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未验证 提交 900a35a2 编写于 作者: O openharmony_ci 提交者： Gitee
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!12755 Unified standardized modification userFileManager.md 

Merge pull request !12755 from 胡伟奇/modify_userFileManager
上级 a6cc5482 a20fc69c
隐藏空白更改
内联 并排
Showing with 117 addition and 116 deletion
zh-cn/application-dev/reference/apis/js-apis-userFileManager.md
浏览文件 @ 900a35a2
......@@ -26,7 +26,7 @@ getUserFileMgr(context: Context): UserFileManager
| 参数名 | 类型 | 必填 | 说明 |
| ------- | ------- | ---- | -------------------------- |
| context | [Context](js-apis-inner-app-context.md) | 是 | 传入Ability实例的Context。 |
| context | [Context](js-apis-inner-app-context.md) | 是 | 传入Ability实例的Context |
**返回值：**
......@@ -86,7 +86,7 @@ async function example() {
} else {
console.info('fetchResult fail' + err);
}
})
});
}
```
......@@ -126,7 +126,7 @@ async function example() {
predicates: predicates
};
try {
var fetchResult = await mgr.getPhotoAssets(fetchOptions)
var fetchResult = await mgr.getPhotoAssets(fetchOptions);
if (fetchResult != undefined) {
console.info('fetchResult success');
let fileAsset = await fetchResult.getFirstObject();
......@@ -163,13 +163,13 @@ createPhotoAsset(displayName: string, albumUri: string, callback: AsyncCallback&
import dataSharePredicates from '@ohos.data.dataSharePredicates';
async function example() {
console.info('createPhotoAssetDemo')
console.info('createPhotoAssetDemo');
let predicates = new dataSharePredicates.DataSharePredicates();
let fetchOptions = {
predicates: predicates
};
let albums = await mgr.getPhotoAlbums(fetchOptions)
let album = await albums.getFirstObject()
let albums = await mgr.getPhotoAlbums(fetchOptions);
let album = await albums.getFirstObject();
let testFileName = "testFile" + Date.now() + ".jpg";
mgr.createPhotoAsset(testFileName, album.albumUri, (err, fileAsset) => {
if (fileAsset != undefined) {
......@@ -178,7 +178,7 @@ async function example() {
} else {
console.info('createPhotoAsset failed, message = ', err);
}
})
});
}
```
......@@ -203,7 +203,7 @@ createPhotoAsset(displayName: string, callback: AsyncCallback<FileAsset>):
```ts
async function example() {
console.info('createPhotoAssetDemo')
console.info('createPhotoAssetDemo');
let testFileName = "testFile" + Date.now() + ".jpg";
mgr.createPhotoAsset(testFileName, (err, fileAsset) => {
if (fileAsset != undefined) {
......@@ -212,7 +212,7 @@ async function example() {
} else {
console.info('createPhotoAsset failed, message = ', err);
}
})
});
}
```
......@@ -243,10 +243,10 @@ createPhotoAsset(displayName: string, albumUri?: string): Promise<FileAsset&g
```ts
async function example() {
console.info('createPhotoAssetDemo')
console.info('createPhotoAssetDemo');
try {
let testFileName = "testFile" + Date.now() + ".jpg";
let fileAsset = await mgr.createPhotoAsset(testFileName)
let fileAsset = await mgr.createPhotoAsset(testFileName);
console.info('createPhotoAsset file displayName' + fileAsset.displayName);
console.info('createPhotoAsset successfully');
} catch (err) {
......@@ -279,7 +279,7 @@ getPhotoAlbums(options: AlbumFetchOptions, callback: AsyncCallback<FetchResul
import dataSharePredicates from '@ohos.data.dataSharePredicates';
async function example() {
console.info('getPhotoAlbumsDemo')
console.info('getPhotoAlbumsDemo');
let predicates = new dataSharePredicates.DataSharePredicates();
let albumFetchOptions = {
predicates: predicates
......@@ -294,11 +294,11 @@ async function example() {
} else {
console.info('album is undefined, err = ', err);
}
})
});
} else {
console.info('getPhotoAlbums fail, message = ', err);
}
})
});
}
```
......@@ -330,7 +330,7 @@ getPhotoAlbums(options: AlbumFetchOptions): Promise<FetchResult<Album>&
import dataSharePredicates from '@ohos.data.dataSharePredicates';
async function example() {
console.info('getPhotoAlbumsDemo')
console.info('getPhotoAlbumsDemo');
let predicates = new dataSharePredicates.DataSharePredicates();
let albumFetchOptions = {
predicates: predicates
