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体验新版 GitCode,发现更多精彩内容 >>
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bad0f6f5
编写于
10月 26, 2022
作者:
D
duanweiling
浏览文件
操作
浏览文件
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电子邮件补丁
差异文件
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Signed-off-by:
N
duanweiling
<
duanweiling@huawei.com
>
上级
21be5ced
变更
1
显示空白变更内容
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并排
Showing
1 changed file
with
87 addition
and
89 deletion
+87
-89
zh-cn/application-dev/reference/apis/js-apis-data-preferences.md
...pplication-dev/reference/apis/js-apis-data-preferences.md
+87
-89
未找到文件。
zh-cn/application-dev/reference/apis/js-apis-data-preferences.md
浏览文件 @
bad0f6f5
...
...
@@ -122,7 +122,7 @@ import featureAbility from '@ohos.ability.featureAbility';
let
context
=
featureAbility
.
getContext
();
let
preferences
=
null
;
try
{
try
{
let
promise
=
data_preferences
.
getPreferences
(
context
,
'
mystore
'
);
promise
.
then
((
object
)
=>
{
preferences
=
object
;
...
...
@@ -148,7 +148,7 @@ class MainAbility extends Ability{
}
let
preferences
=
null
;
try
{
try
{
let
promise
=
data_preferences
.
getPreferences
(
context
,
'
mystore
'
);
promise
.
then
((
object
)
=>
{
preferences
=
object
;
...
...
@@ -278,7 +278,7 @@ FA模型示例:
import
featureAbility
from
'
@ohos.ability.featureAbility
'
;
let
context
=
featureAbility
.
getContext
();
try
{
try
{
let
promise
=
data_preferences
.
deletePreferences
(
context
,
'
mystore
'
);
promise
.
then
(()
=>
{
console
.
info
(
"
Succeeded in deleting preferences.
"
);
...
...
@@ -347,7 +347,6 @@ try {
console
.
info
(
"
Failed to remove preferences. code =
"
+
err
.
code
+
"
, message =
"
+
err
.
message
);
return
;
}
expect
(
true
).
assertEqual
(
val
);
console
.
info
(
"
Succeeded in removing preferences.
"
);
})
}
catch
(
err
)
{
...
...
@@ -373,7 +372,6 @@ try {
console
.
info
(
"
Failed to remove preferences. code =
"
+
err
.
code
+
"
, message =
"
+
err
.
message
);
return
;
}
expect
(
true
).
assertEqual
(
val
);
console
.
info
(
"
Succeeded in removing preferences.
"
);
})
}
catch
(
err
)
{
...
...
@@ -414,7 +412,7 @@ FA模型示例:
import
featureAbility
from
'
@ohos.ability.featureAbility
'
;
let
context
=
featureAbility
.
getContext
();
try
{
try
{
let
promise
=
data_preferences
.
removePreferencesFromCache
(
context
,
'
mystore
'
);
promise
.
then
(()
=>
{
console
.
info
(
"
Succeeded in removing preferences.
"
);
...
...
@@ -438,7 +436,7 @@ class MainAbility extends Ability{
}
}
try
{
try
{
let
promise
=
data_preferences
.
removePreferencesFromCache
(
context
,
'
mystore
'
);
promise
.
then
(()
=>
{
console
.
info
(
"
Succeeded in removing preferences.
"
);
...
...
@@ -482,7 +480,6 @@ try {
console
.
info
(
"
Failed to get value of 'startup'. code =
"
+
err
.
code
+
"
, message =
"
+
err
.
message
);
return
;
}
expect
(
true
).
assertEqual
(
val
);
console
.
info
(
"
Succeeded in getting value of 'startup'. val:
"
+
val
);
})
}
catch
(
err
)
{
...
...
@@ -515,7 +512,7 @@ get(key: string, defValue: ValueType): Promise<ValueType>
**示例:**
```
js
try
{
try
{
let
promise
=
preferences
.
get
(
'
startup
'
,
'
default
'
);
promise
.
then
((
data
)
=>
{
console
.
info
(
"
Succeeded in getting value of 'startup'. Data:
"
+
data
);
...
...
