From 63f5f0927ece88181057ecf7453bde73f75cc63f Mon Sep 17 00:00:00 2001 From: caojiajun Date: Thu, 25 Apr 2024 22:19:29 +0800 Subject: [PATCH] remove example of predicates.between Signed-off-by: caojiajun Change-Id: I0597a139d1bd740f65dfbd995264dabfda473f20 --- .../photoAccessHelper-resource-guidelines.md | 33 ------------------- 1 file changed, 33 deletions(-) diff --git a/zh-cn/application-dev/media/medialibrary/photoAccessHelper-resource-guidelines.md b/zh-cn/application-dev/media/medialibrary/photoAccessHelper-resource-guidelines.md index 74b4eb1192..f79a98c475 100644 --- a/zh-cn/application-dev/media/medialibrary/photoAccessHelper-resource-guidelines.md +++ b/zh-cn/application-dev/media/medialibrary/photoAccessHelper-resource-guidelines.md @@ -81,39 +81,6 @@ async function example() { } ``` -### 指定文件添加的时间获取图片或视频资源 - -下面以查询指定添加时间为'2022-06-01'至'2023-06-01'这一年内为例。 - -```ts -import dataSharePredicates from '@ohos.data.dataSharePredicates'; -import photoAccessHelper from '@ohos.file.photoAccessHelper'; -const context = getContext(this); -let phAccessHelper = photoAccessHelper.getPhotoAccessHelper(context); - -async function example() { - let predicates: dataSharePredicates.DataSharePredicates = new dataSharePredicates.DataSharePredicates(); - let startTime = Date.parse(new Date('2022-06-01').toString()) / 1000; // 查询起始时间距1970年1月1日的秒数值。 - let endTime = Date.parse(new Date('2023-06-01').toString()) / 1000; // 查询结束时间距1970年1月1日的秒数值。 - let date_added: photoAccessHelper.PhotoKeys = photoAccessHelper.PhotoKeys.DATE_ADDED; - predicates.between(date_added, startTime, endTime); - predicates.orderByDesc(date_added); // 查询结果按照降序排序。 - let fetchOptions: photoAccessHelper.FetchOptions = { - fetchColumns: [date_added], // date_added属性不属于默认查询列，需要自行添加。 - predicates: predicates - }; - try { - let fetchResult: photoAccessHelper.FetchResult = await phAccessHelper.getAssets(fetchOptions); - console.info('getAssets count: ' + fetchResult.getCount()); - let photoAsset: photoAccessHelper.PhotoAsset = await fetchResult.getFirstObject(); - console.info('getAssets photoAsset.displayName : ' + photoAsset.displayName); - fetchResult.close(); - } catch (err) { - console.error('getAssets failed with err: ' + err); - } -} -``` - ## 获取图片和视频缩略图 通过接口[PhotoAsset.getThumbnail](../../reference/apis-media-library-kit/js-apis-photoAccessHelper.md#getthumbnail-2)，传入缩略图尺寸，可以获取图片和视频缩略图。缩略图常用于UI界面展示。 -- Gitee