......@@ -368,7 +368,7 @@ getPrivateAlbum(type: PrivateAlbumType, callback: AsyncCallback<FetchResult&l
```ts
async function example() {
console.info('getPrivateAlbumDemo')
console.info('getPrivateAlbumDemo');
mgr.getPrivateAlbum(userFileManager.PrivateAlbumType.TYPE_TRASH, async (err, fetchResult) => {
if (fetchResult != undefined) {
let trashAlbum = await fetchResult.getFirstObject();
......@@ -459,7 +459,7 @@ async function example() {
} else {
console.info('fetchFileResult fail' + err);
}
})
});
}
```
......@@ -499,7 +499,7 @@ async function example() {
predicates: predicates
};
try {
var fetchResult = await mgr.getAudioAssets(fetchOptions)
var fetchResult = await mgr.getAudioAssets(fetchOptions);
} catch (err) {
console.info('getAudioAssets failed, message = ', err);
}
......@@ -517,7 +517,7 @@ async function example() {
delete(uri: string, callback: AsyncCallback<void>): void;
删除媒体文件,删除的文件进入到回收站。
删除媒体文件，删除的文件进入到回收站。
**需要权限**：ohos.permission.READ_IMAGEVIDEO 和 ohos.permission.WRITE_IMAGEVIDEO 或 ohos.permission.READ_AUDIO 和 ohos.permission.WRITE_AUDIO
......@@ -536,7 +536,7 @@ delete(uri: string, callback: AsyncCallback<void>): void;
import dataSharePredicates from '@ohos.data.dataSharePredicates';
async function example() {
console.info('deleteAssetDemo')
console.info('deleteAssetDemo');
let predicates = new dataSharePredicates.DataSharePredicates();
let fetchOptions = {
fetchColumns: [],
......@@ -546,11 +546,11 @@ async function example() {
const fetchResult = await mgr.getPhotoAssets(fetchOptions);
var asset = await fetchResult.getFirstObject();
} catch (err) {
console.info('fetch failed, message =', err)
console.info('fetch failed, message =', err);
}
if (asset == undefined) {
console.error('asset not exist')
console.error('asset not exist');
return;
}
mgr.delete(asset.uri, (err) => {
......@@ -590,7 +590,7 @@ delete(uri: string): Promise<void>;
import dataSharePredicates from '@ohos.data.dataSharePredicates';
async function example() {
console.info('deleteDemo')
console.info('deleteDemo');
let predicates = new dataSharePredicates.DataSharePredicates();
let fetchOptions = {
fetchColumns: [],
......@@ -600,11 +600,11 @@ async function example() {
const fetchResult = await mgr.getPhotoAssets(fetchOptions);
var asset = await fetchResult.getFirstObject();
} catch (err) {
console.info('fetch failed, message =', err)
console.info('fetch failed, message =', err);
}
if (asset == undefined) {
console.error('asset not exist')
console.error('asset not exist');
return;
}
try {
......@@ -635,7 +635,7 @@ on(type: ChangeEvent, callback: Callback<void>): void
```ts
async function example() {
console.info('onDemo')
console.info('onDemo');
let count = 0;
mgr.on('imageChange', () => {
count++;
......@@ -680,7 +680,7 @@ off(type: ChangeEvent, callback?: Callback<void>): void
```ts
async function example() {
console.info('offDemo')
console.info('offDemo');
let count = 0;
mgr.on('imageChange', () => {
count++;
......@@ -726,15 +726,15 @@ getActivePeers(callback: AsyncCallback<Array<PeerInfo>>): void;
```ts
async function example() {
console.info('getActivePeersDemo')
console.info('getActivePeersDemo');
mgr.getActivePeers((err, devicesInfo) => {
if (devicesInfo != undefined) {
console.log('getActivePeers succeed.')
console.log('getActivePeers succeed.');
for (let i = 0; i < devicesInfo.length; i++) {
console.info('get distributed info ' + devicesInfo[i].deviceName + devicesInfo[i].networkId);
}
} else {
console.info('getActivePeers failed. message = ', err)
console.info('getActivePeers failed. message = ', err);
}
});
}
......@@ -758,19 +758,19 @@ getActivePeers(): Promise&lt;Array&lt;PeerInfo&gt;&gt;;
```ts
async function example() {
console.info('getActivePeersDemo')
console.info('getActivePeersDemo');
try {
var devicesInfo = await mgr.getActivePeers();
} catch (err) {
console.info('getActivePeers failed. message = ', err)
console.info('getActivePeers failed. message = ', err);
}
if (devicesInfo != undefined) {
console.log('getActivePeers succeed.')
