From c648d507eedd5ba97ce0d66a48ec2f92d18e660a Mon Sep 17 00:00:00 2001 From: li_juntao Date: Mon, 20 Jun 2022 14:14:22 +0800 Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8Dstorage=E7=A4=BA=E4=BE=8B?= =?UTF-8?q?=E4=BB=A3=E7=A0=81=E9=94=99=E8=AF=AF?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: li_juntao --- .../reference/apis/js-apis-data-storage.md | 106 ++++++++---------- 1 file changed, 45 insertions(+), 61 deletions(-) diff --git a/zh-cn/application-dev/reference/apis/js-apis-data-storage.md b/zh-cn/application-dev/reference/apis/js-apis-data-storage.md index bb5408c97d..e0e2307ced 100644 --- a/zh-cn/application-dev/reference/apis/js-apis-data-storage.md +++ b/zh-cn/application-dev/reference/apis/js-apis-data-storage.md @@ -13,7 +13,7 @@ ## 导入模块 ```js -import dataStorage from '@ohos.data.storage'; +import data_storage from '@ohos.data.storage'; ``` ## 常量 @@ -26,7 +26,7 @@ import dataStorage from '@ohos.data.storage'; | MAX_VALUE_LENGTH | string | 是 | 否 | value的最大长度限制，需小于8192字节。 | -## dataStorage.getStorageSync +## data_storage.getStorageSync getStorageSync(path: string): Storage @@ -46,24 +46,17 @@ getStorageSync(path: string): Storage **示例：** ```js - import dataStorage from '@ohos.data.storage' - import featureAbility from '@ohos.ability.featureAbility' + import data_storage from '@ohos.data.storage' + + let path = '/data/storage/el2/database' + let storage = data_storage.getStorageSync(path + '/mystore') + storage.putSync('startup', 'auto') + storage.flushSync() - var context = featureAbility.getContext() - context.getFilesDir((err, path) => { - if (err) { - console.error('getFilesDir failed. err: ' + JSON.stringify(err)); - return; - } - console.info('getFilesDir successful. path:' + JSON.stringify(path)); - let storage = dataStorage.getStorageSync(path + '/mystore') - storage.putSync('startup', 'auto') - storage.flushSync() - }); ``` -## dataStorage.getStorage +## data_storage.getStorage getStorage(path: string, callback: AsyncCallback<Storage>): void @@ -79,29 +72,21 @@ getStorage(path: string, callback: AsyncCallback<Storage>): void **示例：** ```js - import dataStorage from '@ohos.data.storage' - import featureAbility from '@ohos.ability.featureAbility' + import data_storage from '@ohos.data.storage' - var context = featureAbility.getContext() - context.getFilesDir((err, path) => { + let path = '/data/storage/el2/database' + data_storage.getStorage(path + '/mystore', function (err, storage) { if (err) { - console.error('getFilesDir failed. err: ' + JSON.stringify(err)); + console.info("Get the storage failed, path: " + path + '/mystore') return; } - console.info('getFilesDir successful. path:' + JSON.stringify(path)); - dataStorage.getStorage(path + '/mystore', function (err, storage) { - if (err) { - console.info("Get the storage failed, path: " + path + '/mystore') - return; - } - storage.putSync('startup', 'auto') - storage.flushSync() - }) - }); + storage.putSync('startup', 'auto') + storage.flushSync() + }) ``` -## dataStorage.getStorage +## data_storage.getStorage getStorage(path: string): Promise<Storage> @@ -121,28 +106,21 @@ getStorage(path: string): Promise<Storage> **示例：** ```js - import dataStorage from '@ohos.data.storage' - import featureAbility from '@ohos.ability.featureAbility' + import data_storage from '@ohos.data.storage' - var context = featureAbility.getContext() - context.getFilesDir((err, path) => { - if (err) { - console.info("Get the storage failed, path: " + path + '/mystore') - return; - } - console.info('getFilesDir