@@ -610,7 +607,7 @@ put(key: string, value: ValueType, callback: AsyncCallback<void>): void
**示例:**
```
js
try
{
try
{
preferences
.
put
(
'
startup
'
,
'
auto
'
,
function
(
err
)
{
if
(
err
)
{
console
.
info
(
"
Failed to put value of 'startup'. code =
"
+
err
.
code
+
"
, message =
"
+
err
.
message
);
...
...
@@ -648,7 +645,7 @@ put(key: string, value: ValueType): Promise<void>
**示例:**
```
js
try
{
try
{
let
promise
=
preferences
.
put
(
'
startup
'
,
'
auto
'
);
promise
.
then
(()
=>
{
console
.
info
(
"
Succeeded in putting value of 'startup'.
"
);
...
...
@@ -679,7 +676,7 @@ has(key: string, callback: AsyncCallback<boolean>): void
**示例:**
```
js
try
{
try
{
preferences
.
has
(
'
startup
'
,
function
(
err
,
val
)
{
if
(
err
)
{
console
.
info
(
"
Failed to check the key 'startup'. code =
"
+
err
.
code
+
"
, message =
"
+
err
.
message
);
...
...
@@ -720,7 +717,7 @@ has(key: string): Promise<boolean>
**示例:**
```
js
try
{
try
{
let
promise
=
preferences
.
has
(
'
startup
'
);
promise
.
then
((
val
)
=>
{
if
(
val
)
{
...
...
@@ -755,7 +752,7 @@ delete(key: string, callback: AsyncCallback<void>): void
**示例:**
```
js
try
{
try
{
preferences
.
delete
(
'
startup
'
,
function
(
err
)
{
if
(
err
)
{
console
.
info
(
"
Failed to delete the key 'startup'. code =
"
+
err
.
code
+
"
, message =
"
+
err
.
message
);
...
...
@@ -792,7 +789,7 @@ delete(key: string): Promise<void>
**示例:**
```
js
try
{
try
{
let
promise
=
preferences
.
delete
(
'
startup
'
);
promise
.
then
(()
=>
{
console
.
info
(
"
Succeeded in deleting the key 'startup'.
"
);
...
...
@@ -822,7 +819,7 @@ flush(callback: AsyncCallback<void>): void
**示例:**
```
js
try
{
try
{
preferences
.
flush
(
function
(
err
)
{
if
(
err
)
{
console
.
info
(
"
Failed to flush. code =
"
+
err
.
code
+
"
, message =
"
+
err
.
message
);
...
...
@@ -883,8 +880,8 @@ clear(callback: AsyncCallback<void>): void
**示例:**
```
js
try
{
preferences
.
clear
(
function
(
err
)
{
try
{
preferences
.
clear
(
function
(
err
)
{
if
(
err
)
{
console
.
info
(
"
Failed to clear. code =
"
+
err
.
code
+
"
, message =
"
+
err
.
message
);
return
;
...
...
@@ -914,8 +911,8 @@ clear(): Promise<void>
**示例:**
```
js
try
{
let
promise
=
preferences
.
clear
()
try
{
let
promise
=
preferences
.
clear
()
;
promise
.
then
(()
=>
{
console
.
info
(
"
Succeeded in clearing.
"
);
}).
catch
((
err
)
=>
{
...
...
@@ -971,9 +968,9 @@ try {
})
})
})
}
catch
(
err
)
{
}
catch
(
err
)
{
console
.
info
(
"
Failed to flush. code =
"
+
err
.
code
+
"
, message =
"
+
err
.
message
);
}
}
```
...
...
@@ -1017,13 +1014,14 @@ try {
console
.
info
(
"
Failed to flush. Cause:
"
+
err
);
return
;
}
console
.
info
(
"
Succeeded in flushing.
"
);
// observer will be called.
console
.
info
(
"
Succeeded in flushing.
"
);
})
preferences
.
off
(
'
change
'
,
observer
);
})
})
}
catch
(
err
)
{
console
.
info
(
"
Failed to flush. code =
"
+
err
.
code
+
"
, message =
"
+
err
.
message
);}
console
.
info
(
"
Failed to flush. code =
"
+
err
.
code
+
"
, message =
"
+
err
.
message
);
}
```
## ValueType
...
...
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