console.log('getActivePeers succeed.');
for (let i = 0; i < devicesInfo.length; i++) {
console.info('get distributed info ' + devicesInfo[i].deviceName + devicesInfo[i].networkId);
}
} else {
console.info('get distributed fail')
console.info('get distributed fail');
}
}
```
......@@ -793,15 +793,15 @@ getAllPeers(callback: AsyncCallback&lt;Array&lt;PeerInfo&gt;&gt;): void;
```ts
async function example() {
console.info('getAllPeersDemo')
console.info('getAllPeersDemo');
mgr.getAllPeers((err, devicesInfo) => {
if (devicesInfo != undefined) {
console.log('getAllPeers succeed.')
console.log('getAllPeers succeed.');
for (let i = 0; i < devicesInfo.length; i++) {
console.info('get distributed info ' + devicesInfo[i].deviceName + devicesInfo[i].networkId);
}
} else {
console.info('getAllPeers failed. message = ', err)
console.info('getAllPeers failed. message = ', err);
}
});
}
......@@ -825,19 +825,19 @@ getAllPeers(): Promise&lt;Array&lt;PeerInfo&gt;&gt;;
```ts
async function example() {
console.info('getAllPeersDemo')
console.info('getAllPeersDemo');
try {
var devicesInfo = await mgr.getAllPeers();
} catch (err) {
console.info('getAllPeers failed. message = ', err)
console.info('getAllPeers failed. message = ', err);
}
if (devicesInfo != undefined) {
console.log('getAllPeers succeed.')
console.log('getAllPeers succeed.');
for (let i = 0; i < devicesInfo.length; i++) {
console.info('get distributed info ' + devicesInfo[i].deviceName + devicesInfo[i].networkId);
}
} else {
console.info('get distributed fail')
console.info('get distributed fail');
}
}
```
......@@ -868,7 +868,7 @@ async function example() {
} else {
console.info('release ok.');
}
})
});
}
```
......@@ -920,7 +920,7 @@ async function example() {
get(member: string): MemberType;
获取FileAsset成员参数
获取FileAsset成员参数。
**系统能力**：SystemCapability.FileManagement.UserFileManager.Core
......@@ -936,7 +936,7 @@ get(member: string): MemberType;
import dataSharePredicates from '@ohos.data.dataSharePredicates';
async function example() {
console.info('fileAssetGetDemo')
console.info('fileAssetGetDemo');
try {
let predicates = new dataSharePredicates.DataSharePredicates();
let fetchOption = {
......@@ -945,8 +945,8 @@ async function example() {
};
let fetchResult = await mgr.getPhotoAssets(fetchOption);
let fileAsset = await fetchResult.getFirstObject();
let title = userFileManager.ImageVideoKey.TITLE
let fileAssetTitle = fileAsset.get(title.toString())
let title = userFileManager.ImageVideoKey.TITLE;
let fileAssetTitle = fileAsset.get(title.toString());
console.info('fileAsset Get fileAssetTitle = ', fileAssetTitle);
} catch (err) {
console.info('release failed. message = ', err);
......@@ -958,7 +958,7 @@ async function example() {
set(member: string, value: string): void;
设置FileAsset成员参数
设置FileAsset成员参数。
**系统能力**：SystemCapability.FileManagement.UserFileManager.Core
......@@ -975,7 +975,7 @@ set(member: string, value: string): void;
import dataSharePredicates from '@ohos.data.dataSharePredicates';
async function example() {
console.info('fileAssetSetDemo')
console.info('fileAssetSetDemo');
try {
let predicates = new dataSharePredicates.DataSharePredicates();
let fetchOption = {
......@@ -984,8 +984,8 @@ async function example() {
};
let fetchResult = await mgr.getPhotoAssets(fetchOption);
let fileAsset = await fetchResult.getFirstObject();
let title = userFileManager.ImageVideoKey.TITLE
fileAsset.set(title.toString(), "newTitle")
let title = userFileManager.ImageVideoKey.TITLE;
fileAsset.set(title.toString(), "newTitle");
} catch (err) {
console.info('release failed. message = ', err);
}
......@@ -1014,7 +1014,7 @@ commitModify(callback: AsyncCallback&lt;void&gt;): void
import dataSharePredicates from '@ohos.data.dataSharePredicates';
async function example() {
console.info('commitModifyDemo')
console.info('commitModifyDemo');
let predicates = new dataSharePredicates.DataSharePredicates();
let fetchOption = {
