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体验新版 GitCode,发现更多精彩内容 >>
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14af36ba
编写于
6月 16, 2022
作者:
O
openharmony_ci
提交者:
Gitee
6月 16, 2022
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!5451 【轻量级 PR】:3.2Beta1分支:js-apis-data-storage.md:导入模块及自动化测试entity修改,需同步翻译
Merge pull request !5451 from 葛亚芳/N/A
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235ccb70
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zh-cn/application-dev/reference/apis/js-apis-data-storage.md
zh-cn/application-dev/reference/apis/js-apis-data-storage.md
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zh-cn/application-dev/reference/apis/js-apis-data-storage.md
浏览文件 @
14af36ba
...
...
@@ -13,7 +13,7 @@
## 导入模块
```
js
import
data
S
torage
from
'
@ohos.data.storage
'
;
import
data
_s
torage
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。 |
## data
S
torage.getStorageSync
## data
_s
torage.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
'
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
'
)
var
path
=
'
/data/storage/el2/database/test_storage
'
let
storage
=
data_storage
.
getStorageSync
(
path
+
'
/mystore
'
)
storage
.
putSync
(
'
startup
'
,
'
auto
'
)
storage
.
flushSync
()
});
```
## data
S
torage.getStorage
## data
_s
torage.getStorage
getStorage(path: string, callback: AsyncCallback
<
Storage
>
): void
...
...
@@ -79,17 +72,10 @@ 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
)
=>
{
if
(
err
)
{
console
.
error
(
'
getFilesDir failed. err:
'
+
JSON
.
stringify
(
err
));
return
;
}
console
.
info
(
'
getFilesDir successful. path:
'
+
JSON
.
stringify
(
path
));
dataStorage
.
getStorage
(
path
+
'
/mystore
'
,
function
(
err
,
storage
)
{
var
path
=
'
/data/storage/el2/database/test_storage
'
data_storage
.
getStorage
(
path
+
'
/mystore
'
,
function
(
err
,
storage
)
{
if
(
err
)
{
console
.
info
(
"
Get the storage failed, path:
"
+
path
+
'
/mystore
'
)
return
;
...
...
@@ -97,11 +83,10 @@ getStorage(path: string, callback: AsyncCallback<Storage>): void
storage
.
putSync
(
'
startup
'
,
'
auto
'
)
storage
.
flushSync
()
})
});
```
## data
S
torage.getStorage
## data
_s
torage.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
)
=>
{
var
path
=
'
/data/storage/el2/database/test_storage
'
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
'
)
})
});
```
## data
S
torage.deleteStorageSync
## data
_s
torage.deleteStorageSync
deleteStorageSync(path: string): void
...
...
@@ -157,11 +135,11 @@ deleteStorageSync(path: string): void
**示例:**
```
js
data
S
torage
.
deleteStorageSync
(
path
+
'
/mystore
'
)
data
_s
torage
.
deleteStorageSync
(
path
+
'
/mystore
'
)
```
## data
S
torage.deleteStorage
## data
_s
torage.deleteStorage
deleteStorage(path: string, callback: AsyncCallback
<
void
>
): void
...
...
@@ -177,7 +155,7 @@ deleteStorage(path: string, callback: AsyncCallback<void>): void
**示例:**
```
js
data
S
torage
.
deleteStorage
(
path
+
'
/mystore
'
,
function
(
err
)
{
data
_s
torage
.
deleteStorage
(
path
+
'
/mystore
'
,
function
(
err
)
{
if
(
err
)
{
console
.
info
(
"
Deleted failed with err:
"
+
err
)
return
...
...
@@ -187,7 +165,7 @@ deleteStorage(path: string, callback: AsyncCallback<void>): void
```
## data
S
torage.deleteStorage
## data
_s
torage.deleteStorage
deleteStorage(path: string): Promise
<
void
>
...
...
@@ -207,7 +185,7 @@ deleteStorage(path: string): Promise<void>
**示例:**
```
js
let
promisedelSt
=
data
S
torage
.
deleteStorage
(
path
+
'
/mystore
'
)
let
promisedelSt
=
data
_s
torage
.
deleteStorage
(
path
+
'
/mystore
'
)
promisedelSt
.
then
(()
=>
{
console
.
info
(
"
Deleted successfully.
"
)
}).
catch
((
err
)
=>
{
...
...
@@ -216,7 +194,7 @@ deleteStorage(path: string): Promise<void>
```
## data
S
torage.removeStorageFromCacheSync
## data
_s
torage.removeStorageFromCacheSync
removeStorageFromCacheSync(path: string): void
...
...
@@ -231,11 +209,11 @@ removeStorageFromCacheSync(path: string): void
**示例:**
```
js
data
S
torage
.
removeStorageFromCacheSync
(
path
+
'
/mystore
'
)
data
_s
torage
.
removeStorageFromCacheSync
(
path
+
'
/mystore
'
)
```
## data
S
torage.removeStorageFromCache
## data
_s
torage.removeStorageFromCache
removeStorageFromCache(path: string, callback: AsyncCallback
<
void
>
): void
...
...
@@ -251,7 +229,7 @@ removeStorageFromCache(path: string, callback: AsyncCallback<void>): void
**示例:**
```
js
data
S
torage
.
removeStorageFromCache
(
path
+
'
/mystore
'
,
function
(
err
)
{
data
_s
torage
.
removeStorageFromCache
(
path
+
'
/mystore
'
,
function
(
err
)
{
if
(
err
)
{
console
.
info
(
"
Removed storage from cache failed with err:
"
+
err
)
return
...
...
@@ -261,7 +239,7 @@ removeStorageFromCache(path: string, callback: AsyncCallback<void>): void
```
## data
S
torage.removeStorageFromCache
## data
_s
torage.removeStorageFromCache
removeStorageFromCache(path: string): Promise
<
void
>
...
...
@@ -281,7 +259,7 @@ removeStorageFromCache(path: string): Promise<void>
**示例:**
```
js
let
promiserevSt
=
data
S
torage
.
removeStorageFromCache
(
path
+
'
/mystore
'
)
let
promiserevSt
=
data
_s
torage
.
removeStorageFromCache
(
path
+
'
/mystore
'
)
promiserevSt
.
then
(()
=>
{
console
.
info
(
"
Removed storage from cache successfully.
"
)
}).
catch
((
err
)
=>
{
...
...
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