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提交 93041aad 编写于 作者: D duanweiling
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增加首选项错误码文档 

Signed-off-by: Nduanweiling <duanweiling@huawei.com>
上级 061300e8
隐藏空白更改
内联 并排
Showing with 130 addition and 128 deletion
zh-cn/application-dev/reference/apis/js-apis-data-preferences.md
浏览文件 @ 93041aad
......@@ -53,16 +53,15 @@ let context = featureAbility.getContext();
let preferences = null;
try {
data_preferences.getPreferences(context, 'mystore', function (err, val) {
if (err) {
console.info("Failed to get preferences. code =" + err.code + ", message =" + err.message);
return;
}
preferences = object;
console.info("Succeeded in getting preferences.");
})
data_preferences.getPreferences(context, 'mystore', function (err, val) {
if (err) {
console.info("Failed to get preferences. code =" + err.code + ", message =" + err.message);
return;
}
console.info("Succeeded in getting preferences.");
})
} catch (err) {
console.info("Failed to get preferences. code =" + err.code + ", message =" + err.message);
console.info("Failed to get preferences. code =" + err.code + ", message =" + err.message);
}
```
......@@ -80,16 +79,15 @@ class MainAbility extends Ability{
let preferences = null;
try {
data_preferences.getPreferences(context, 'mystore', function (err, val) {
if (err) {
console.info("Failed to get preferences. code =" + err.code + ", message =" + err.message);
return;
}
preferences = object;
console.info("Succeeded in getting preferences.");
})
data_preferences.getPreferences(context, 'mystore', function (err, val) {
if (err) {
console.info("Failed to get preferences. code =" + err.code + ", message =" + err.message);
return;
}
console.info("Succeeded in getting preferences.");
})
} catch (err) {
console.info("Failed to get preferences. code =" + err.code + ", message =" + err.message);
console.info("Failed to get preferences. code =" + err.code + ", message =" + err.message);
}
```
......@@ -125,15 +123,15 @@ let context = featureAbility.getContext();
let preferences = null;
try{
let promise = data_preferences.getPreferences(context, 'mystore');
promise.then((object) => {
preferences = object;
console.info("Succeeded in getting preferences.");
let promise = data_preferences.getPreferences(context, 'mystore');
promise.then((object) => {
preferences = object;
console.info("Succeeded in getting preferences.");
}).catch((err) => {
console.log("Failed to get preferences. code =" + err.code + ", message =" + err.message);
console.log("Failed to get preferences. code =" + err.code + ", message =" + err.message);
})
} catch(err) {
console.log("Failed to get preferences. code =" + err.code + ", message =" + err.message);
console.log("Failed to get preferences. code =" + err.code + ", message =" + err.message);
}
```
......@@ -151,17 +149,16 @@ class MainAbility extends Ability{
let preferences = null;
try{
let promise = data_preferences.getPreferences(context, 'mystore');
promise.then((object) => {
preferences = object;
console.info("Succeeded in getting preferences.");
let promise = data_preferences.getPreferences(context, 'mystore');
promise.then((object) => {
preferences = object;
console.info("Succeeded in getting preferences.");
}).catch((err) => {
console.log("Failed to get preferences. code =" + err.code + ", message =" + err.message);
console.log("Failed to get preferences. code =" + err.code + ", message =" + err.message);
})
} catch(err) {
console.log("Failed to get preferences. code =" + err.code + ", message =" + err.message);
console.log("Failed to get preferences. code =" + err.code + ", message =" + err.message);
}
```
## data_preferences.deletePreferences
......@@ -203,11 +200,11 @@ let context = featureAbility.getContext();
try {
data_preferences.deletePreferences(context, 'mystore', function (err, val) {
if (err) {
if (err) {
console.info("Failed to delete preferences. code =" + err.code + ", message =" + err.message);
return;
}
console.info("Succeeded in deleting preferences." );
console.info("Succeeded in deleting preferences." );
})
} catch (err) {
console.info("Failed to delete preferences. code =" + err.code + ", message =" + err.message);
......@@ -228,11 +225,11 @@ class MainAbility extends Ability{
try {
data_preferences.deletePreferences(context, 'mystore', function (err, val) {
if (err) {
if (err) {
console.info("Failed to delete preferences. code =" + err.code + ", message =" + err.message);
return;
}
console.info("Succeeded in deleting preferences." );
console.info("Succeeded in deleting preferences." );
})
} catch (err) {
console.info("Failed to delete preferences. code =" + err.code + ", message =" + err.message);
......@@ -282,14 +279,14 @@ import featureAbility from '@ohos.ability.featureAbility';