successful. path:' + JSON.stringify(path)); - let promisegetSt = dataStorage.getStorage(path + '/mystore') - promisegetSt.then((storage) => { - storage.putSync('startup', 'auto') - storage.flushSync() - }).catch((err) => { - console.info("Get the storage failed, path: " + path + '/mystore') - }) - }); + let path = '/data/storage/el2/database' + + let getPromise = data_storage.getStorage(path + '/mystore') + getPromise.then((storage) => { + storage.putSync('startup', 'auto') + storage.flushSync() + }).catch((err) => { + console.info("Get the storage failed, path: " + path + '/mystore') + }) ``` -## dataStorage.deleteStorageSync +## data_storage.deleteStorageSync deleteStorageSync(path: string): void @@ -157,11 +135,12 @@ deleteStorageSync(path: string): void **示例：** ```js - dataStorage.deleteStorageSync(path + '/mystore') + let path = '/data/storage/el2/database' + data_storage.deleteStorageSync(path + '/mystore') ``` -## dataStorage.deleteStorage +## data_storage.deleteStorage deleteStorage(path: string, callback: AsyncCallback<void>): void @@ -177,7 +156,8 @@ deleteStorage(path: string, callback: AsyncCallback<void>): void **示例：** ```js - dataStorage.deleteStorage(path + '/mystore', function (err) { + let path = '/data/storage/el2/database' + data_storage.deleteStorage(path + '/mystore', function (err) { if (err) { console.info("Deleted failed with err: " + err) return @@ -187,7 +167,7 @@ deleteStorage(path: string, callback: AsyncCallback<void>): void ``` -## dataStorage.deleteStorage +## data_storage.deleteStorage deleteStorage(path: string): Promise<void> @@ -207,7 +187,8 @@ deleteStorage(path: string): Promise<void> **示例：** ```js - let promisedelSt = dataStorage.deleteStorage(path + '/mystore') + let path = '/data/storage/el2/database' + let promisedelSt = data_storage.deleteStorage(path + '/mystore') promisedelSt.then(() => { console.info("Deleted successfully.") }).catch((err) => { @@ -216,7 +197,7 @@ deleteStorage(path: string): Promise<void> ``` -## dataStorage.removeStorageFromCacheSync +## data_storage.removeStorageFromCacheSync removeStorageFromCacheSync(path: string): void @@ -231,11 +212,12 @@ removeStorageFromCacheSync(path: string): void **示例：** ```js - dataStorage.removeStorageFromCacheSync(path + '/mystore') + let path = '/data/storage/el2/database' + data_storage.removeStorageFromCacheSync(path + '/mystore') ``` -## dataStorage.removeStorageFromCache +## data_storage.removeStorageFromCache removeStorageFromCache(path: string, callback: AsyncCallback<void>): void @@ -251,7 +233,8 @@ removeStorageFromCache(path: string, callback: AsyncCallback<void>): void **示例：** ```js - dataStorage.removeStorageFromCache(path + '/mystore', function (err) { + let path = '/data/storage/el2/database' + data_storage.removeStorageFromCache(path + '/mystore', function (err) { if (err) { console.info("Removed storage from cache failed with err: " + err) return @@ -261,7 +244,7 @@ removeStorageFromCache(path: string, callback: AsyncCallback<void>): void ``` -## dataStorage.removeStorageFromCache +## data_storage.removeStorageFromCache removeStorageFromCache(path: string): Promise<void> @@ -281,7 +264,8 @@ removeStorageFromCache(path: string): Promise<void> **示例：** ```js - let promiserevSt = dataStorage.removeStorageFromCache(path + '/mystore') + let path = '/data/storage/el2/database' + let promiserevSt = data_storage.removeStorageFromCache(path + '/mystore') promiserevSt.then(() => { console.info("Removed storage from cache successfully.") }).catch((err) => { -- GitLab