**
```js
import tag from '@ohos.nfc.tag';
// tagInfo is an object provided by the NFC service when a tag is dispatched.
// getXXX can be getIsoDep, getNdef, getMifareClassic, or any other getter for NFC tags.
// Connect to the tag if it is not connected.
try {
if (!tag.getIsoDep(tagInfo).isConnected()) {
tag.getIsoDep(tagInfo).connect();
}
} catch (busiError) {
console.log("tag connect busiError: " + busiError);
return;
}
let cmdData = [0x01, 0x02, 0x03, 0x04]; // Change it as required.
try {
tag.getIsoDep(tagInfo).transmit(cmdData, (err, response)=> {
if (err) {
console.log("tagSession transmit AsyncCallback err: " + err);
} else {
console.log("tagSession transmit AsyncCallback response: " + response);
}
});
} catch (busiError) {
console.log("tag transmit busiError: " + busiError);
return;
}
```
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