提交 31e6db7b 编写于 作者: L lvxiaoqiang

modify settings api

Signed-off-by: Nlvxiaoqiang <lvxiaoqiang1@huawei.com>
上级 67efbb10
......@@ -19,9 +19,9 @@ import settings from '@ohos.settings';
## settings.getUri
## settings.getUriSync
getUri(name: string): string
getUriSync(name: string): string
获取数据项的URI。
......@@ -38,13 +38,13 @@ getUri(name: string): string
- 示例:
```
// 获取数据项的URI
let urivar = settings.getUri('settings.screen.brightness');
let urivar = settings.getUriSync('settings.screen.brightness');
```
## settings.getValue
## settings.getValueSync
getValue(dataAbilityHelper: DataAbilityHelper, name: string, defValue: string): string
getValueSync(dataAbilityHelper: DataAbilityHelper, name: string, defValue: string): string
获取数据项的值。
......@@ -66,18 +66,18 @@ getValue(dataAbilityHelper: DataAbilityHelper, name: string, defValue: string):
//获取数据项亮度的值(该数据项在数据库中已存在)
let brightness = 'settings.screen.brightness';
let uri = settings.getUri(brightness);
let uri = settings.getUriSync(brightness);
let helper = featureAbility.acquireDataAbilityHelper(uri);
let value = settings.getValue(helper, brightness, '10');
let value = settings.getValueSync(helper, brightness, '10');
```
## settings.setValue
## settings.setValueSync
setValue(dataAbilityHelper: DataAbilityHelper, name: string, value: string): boolean
setValueSync(dataAbilityHelper: DataAbilityHelper, name: string, value: string): boolean
设置数据项的值。
如果数据库中已经存在该数据项,则setValue方法将更新该数据项的值;如果数据库中尚未存在该数据项,则setValue方法将向数据库中插入该数据项。
如果数据库中已经存在该数据项,则setValueSync方法将更新该数据项的值;如果数据库中尚未存在该数据项,则setValueSync方法将向数据库中插入该数据项。
使用此方法需获取ohos.permission.WRITE_SYSTEM_SETTING权限。
......@@ -97,9 +97,9 @@ setValue(dataAbilityHelper: DataAbilityHelper, name: string, value: string): boo
```
import featureAbility from '@ohos.featureAbility';
//更新数据项亮度的值(该数据项在数据库中已存在,故setValue方法将更新该数据项的值)
//更新数据项亮度的值(该数据项在数据库中已存在,故setValueSync方法将更新该数据项的值)
let brightness = 'settings.screen.brightness';
let uri = settings.getUri(brightness);
let uri = settings.getUriSync(brightness);
let helper = featureAbility.acquireDataAbilityHelper(uri);
let ret = settings.setValue(helper, brightness, '100');
let ret = settings.setValueSync(helper, brightness, '100');
```
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