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Merge pull request !15551 from Annie_wang/PR15131
# @ohos.data.storage
# @ohos.data.storage (Lightweight Data Storage)
The **DataStorage** module provides applications with data processing capability and allows applications to perform lightweight data storage and query. Data is stored in key-value (KV) pairs. Keys are of the string type, and values can be of the number, string, or Boolean type.
......@@ -367,7 +367,7 @@ Provides APIs for obtaining and modifying storage data.
getSync(key: string, defValue: ValueType): ValueType
Obtains the value corresponding to a key. If the value is null or not in the default value format, the default value is returned.
Obtains the value corresponding to a key. If the value is null or not of the default value type, **defValue** is returned.
**System capability**: SystemCapability.DistributedDataManager.Preferences.Core
......@@ -396,7 +396,7 @@ console.info("The value of startup is " + value);
get(key: string, defValue: ValueType, callback: AsyncCallback<ValueType>): void
Obtains the value corresponding to a key. If the value is null or not in the default value format, the default value is returned. This API uses an asynchronous callback to return the result.
Obtains the value corresponding to a key. If the value is null or not of the default value type, **defValue** is returned. This API uses an asynchronous callback to return the result.
**System capability**: SystemCapability.DistributedDataManager.Preferences.Core
......@@ -425,7 +425,7 @@ storage.get('startup', 'default', function(err, value) {
get(key: string, defValue: ValueType): Promise<ValueType>
Obtains the value corresponding to a key. If the value is null or not in the default value format, the default value is returned. This API uses a promise to return the result.
Obtains the value corresponding to a key. If the value is null or not of the default value type, **defValue** is returned. This API uses a promise to return the result.
**System capability**: SystemCapability.DistributedDataManager.Preferences.Core
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......@@ -14,7 +14,7 @@ The **PermissionRequestResult** module defines the result of a permission reques
| Name| Type| Readable| Writable| Description|
| -------- | -------- | -------- | -------- | -------- |
| permissions | Array<string> | Yes| No| Permissions requested.|
| authResults | Array&lt;number&gt; | Yes| No|Resule of the permission Request.<br>**-1**: The permission has been set and no dialog box will be displayed. Users can modify the permission in **Settings**.<br>**0**: No operation is required.<br>**1**: Dynamic user authorization is required via a dialog window .<br>**2**: The request is invalid. Possible causes are as follows:<br>- The permission is not declared in the configuration file.<br>- The permission name is invalid.<br>- Special conditions for applying for the permission do not satisfied. See [ohos.permission.LOCATION](../../security/permission-list.md#ohospermissionlocation) and [ohos.permission.APPROXIMATELY_LOCATION](../../security/permission-list.md#ohospermissionapproximately_location).|
| authResults | Array&lt;number&gt; | Yes| No|Result of the permission Request.<br>**-1**: The permission has been set and no dialog box will be displayed. Users can modify the permission in **Settings**.<br>**0**: No operation is required.<br>**1**: Dynamic user authorization is required via a dialog window .<br>**2**: The request is invalid. Possible causes are as follows:<br>- The permission is not declared in the configuration file.<br>- The permission name is invalid.<br>- Special conditions for applying for the permission do not satisfied. See [ohos.permission.LOCATION](../../security/permission-list.md#ohospermissionlocation) and [ohos.permission.APPROXIMATELY_LOCATION](../../security/permission-list.md#ohospermissionapproximately_location).|
## Usage
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