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体验新版 GitCode,发现更多精彩内容 >>
提交
019b6bbc
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
a2563559
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
30 addition
and
28 deletion
+30
-28
zh-cn/application-dev/reference/apis/js-apis-data-preferences.md
...pplication-dev/reference/apis/js-apis-data-preferences.md
+30
-28
未找到文件。
zh-cn/application-dev/reference/apis/js-apis-data-preferences.md
浏览文件 @
019b6bbc
...
...
@@ -315,7 +315,6 @@ try{
}
catch
(
err
)
{
console
.
info
(
"
Failed to delete preferences. code =
"
+
err
.
code
+
"
, message =
"
+
err
.
message
);
}
```
## data_preferences.removePreferencesFromCache
...
...
@@ -449,7 +448,6 @@ try{
}
catch
(
err
)
{
console
.
info
(
"
Failed to remove preferences. code =
"
+
err
.
code
+
"
, message =
"
+
err
.
message
);
}
```
## Preferences
...
...
@@ -484,7 +482,7 @@ try {
console
.
info
(
"
Failed to get value of 'startup'. code =
"
+
err
.
code
+
"
, message =
"
+
err
.
message
);
return
;
}
console
.
info
(
"
Succeeded in getting value of 'startup'.
Data:
"
+
data
);
console
.
info
(
"
Succeeded in getting value of 'startup'.
val:
"
+
val
);
})
}
catch
(
err
)
{
console
.
info
(
"
Failed to get value of 'startup'. code =
"
+
err
.
code
+
"
, message =
"
+
err
.
message
);
...
...
@@ -680,16 +678,18 @@ has(key: string, callback: AsyncCallback<boolean>): void
**示例:**
```
js
try
{
preferences
.
has
(
'
startup
'
,
function
(
err
,
val
)
{
try
{
preferences
.
has
(
'
startup
'
,
function
(
err
,
val
)
{
if
(
err
)
{
console
.
info
(
"
Failed to check the key 'startup'. code =
"
+
err
.
code
+
"
, message =
"
+
err
.
message
);
return
;
console
.
info
(
"
Failed to check the key 'startup'. code =
"
+
err
.
code
+
"
, message =
"
+
err
.
message
);
return
;
}
if
(
val
)
{
console
.
info
(
"
The key 'startup' is contained.
"
);
}
else
{
console
.
info
(
"
The key 'startup' dose not contain.
"
);
}
if
(
val
)
{
console
.
info
(
"
The key 'startup' is contained.
"
);
}
else
{
console
.
info
(
"
The key 'startup' dose not contain.
"
);
})
}
catch
(
err
)
{
console
.
info
(
"
Failed to check the key 'startup'. code =
"
+
err
.
code
+
"
, message =
"
+
err
.
message
);
}
...
...
@@ -719,20 +719,21 @@ has(key: string): Promise<boolean>
**示例:**
```
js
try
{
let
promise
=
preferences
.
has
(
'
startup
'
);
promise
.
then
((
isExist
)
=>
{
if
(
val
)
{
console
.
info
(
"
The key 'startup' is contained.
"
);
}
else
{
console
.
info
(
"
The key 'startup' dose not contain.
"
);
try
{
let
promise
=
preferences
.
has
(
'
startup
'
);
promise
.
then
((
val
)
=>
{
if
(
val
)
{
console
.
info
(
"
The key 'startup' is contained.
"
);
}
else
{
console
.
info
(
"
The key 'startup' dose not contain.
"
);
}
}).
catch
((
err
)
=>
{
console
.
info
(
"
Failed to check the key 'startup'. code =
"
+
err
.
code
+
"
, message =
"
+
err
.
message
);
})
}
catch
(
err
)
{
console
.
info
(
"
Failed to check the key 'startup'. code =
"
+
err
.
code
+
"
, message =
"
+
err
.
message
);
}
}).
catch
((
err
)
=>
{
console
.
info
(
"
Failed to check the key 'startup'. code =
"
+
err
.
code
+
"
, message =
"
+
err
.
message
);
})
}
catch
(
err
)
{
console
.
info
(
"
Failed to check the key 'startup'. code =
"
+
err
.
code
+
"
, message =
"
+
err
.
message
);
}
```
...
...
@@ -944,9 +945,8 @@ on(type: 'change', callback: Callback<{ key : string }>): void
**示例:**
```
js
data_preferences
.
getPreferences
(
this
.
context
,
'
mystore
'
,
function
(
err
,
preferences
)
{
try
{
data_preferences
.
getPreferences
(
this
.
context
,
'
mystore
'
,
function
(
err
,
preferences
)
{
data_preferences
.
getPreferences
(
this
.
context
,
'
mystore
'
,
function
(
err
,
preferences
)
{
if
(
err
)
{
console
.
info
(
"
Failed to get preferences.
"
);
return
;
...
...
@@ -967,7 +967,10 @@ try {
console
.
info
(
"
Failed to flush. Cause:
"
+
err
);
return
;
}
console
.
info
(
"
Succeeded in flushing.
"
);
// observer will be called.
console
.
info
(
"
Succeeded in flushing.
"
);
// observer will be called.
})
})
})
}
catch
(
error
)
{
console
.
info
(
"
Failed to flush. code =
"
+
err
.
code
+
"
, message =
"
+
err
.
message
);
}
...
...
@@ -1019,7 +1022,6 @@ data_preferences.getPreferences(this.context, 'mystore', function (err, preferen
preferences
.
off
(
'
change
'
,
observer
);
})
})
}
catch
(
error
)
{
console
.
info
(
"
Failed to flush. code =
"
+
err
.
code
+
"
, message =
"
+
err
.
message
);}
```
...
...
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