fetchColumns: [],
......@@ -1022,13 +1022,13 @@ async function example() {
};
let fetchResult = await mgr.getPhotoAssets(fetchOption);
let fileAsset = await fetchResult.getFirstObject();
let title = userFileManager.ImageVideoKey.TITLE
let fileAssetTitle = fileAsset.get(title.toString())
let title = userFileManager.ImageVideoKey.TITLE;
let fileAssetTitle = fileAsset.get(title.toString());
console.info('fileAsset Get fileAssetTitle = ', fileAssetTitle);
fileAsset.set(title.toString(), "newTitle")
fileAsset.set(title.toString(), "newTitle");
fileAsset.commitModify((err) => {
if (err == undefined) {
let newFileAssetTitle = fileAsset.get(title.toString())
let newFileAssetTitle = fileAsset.get(title.toString());
console.info('fileAsset Get newFileAssetTitle = ', newFileAssetTitle);
} else {
console.info('commitModify failed, message =', err);
......@@ -1059,7 +1059,7 @@ commitModify(): Promise&lt;void&gt;
import dataSharePredicates from '@ohos.data.dataSharePredicates';
async function example() {
console.info('commitModifyDemo')
console.info('commitModifyDemo');
let predicates = new dataSharePredicates.DataSharePredicates();
let fetchOption = {
fetchColumns: [],
......@@ -1067,13 +1067,13 @@ async function example() {
};
let fetchResult = await mgr.getPhotoAssets(fetchOption);
let fileAsset = await fetchResult.getFirstObject();
let title = userFileManager.ImageVideoKey.TITLE
let fileAssetTitle = fileAsset.get(title.toString())
let title = userFileManager.ImageVideoKey.TITLE;
let fileAssetTitle = fileAsset.get(title.toString());
console.info('fileAsset Get fileAssetTitle = ', fileAssetTitle);
fileAsset.set(title.toString(), "newTitle")
fileAsset.set(title.toString(), "newTitle");
try {
await fileAsset.commitModify()
let newFileAssetTitle = fileAsset.get(title.toString())
await fileAsset.commitModify();
let newFileAssetTitle = fileAsset.get(title.toString());
console.info('fileAsset Get newFileAssetTitle = ', newFileAssetTitle);
} catch (err) {
console.info('release failed. message = ', err);
......@@ -1087,7 +1087,7 @@ open(mode: string, callback: AsyncCallback&lt;number&gt;): void
打开当前文件，使用callback方式返回异步结果。
**注意**：当前写操作是互斥的操作，写操作完成后需要调用close进行释放
**注意**：当前写操作是互斥的操作，写操作完成后需要调用close进行释放。
**需要权限**：ohos.permission.READ_IMAGEVIDEO 或 ohos.permission.READ_AUDIO 或 ohos.permission.WRITE_IMAGEVIDEO 或 ohos.permission.WRITE_AUDIO
......@@ -1105,13 +1105,13 @@ open(mode: string, callback: AsyncCallback&lt;number&gt;): void
```ts
async function example() {
console.info('openDemo')
console.info('openDemo');
let testFileName = "testFile" + Date.now() + ".jpg";
const fileAsset = await mgr.createPhotoAsset(testFileName);
fileAsset.open('rw', (err, fd) => {
if (fd != undefined) {
console.info('File fd' + fd);
fileAsset.close(fd)
fileAsset.close(fd);
} else {
console.info('File err' + err);
}
......@@ -1125,7 +1125,7 @@ open(mode: string): Promise&lt;number&gt;
打开当前文件，使用promise方式返回异步结果。
**注意**：当前写操作是互斥的操作，写操作完成后需要调用close进行释放
**注意**：当前写操作是互斥的操作，写操作完成后需要调用close进行释放。
**需要权限**：ohos.permission.READ_IMAGEVIDEO 或 ohos.permission.READ_AUDIO 或 ohos.permission.WRITE_IMAGEVIDEO 或 ohos.permission.WRITE_AUDIO
......@@ -1147,14 +1147,14 @@ open(mode: string): Promise&lt;number&gt;
```ts
async function example() {
console.info('openDemo')
console.info('openDemo');
try {
let testFileName = "testFile" + Date.now() + ".jpg";
const fileAsset = await mgr.createPhotoAsset(testFileName);
let fd = await fileAsset.open('rw')
let fd = await fileAsset.open('rw');
if (fd != undefined) {
console.info('File fd' + fd);
fileAsset.close(fd)
fileAsset.close(fd);
} else {
console.info(' open File fail');
}
......@@ -1185,7 +1185,7 @@ close(fd: number, callback: AsyncCallback&lt;void&gt;): void
import dataSharePredicates from '@ohos.data.dataSharePredicates';
async function example() {
console.info('closeDemo')
console.info('closeDemo');
try {
let predicates = new dataSharePredicates.DataSharePredicates();
let fetchOption = {