let context = featureAbility.getContext();
try{
let promise = data_preferences.deletePreferences(context, 'mystore');
promise.then(() => {
console.info("Succeeded in deleting preferences.");
let promise = data_preferences.deletePreferences(context, 'mystore');
promise.then(() => {
console.info("Succeeded in deleting preferences.");
}).catch((err) => {
console.info("Failed to delete preferences. code =" + err.code + ", message =" + err.message);
})
} catch(err) {
console.info("Failed to delete preferences. code =" + err.code + ", message =" + err.message);
console.info("Failed to delete preferences. code =" + err.code + ", message =" + err.message);
}
```
......@@ -306,9 +303,9 @@ class MainAbility extends Ability{
}
try{
let promise = data_preferences.deletePreferences(context, 'mystore');
promise.then(() => {
console.info("Succeeded in deleting preferences.");
let promise = data_preferences.deletePreferences(context, 'mystore');
promise.then(() => {
console.info("Succeeded in deleting preferences.");
}).catch((err) => {
console.info("Failed to delete preferences. code =" + err.code + ", message =" + err.message);
})
......@@ -346,12 +343,13 @@ let context = featureAbility.getContext();
try {
data_preferences.removePreferencesFromCache(context, 'mystore', function (err, val) {
if (err) {
if (err) {
console.info("Failed to remove preferences. code =" + err.code + ", message =" + err.message);
return;
}
console.info("Succeeded in removing preferences.");
})
expect(true).assertEqual(val);
console.info("Succeeded in removing preferences.");
})
} catch (err) {
console.info("Failed to remove preferences. code =" + err.code + ", message =" + err.message);
}
......@@ -371,15 +369,17 @@ class MainAbility extends Ability{
try {
data_preferences.removePreferencesFromCache(context, 'mystore', function (err, val) {
if (err) {
if (err) {
console.info("Failed to remove preferences. code =" + err.code + ", message =" + err.message);
return;
}
console.info("Succeeded in removing preferences.");
})
expect(true).assertEqual(val);
console.info("Succeeded in removing preferences.");
})
} catch (err) {
console.info("Failed to remove preferences. code =" + err.code + ", message =" + err.message);
}
```
## data_preferences.removePreferencesFromCache
......@@ -482,10 +482,11 @@ try {
console.info("Failed to get value of 'startup'. code =" + err.code + ", message =" + err.message);
return;
}
console.info("Succeeded in getting value of 'startup'. val： " + val);
expect(true).assertEqual(val);
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);
console.info("Failed to get value of 'startup'. code =" + err.code + ", message =" + err.message);
}
```
......@@ -515,14 +516,14 @@ get(key: string, defValue: ValueType): Promise&lt;ValueType&gt;
```js
try{
let promise = preferences.get('startup', 'default');
promise.then((data) => {
console.info("Succeeded in getting value of 'startup'. Data: " + data);
let promise = preferences.get('startup', 'default');
promise.then((data) => {
console.info("Succeeded in getting value of 'startup'. Data: " + data);
}).catch((err) => {
console.info("Failed to get value of 'startup'. code =" + err.code + ", message =" + err.message);
console.info("Failed to get value of 'startup'. code =" + err.code + ", message =" + err.message);
})
} catch(err) {
console.info("Failed to get value of 'startup'. code =" + err.code + ", message =" + err.message);
console.info("Failed to get value of 'startup'. code =" + err.code + ", message =" + err.message);
}
```
......@@ -555,7 +556,7 @@ try {
})
} catch (err) {
console.info("Failed to get all key-values. code =" + err.code + ", message =" + err.message);
};
}
```
......@@ -577,8 +578,8 @@ getAll(): Promise&lt;Object&gt;
```js
try {
let promise = preferences.getAll();
promise.then((value) => {
let promise = preferences.getAll();
promise.then((value) => {
let allKeys = Object.keys(value);
console.info('getAll keys = ' + allKeys);
console.info("getAll object = " + JSON.stringify(value));
......@@ -649,7 +650,7 @@ put(key: string, value: ValueType): Promise&lt;void&gt;
```js
try{
let promise = preferences.put('startup', 'auto');
promise.then(() => {
promise.then(() => {
console.info("Succeeded in putting value of 'startup'.");
}).catch((err) => {
console.info("Failed to put value of 'startup'. code =" + err.code +", message =" + err.message);
......@@ -678,18 +679,18 @@ has(key: string, callback: AsyncCallback&lt;boolean&gt;): void
**示例：**
```js
try{
preferences.has('startup', function (err, val) {
if (err) {
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.");
}
})
try{
preferences.has('startup', function (err, val) {
if (err) {
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.");
}
})
} catch (err) {
