From 93041aadf69cfe1ae4108645d6275167b39e7cf2 Mon Sep 17 00:00:00 2001 From: duanweiling Date: Wed, 26 Oct 2022 14:35:03 +0800 Subject: [PATCH] =?UTF-8?q?=E5=A2=9E=E5=8A=A0=E9=A6=96=E9=80=89=E9=A1=B9?= =?UTF-8?q?=E9=94=99=E8=AF=AF=E7=A0=81=E6=96=87=E6=A1=A3?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: duanweiling --- .../apis/js-apis-data-preferences.md | 254 +++++++++--------- .../errorcodes/errorcode-preferences.md | 4 +- 2 files changed, 130 insertions(+), 128 deletions(-) diff --git a/zh-cn/application-dev/reference/apis/js-apis-data-preferences.md b/zh-cn/application-dev/reference/apis/js-apis-data-preferences.md index 7733289141..741aa62b16 100644 --- a/zh-cn/application-dev/reference/apis/js-apis-data-preferences.md +++ b/zh-cn/application-dev/reference/apis/js-apis-data-preferences.md @@ -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<ValueType> ```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<Object> ```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<void> ```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<boolean>): 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<boolean> **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<void> ```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<void> ```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<void> ```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<{ key : string }>): 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<{ key : string }>): 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 diff --git a/zh-cn/application-dev/reference/errorcodes/errorcode-preferences.md b/zh-cn/application-dev/reference/errorcodes/errorcode-preferences.md index 09fc0c9a39..bb7664033a 100644 --- a/zh-cn/application-dev/reference/errorcodes/errorcode-preferences.md +++ b/zh-cn/application-dev/reference/errorcodes/errorcode-preferences.md @@ -8,7 +8,9 @@ Failed to delete preferences. 删除首选项失败。 **可能原因**
-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**
重启设备后再次尝试。 \ No newline at end of file -- GitLab