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提交 912321fa 编写于 作者: W wusongqing
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updated docs 

Signed-off-by: Nwusongqing <wusongqing@huawei.com>
上级 e122fa58
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en/application-dev/reference/apis/js-apis-medialibrary.md
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# Media Library Management # Media Library Management
> ![icon-note.gif](public_sys-resources/icon-note.gif) **NOTE** > **NOTE**<br>
> This component is supported since API version 6. Updates will be marked with a superscript to indicate their earliest API version. > This component is supported since API version 6. Updates will be marked with a superscript to indicate their earliest API version.
## Modules to Import ## Modules to Import
...@@ -208,7 +208,7 @@ async function example() { ...@@ -208,7 +208,7 @@ async function example() {
let mediaType = mediaLibrary.MediaType.IMAGE; let mediaType = mediaLibrary.MediaType.IMAGE;
let DIR_IMAGE = mediaLibrary.DirectoryType.DIR_IMAGE; let DIR_IMAGE = mediaLibrary.DirectoryType.DIR_IMAGE;
const path = await media.getPublicDirectory(DIR_IMAGE); const path = await media.getPublicDirectory(DIR_IMAGE);
mediaLibrary.createAsset(mediaType, 'imageCallBack.jpg', path + 'myPicture/', (err, fileAsset) => { media.createAsset(mediaType, 'imageCallBack.jpg', path + 'myPicture/', (err, fileAsset) => {
if (fileAsset != undefined) { if (fileAsset != undefined) {
console.info('createAsset successfully, message = ' + err); console.info('createAsset successfully, message = ' + err);
} else { } else {
...@@ -250,7 +250,7 @@ async function example() { ...@@ -250,7 +250,7 @@ async function example() {
let mediaType = mediaLibrary.MediaType.IMAGE; let mediaType = mediaLibrary.MediaType.IMAGE;
let DIR_IMAGE = mediaLibrary.DirectoryType.DIR_IMAGE; let DIR_IMAGE = mediaLibrary.DirectoryType.DIR_IMAGE;
const path = await media.getPublicDirectory(DIR_IMAGE); const path = await media.getPublicDirectory(DIR_IMAGE);
mediaLibrary.createAsset(mediaType, "image01.jpg", path + 'myPicture/').then (function (asset) { media.createAsset(mediaType, "image01.jpg", path + 'myPicture/').then (function (asset) {
console.info("createAsset successfully:"+ JSON.stringify(asset)); console.info("createAsset successfully:"+ JSON.stringify(asset));
}).catch(function(err){ }).catch(function(err){
console.info("createAsset failed with error:"+ err); console.info("createAsset failed with error:"+ err);
...@@ -720,29 +720,29 @@ Provides APIs for encapsulating file asset attributes. ...@@ -720,29 +720,29 @@ Provides APIs for encapsulating file asset attributes.
**System capability**: SystemCapability.Multimedia.MediaLibrary.Core **System capability**: SystemCapability.Multimedia.MediaLibrary.Core
| Name | Type | Readable | Writable | Description | | Name | Type | Readable| Writable| Description |
| ------------------------- | ------------------------ | ---- | ---- | ------------------------------------------------------ | | ------------------------- | ------------------------ | ---- | ---- | ------------------------------------------------------ |
| id | number | Yes | No | File asset ID. | | id | number | Yes | No | File asset ID. |
| uri | string | Yes | No | File asset URI, for example, dataability:///media/image/2. | | uri | string | Yes | No | File asset URI, for example, dataability:///media/image/2. |
| mimeType | string | Yes | No | Extended file attributes. | | mimeType | string | Yes | No | Extended file attributes. |
| mediaType<sup>8+</sup> | [MediaType](#mediatype8) | Yes | No | Media type. | | mediaType<sup>8+</sup> | [MediaType](#mediatype8) | Yes | No | Media type. |
| displayName | string | Yes | Yes | Display file name, including the file name extension. | | displayName | string | Yes | Yes | Display file name, including the file name extension. |
| title | string | Yes | Yes | Title in the file. | | title | string | Yes | Yes | Title in the file. |
| relativePath<sup>8+</sup> | string | Yes | Yes | Relative public directory of the file. | | relativePath<sup>8+</sup> | string | Yes | Yes | Relative public directory of the file. |
| parent<sup>8+</sup> | number | Yes | No | Parent directory ID. | | parent<sup>8+</sup> | number | Yes | No | Parent directory ID. |
| size | number | Yes | No | File size, in bytes. | | size | number | Yes | No | File size, in bytes. |
| dateAdded | number | Yes | No | Date when the file was added. (The value is the number of seconds elapsed since the Epoch time.) | | dateAdded | number | Yes | No | Date when the file was added. (The value is the number of seconds elapsed since the Epoch time.) |
| dateModified | number | Yes | No | Date when the file was modified. (The value is the number of seconds elapsed since the Epoch time.) | | dateModified | number | Yes | No | Date when the file was modified. (The value is the number of seconds elapsed since the Epoch time.) |
| dateTaken | number | Yes | No | Date when the file (photo) was taken. (The value is the number of seconds elapsed since the Epoch time.) | | dateTaken | number | Yes | No | Date when the file (photo) was taken. (The value is the number of seconds elapsed since the Epoch time.) |
| artist<sup>8+</sup> | string | Yes | No | Artist of the file. | | artist<sup>8+</sup> | string | Yes | No | Artist of the file. |
| audioAlbum<sup>8+</sup> | string | Yes | No | Audio album. | | audioAlbum<sup>8+</sup> | string | Yes | No | Audio album. |
| width | number | Yes | No | Image width, in pixels. | | width | number | Yes | No | Image width, in pixels. |
| height | number | Yes | No | Image height, in pixels. | | height | number | Yes | No | Image height, in pixels. |
| orientation | number | Yes | Yes | Image display direction (clockwise rotation angle, for example, 0, 90, or 180, in degrees). | | orientation | number | Yes | Yes | Image display direction (clockwise rotation angle, for example, 0, 90, or 180, in degrees).|
| duration<sup>8+</sup> | number | Yes | No | Duration, in seconds. | | duration<sup>8+</sup> | number | Yes | No | Duration, in seconds. |
| albumId | number | Yes | No | ID of the album to which the file belongs. | | albumId | number | Yes | No | ID of the album to which the file belongs. |
| albumUri<sup>8+</sup> | string | Yes | No | URI of the album to which the file belongs. | | albumUri<sup>8+</sup> | string | Yes | No | URI of the album to which the file belongs. |
| albumName | string | Yes | No | Name of the album to which the file belongs. | | albumName | string | Yes | No | Name of the album to which the file belongs. |
### isDirectory<sup>8+</sup> ### isDirectory<sup>8+</sup>
...@@ -757,9 +757,9 @@ Checks whether this file asset is a directory. This API uses an asynchronous cal ...@@ -757,9 +757,9 @@ Checks whether this file asset is a directory. This API uses an asynchronous cal
**Parameters** **Parameters**
| Parameter | Type | Mandatory | Description | | Name | Type | Mandatory | Description |
| -------- | ---------------------------- | ---- | ------------------- | | -------- | ---------------------------- | ---- | ------------------- |
| callback | AsyncCallback&lt;boolean&gt; | Yes | Callback used to return whether the file asset is a directory. | | callback | AsyncCallback&lt;boolean&gt; | Yes | Callback used to return whether the file asset is a directory.|
**Example** **Example**
......
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