console.info("Failed to check the key 'startup'. code =" + err.code + ", message =" + err.message);
}
......@@ -719,21 +720,20 @@ has(key: string): Promise&lt;boolean&gt;
**示例：**
```js
try{
let promise = preferences.has('startup');
promise.then((val) => {
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) => {
}).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);
}
```
......@@ -793,7 +793,7 @@ delete(key: string): Promise&lt;void&gt;
```js
try{
let promise = preferences.delete('startup');
let promise = preferences.delete('startup');
promise.then(() => {
console.info("Succeeded in deleting the key 'startup'.");
}).catch((err) => {
......@@ -855,7 +855,7 @@ flush(): Promise&lt;void&gt;
```js
try {
let promise = preferences.flush();
promise.then(() => {
promise.then(() => {
console.info("Succeeded in flushing.");
}).catch((err) => {
console.info("Failed to flush. code =" + err.code + ", message =" + err.message);
......@@ -915,7 +915,7 @@ clear(): Promise&lt;void&gt;
```js
try{
let promise = preferences.clear()
let promise = preferences.clear()
promise.then(() => {
console.info("Succeeded in clearing.");
}).catch((err) => {
......@@ -946,34 +946,34 @@ on(type: 'change', callback: Callback&lt;{ key : string }&gt;): void
```js
try {
data_preferences.getPreferences(this.context, 'mystore', function (err, preferences) {
if (err) {
console.info("Failed to get preferences.");
return;
}
let observer = function (key) {
console.info("The key " + key + " changed.");
}
preferences.on('change', observer);
preferences.put('startup', 'manual', function (err) {
if (err) {
console.info("Failed to put the value of 'startup'. Cause: " + err);
return;
}
console.info("Succeeded in putting the value of 'startup'.");
preferences.flush(function (err) {
data_preferences.getPreferences(this.context, 'mystore', function (err, preferences) {
if (err) {
console.info("Failed to flush. Cause: " + err);
console.info("Failed to get preferences.");
return;
}
console.info("Succeeded in flushing."); // observer will be called.
let observer = function (key) {
console.info("The key " + key + " changed.");
}
preferences.on('change', observer);
preferences.put('startup', 'manual', function (err) {
if (err) {
console.info("Failed to put the value of 'startup'. Cause: " + err);
return;
}
console.info("Succeeded in putting the value of 'startup'.");
preferences.flush(function (err) {
if (err) {
console.info("Failed to flush. Cause: " + err);
return;
}
console.info("Succeeded in flushing."); // observer will be called.
})
})
})
})
})
} catch (error) {
console.info("Failed to flush. code =" + err.code + ", message =" + err.message);
}
} catch (err) {
console.info("Failed to flush. code =" + err.code + ", message =" + err.message);
}
```
......@@ -996,34 +996,34 @@ off(type: 'change', callback?: Callback&lt;{ key : string }&gt;): void
```js
try {
data_preferences.getPreferences(this.context, 'mystore', function (err, preferences) {
if (err) {
console.info("Failed to get preferences.");
return;
}
let observer = function (key) {
console.info("The key " + key + " changed.");
}
preferences.on('change', observer);
preferences.put('startup', 'auto', function (err) {
data_preferences.getPreferences(this.context, 'mystore', function (err, preferences) {
if (err) {
console.info("Failed to put the value of 'startup'. Cause: " + err);
console.info("Failed to get preferences.");
return;
}
console.info("Succeeded in putting the value of 'startup'.");
preferences.flush(function (err) {
let observer = function (key) {
console.info("The key " + key + " changed.");
}
preferences.on('change', observer);
preferences.put('startup', 'auto', function (err) {
if (err) {
console.info("Failed to flush. Cause: " + err);
console.info("Failed to put the value of 'startup'. Cause: " + err);
return;
}
console.info("Succeeded in flushing."); // observer will be called.
console.info("Succeeded in putting the value of 'startup'.");
preferences.flush(function (err) {
if (err) {
console.info("Failed to flush. Cause: " + err);
return;
}
console.info("Succeeded in flushing."); // observer will be called.
})
preferences.off('change', observer);
})
preferences.off('change', observer);
})
})
} catch (error) {
console.info("Failed to flush. code =" + err.code + ", message =" + err.message);}
} catch (err) {
console.info("Failed to flush. code =" + err.code + ", message =" + err.message);}
```
## ValueType
......
zh-cn/application-dev/reference/errorcodes/errorcode-preferences.md
浏览文件 @ 93041aad
......@@ -8,7 +8,9 @@ Failed to delete preferences.
删除首选项失败。
**可能原因**<br>
系统错误导致文件删除失败。
系统错误导致文件删除失败，可能原因如下：
1. 要删除的文件不存在。
2. 没有操作权限。
**处理步骤**<br>
重启设备后再次尝试。
\ No newline at end of file
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