......@@ -1235,7 +1235,7 @@ close(fd: number): Promise&lt;void&gt;
import dataSharePredicates from '@ohos.data.dataSharePredicates';
async function example() {
console.info('closeDemo')
console.info('closeDemo');
try {
let predicates = new dataSharePredicates.DataSharePredicates();
let fetchOption = {
......@@ -1246,7 +1246,7 @@ async function example() {
const asset = await fetchResult.getFirstObject();
let fd = await asset.open('rw');
console.info('file fd', fd);
await asset.close(fd)
await asset.close(fd);
console.info('asset close succeed.');
} catch (err) {
console.info('close failed, message = ' + err);
......@@ -1276,7 +1276,7 @@ getThumbnail(callback: AsyncCallback&lt;image.PixelMap&gt;): void
import dataSharePredicates from '@ohos.data.dataSharePredicates';
async function example() {
console.info('getThumbnailDemo')
console.info('getThumbnailDemo');
let predicates = new dataSharePredicates.DataSharePredicates();
let fetchOption = {
fetchColumns: [],
......@@ -1284,7 +1284,7 @@ async function example() {
};
let fetchResult = await mgr.getPhotoAssets(fetchOption);
const asset = await fetchResult.getFirstObject();
console.info('asset displayName = ', asset.displayName)
console.info('asset displayName = ', asset.displayName);
asset.getThumbnail((err, pixelMap) => {
if (err == undefined) {
console.info('getThumbnail successful ' + pixelMap);
......@@ -1318,7 +1318,7 @@ getThumbnail(size: image.Size, callback: AsyncCallback&lt;image.PixelMap&gt;): v
import dataSharePredicates from '@ohos.data.dataSharePredicates';
async function example() {
console.info('getThumbnailDemo')
console.info('getThumbnailDemo');
let predicates = new dataSharePredicates.DataSharePredicates();
let fetchOption = {
fetchColumns: [],
......@@ -1327,7 +1327,7 @@ async function example() {
let size = { width: 720, height: 720 };
let fetchResult = await mgr.getPhotoAssets(fetchOption);
const asset = await fetchResult.getFirstObject();
console.info('asset displayName = ', asset.displayName)
console.info('asset displayName = ', asset.displayName);
asset.getThumbnail(size, (err, pixelMap) => {
if (err == undefined) {
console.info('getThumbnail successful ' + pixelMap);
......@@ -1366,7 +1366,7 @@ getThumbnail(size?: image.Size): Promise&lt;image.PixelMap&gt;
import dataSharePredicates from '@ohos.data.dataSharePredicates';
async function example() {
console.info('getThumbnailDemo')
console.info('getThumbnailDemo');
let predicates = new dataSharePredicates.DataSharePredicates();
let fetchOption = {
fetchColumns: [],
......@@ -1375,7 +1375,7 @@ async function example() {
let size = { width: 720, height: 720 };
let fetchResult = await mgr.getPhotoAssets(fetchOption);
const asset = await fetchResult.getFirstObject();
console.info('asset displayName = ', asset.displayName)
console.info('asset displayName = ', asset.displayName);
asset.getThumbnail(size).then((pixelMap) => {
console.info('getThumbnail successful ' + pixelMap);
}).catch((err) => {
......@@ -1407,7 +1407,7 @@ favorite(isFavorite: boolean, callback: AsyncCallback&lt;void&gt;): void
import dataSharePredicates from '@ohos.data.dataSharePredicates';
async function example() {
console.info('favoriteDemo')
console.info('favoriteDemo');
let predicates = new dataSharePredicates.DataSharePredicates();
let fetchOption = {
fetchColumns: [],
......@@ -1453,7 +1453,7 @@ favorite(isFavorite: boolean): Promise&lt;void&gt;
import dataSharePredicates from '@ohos.data.dataSharePredicates';
async function example() {
console.info('favoriteDemo')
console.info('favoriteDemo');
let predicates = new dataSharePredicates.DataSharePredicates();
let fetchOption = {
fetchColumns: [],
......@@ -1493,7 +1493,7 @@ getCount(): number
import dataSharePredicates from '@ohos.data.dataSharePredicates';
async function example() {
console.info('getCountDemo')
console.info('getCountDemo');
let predicates = new dataSharePredicates.DataSharePredicates();
let fetchOption = {
fetchColumns: [],
......@@ -1501,7 +1501,7 @@ async function example() {
};
let fetchResult = await mgr.getPhotoAssets(fetchOption);
const fetchCount = fetchResult.getCount();
console.info('fetchCount = ', fetchCount)
console.info('fetchCount = ', fetchCount);
}
```
......@@ -1556,7 +1556,7 @@ close(): void
import dataSharePredicates from '@ohos.data.dataSharePredicates';
async function example() {
console.info('fetchResultCloseDemo')
console.info('fetchResultCloseDemo');
let predicates = new dataSharePredicates.DataSharePredicates();
let fetchOption = {
fetchColumns: [],
......@@ -1592,7 +1592,7 @@ getFirstObject(callback: AsyncCallback&lt;T&gt;): void
import dataSharePredicates from '@ohos.data.dataSharePredicates';
async function example() {
console.info('getFirstObjectDemo')
console.info('getFirstObjectDemo');
let predicates = new dataSharePredicates.DataSharePredicates();
let fetchOption = {
fetchColumns: [],
......@@ -1601,7 +1601,7 @@ async function example() {
let fetchResult = await mgr.getPhotoAssets(fetchOption);
fetchResult.getFirstObject((err, fileAsset) => {
if (fileAsset != undefined) {
console.info('fileAsset displayName: ', fileAsset.displayName)
console.info('fileAsset displayName: ', fileAsset.displayName);
} else {
console.info("fileAsset failed with err:" + err);
}
......@@ -1621,7 +1621,7 @@ getFirstObject(): Promise&lt;T&gt;
| 类型 | 说明 |
| --------------------------------------- | -------------------------- |
| Promise&lt;T&gt; | Promise方式返回。 |
| Promise&lt;T&gt; | Promise方式返回 |
**示例**：
......@@ -1629,7 +1629,7 @@ getFirstObject(): Promise&lt;T&gt;
import dataSharePredicates from '@ohos.data.dataSharePredicates';
async function example() {
console.info('getFirstObjectDemo')
console.info('getFirstObjectDemo');
let predicates = new dataSharePredicates.DataSharePredicates();
let fetchOption = {
fetchColumns: [],
......@@ -1637,7 +1637,7 @@ async function example() {
};
let fetchResult = await mgr.getPhotoAssets(fetchOption);
let fileAsset = await fetchResult.getFirstObject();
console.info('fileAsset displayName: ', fileAsset.displayName)
console.info('fileAsset displayName: ', fileAsset.displayName);
}
```
......@@ -1661,7 +1661,7 @@ async function example() {
import dataSharePredicates from '@ohos.data.dataSharePredicates';
async function example() {
console.info('getNextObjectDemo')
console.info('getNextObjectDemo');
let predicates = new dataSharePredicates.DataSharePredicates();
let fetchOption = {
fetchColumns: [],
......@@ -1672,7 +1672,7 @@ async function example() {
if (fetchResult.isAfterLast()) {
fetchResult.getNextObject((err, fileAsset) => {
if (fileAsset != undefined) {
console.info('fileAsset displayName: ', fileAsset.displayName)
console.info('fileAsset displayName: ', fileAsset.displayName);
} else {
console.info("fileAsset failed with err:" + err);
}
......@@ -1701,7 +1701,7 @@ async function example() {
import dataSharePredicates from '@ohos.data.dataSharePredicates';
async function example() {
console.info('getNextObjectDemo')
console.info('getNextObjectDemo');
let predicates = new dataSharePredicates.DataSharePredicates();
let fetchOption = {
fetchColumns: [],
......@@ -1711,7 +1711,7 @@ async function example() {
await fetchResult.getFirstObject();
if (fetchResult.isAfterLast()) {
let fileAsset = await fetchResult.getNextObject();
console.info('fileAsset displayName: ', fileAsset.displayName)
console.info('fileAsset displayName: ', fileAsset.displayName);
}
}
```
......@@ -1736,7 +1736,7 @@ getLastObject(callback: AsyncCallback&lt;T&gt;): void
import dataSharePredicates from '@ohos.data.dataSharePredicates';
async function example() {
console.info('getLastObjectDemo')
console.info('getLastObjectDemo');
let predicates = new dataSharePredicates.DataSharePredicates();
let fetchOption = {
fetchColumns: [],
......@@ -1745,7 +1745,7 @@ async function example() {
let fetchResult = await mgr.getPhotoAssets(fetchOption);
fetchResult.getLastObject((err, fileAsset) => {
if (fileAsset != undefined) {
console.info('fileAsset displayName: ', fileAsset.displayName)
console.info('fileAsset displayName: ', fileAsset.displayName);
} else {
console.info("fileAsset failed with err:" + err);
}
......@@ -1773,7 +1773,7 @@ getLastObject(): Promise&lt;T&gt;
import dataSharePredicates from '@ohos.data.dataSharePredicates';
async function example() {
console.info('getLastObjectDemo')
console.info('getLastObjectDemo');
let predicates = new dataSharePredicates.DataSharePredicates();
let fetchOption = {
fetchColumns: [],
......@@ -1781,7 +1781,7 @@ async function example() {
};
let fetchResult = await mgr.getPhotoAssets(fetchOption);
let fileAsset = await fetchResult.getLastObject();
console.info('fileAsset displayName: ', fileAsset.displayName)
console.info('fileAsset displayName: ', fileAsset.displayName);
}
```
......@@ -1806,7 +1806,7 @@ getPositionObject(index: number, callback: AsyncCallback&lt;T&gt;): void
import dataSharePredicates from '@ohos.data.dataSharePredicates';
async function example() {
console.info('getPositionObjectDemo')
console.info('getPositionObjectDemo');
let predicates = new dataSharePredicates.DataSharePredicates();
let fetchOption = {
fetchColumns: [],
......@@ -1815,7 +1815,7 @@ async function example() {
let fetchResult = await mgr.getPhotoAssets(fetchOption);
fetchResult.getPositionObject(0, (err, fileAsset) => {
if (fileAsset != undefined) {
console.info('fileAsset displayName: ', fileAsset.displayName)
console.info('fileAsset displayName: ', fileAsset.displayName);
} else {
console.info("fileAsset failed with err:" + err);
}
......@@ -1849,7 +1849,7 @@ getPositionObject(index: number): Promise&lt;T&gt;
import dataSharePredicates from '@ohos.data.dataSharePredicates';
async function example() {
console.info('getPositionObjectDemo')
console.info('getPositionObjectDemo');
let predicates = new dataSharePredicates.DataSharePredicates();
let fetchOption = {
fetchColumns: [],
......@@ -1857,7 +1857,7 @@ async function example() {
};
let fetchResult = await mgr.getPhotoAssets(fetchOption);
let fileAsset = await fetchResult.getPositionObject(0);
console.info('fileAsset displayName: ', fileAsset.displayName)
console.info('fileAsset displayName: ', fileAsset.displayName);
}
```
......@@ -1881,7 +1881,7 @@ async function example() {
getPhotoAssets(options: FetchOptions, callback: AsyncCallback&lt;FetchResult&lt;FileAsset&gt;&gt;): void;
获取相册中的文件。该方法使用callback形式来返回文件
获取相册中的文件。该方法使用callback形式来返回文件。
**需要权限**：ohos.permission.READ_IMAGEVIDEO
......@@ -1900,7 +1900,7 @@ getPhotoAssets(options: FetchOptions, callback: AsyncCallback&lt;FetchResult&lt;
import dataSharePredicates from '@ohos.data.dataSharePredicates';
async function example() {
console.info('albumGetFileAssetsDemoCallback')
console.info('albumGetFileAssetsDemoCallback');
let predicates = new dataSharePredicates.DataSharePredicates();
let albumFetchOptions = {
......@@ -1925,7 +1925,7 @@ async function example() {
getPhotoAssets(options: FetchOptions): Promise&lt;FetchResult&lt;FileAsset&gt;&gt;;
获取相册中的文件。该方法使用Promise来返回文件
获取相册中的文件。该方法使用Promise来返回文件。
**需要权限**：ohos.permission.READ_IMAGEVIDEO
......@@ -1944,7 +1944,7 @@ getPhotoAssets(options: FetchOptions): Promise&lt;FetchResult&lt;FileAsset&gt;&g
import dataSharePredicates from '@ohos.data.dataSharePredicates';
async function example() {
console.info('albumGetFileAssetsDemoPromise')
console.info('albumGetFileAssetsDemoPromise');
let predicates = new dataSharePredicates.DataSharePredicates();
let albumFetchOptions = {
......@@ -1986,7 +1986,7 @@ commitModify(callback: AsyncCallback&lt;void&gt;): void;
import dataSharePredicates from '@ohos.data.dataSharePredicates';
async function example() {
console.info('albumCommitModifyDemo')
console.info('albumCommitModifyDemo');
let predicates = new dataSharePredicates.DataSharePredicates();
let albumFetchOptions = {
predicates: predicates
......@@ -2026,7 +2026,7 @@ commitModify(): Promise&lt;void&gt;;
import dataSharePredicates from '@ohos.data.dataSharePredicates';
async function example() {
console.info('albumCommitModifyDemo')
console.info('albumCommitModifyDemo');
let predicates = new dataSharePredicates.DataSharePredicates();
let albumFetchOptions = {
predicates: predicates
......@@ -2047,7 +2047,8 @@ async function example() {
```
## PrivateAlbum
系统相册
系统相册。
### 属性
......@@ -2065,7 +2066,7 @@ async function example() {
getPhotoAssets(options: FetchOptions, callback: AsyncCallback&lt;FetchResult&lt;FileAsset&gt;&gt;): void;
获取系统相册中的文件。该方法使用callback形式来返回文件
获取系统相册中的文件。该方法使用callback形式来返回文件。
**需要权限**：ohos.permission.READ_IMAGEVIDEO
......@@ -2084,7 +2085,7 @@ getPhotoAssets(options: FetchOptions, callback: AsyncCallback&lt;FetchResult&lt;
import dataSharePredicates from '@ohos.data.dataSharePredicates';
async function example() {
console.info('privateAlbumGetFileAssetsDemoCallback')
console.info('privateAlbumGetFileAssetsDemoCallback');
let albumList = await mgr.getPrivateAlbum(userFileManager.PrivateAlbumType.TYPE_TRASH);
let predicates = new dataSharePredicates.DataSharePredicates();
let fetchOption = {
......@@ -2107,7 +2108,7 @@ async function example() {
getPhotoAssets(options: FetchOptions): Promise&lt;FetchResult&lt;FileAsset&gt;&gt;;
获取系统相册中的文件。该方法使用Promise来返回文件
获取系统相册中的文件。该方法使用Promise来返回文件。
**需要权限**：ohos.permission.READ_IMAGEVIDEO
......@@ -2131,7 +2132,7 @@ getPhotoAssets(options: FetchOptions): Promise&lt;FetchResult&lt;FileAsset&gt;&g
import dataSharePredicates from '@ohos.data.dataSharePredicates';
async function example() {
console.info('privateAlbumGetFileAssetsDemoPromise')
console.info('privateAlbumGetFileAssetsDemoPromise');
let albumList = await mgr.getPrivateAlbum(userFileManager.PrivateAlbumType.TYPE_TRASH);
let predicates = new dataSharePredicates.DataSharePredicates();
let fetchOption = {
......@@ -2148,7 +2149,7 @@ async function example() {
delete(uri: string, callback: AsyncCallback&lt;void&gt;): void;
删除系统相册中的文件
删除系统相册中的文件。
**需要权限**：ohos.permission.READ_IMAGEVIDEO 和 ohos.permission.WRITE_IMAGEVIDEO 或 ohos.permission.READ_AUDIO 和 ohos.permission.WRITE_AUDIO
......@@ -2191,7 +2192,7 @@ async function example() {
delete(uri: string): Promise&lt;void&gt;;
删除系统相册中的文件
删除系统相册中的文件。
**需要权限**：ohos.permission.READ_IMAGEVIDEO 和 ohos.permission.WRITE_IMAGEVIDEO 或 ohos.permission.READ_AUDIO 和 ohos.permission.WRITE_AUDIO
......@@ -2215,7 +2216,7 @@ delete(uri: string): Promise&lt;void&gt;;
import dataSharePredicates from '@ohos.data.dataSharePredicates';
async function example() {
console.info('privateAlbumDeleteDemoPromise')
console.info('privateAlbumDeleteDemoPromise');
let albumList = await mgr.getPrivateAlbum(userFileManager.PrivateAlbumType.TYPE_TRASH);
let predicates = new dataSharePredicates.DataSharePredicates();
let fetchOption = {
......@@ -2238,7 +2239,7 @@ async function example() {
recover(uri: string, callback: AsyncCallback&lt;void&gt;): void;
恢复系统相册中的文件
恢复系统相册中的文件。
**需要权限**：ohos.permission.READ_IMAGEVIDEO 和 ohos.permission.WRITE_IMAGEVIDEO 或 ohos.permission.READ_AUDIO 和 ohos.permission.WRITE_AUDIO
......@@ -2281,7 +2282,7 @@ async function example() {
recover(uri: string): Promise&lt;void&gt;;
恢复系统相册中的文件
恢复系统相册中的文件。
**需要权限**：ohos.permission.READ_IMAGEVIDEO 和 ohos.permission.WRITE_IMAGEVIDEO 或 ohos.permission.READ_AUDIO 和 ohos.permission.WRITE_AUDIO
......@@ -2305,7 +2306,7 @@ recover(uri: string): Promise&lt;void&gt;;
import dataSharePredicates from '@ohos.data.dataSharePredicates';
async function example() {
console.info('privateAlbumRecoverDemoPromise')
console.info('privateAlbumRecoverDemoPromise');
let albumList = await mgr.getPrivateAlbum(userFileManager.PrivateAlbumType.TYPE_TRASH);
let predicates = new dataSharePredicates.DataSharePredicates();
let fetchOption = {
......
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