From 2cc0a969629d4d45efe798c602b3f09b5f9a588a Mon Sep 17 00:00:00 2001 From: changjiaxing Date: Mon, 31 Jul 2023 15:16:16 +0800 Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D=E7=BC=96=E8=AF=91=E9=94=99?= =?UTF-8?q?=E8=AF=AF?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: changjiaxing Change-Id: Ifbd6bc715eec735b18e0c0ebcf7b1911b9c5735c --- .../apis/js-apis-data-preferences.md | 175 +++++++++--------- 1 file changed, 87 insertions(+), 88 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 3abb21b2c1..93b15ec6e6 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 @@ -55,12 +55,12 @@ 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 = val; - console.info("Succeeded in getting preferences."); - }) + console.info("Failed to get preferences. code =" + err.code + ", message =" + err.message); + return; + } + preferences = val; + console.info("Succeeded in getting preferences."); + }) } catch (err) { console.info("Failed to get preferences. code =" + err.code + ", message =" + err.message); } @@ -195,14 +195,14 @@ let context = featureAbility.getContext(); let preferences = null; try { - data_preferences.getPreferences(context, {name: 'mystore'}, function (err, val) { + data_preferences.getPreferences(context, { name: 'mystore' }, function (err, val) { if (err) { - console.info("Failed to get preferences. code =" + err.code + ", message =" + err.message); - return; - } - preferences = val; - console.info("Succeeded in getting preferences."); - }) + console.info("Failed to get preferences. code =" + err.code + ", message =" + err.message); + return; + } + preferences = val; + console.info("Succeeded in getting preferences."); + }) } catch (err) { console.info("Failed to get preferences. code =" + err.code + ", message =" + err.message); } @@ -219,7 +219,7 @@ let preferences = null; class EntryAbility extends UIAbility { onWindowStageCreate(windowStage) { try { - data_preferences.getPreferences(this.context, {name: 'mystore', dataGroupId:'myId'}, function (err, val) { + data_preferences.getPreferences(this.context, { name: 'mystore', dataGroupId:'myId' }, function (err, val) { if (err) { console.info("Failed to get preferences. code =" + err.code + ", message =" + err.message); return; @@ -275,7 +275,7 @@ let context = featureAbility.getContext(); let preferences = null; try { - let promise = data_preferences.getPreferences(context, {name: 'mystore'}); + let promise = data_preferences.getPreferences(context, { name: 'mystore' }); promise.then((object) => { preferences = object; console.info("Succeeded in getting preferences."); @@ -297,7 +297,7 @@ let preferences = null; class EntryAbility extends UIAbility { onWindowStageCreate(windowStage) { try { - let promise = data_preferences.getPreferences(this.context, {name: 'mystore', dataGroupId:'myId'}); + let promise = data_preferences.getPreferences(this.context, { name: 'mystore', dataGroupId:'myId' }); promise.then((object) => { preferences = object; console.info("Succeeded in getting preferences."); @@ -493,7 +493,7 @@ import featureAbility from '@ohos.ability.featureAbility'; let context = featureAbility.getContext(); try { - data_preferences.deletePreferences(context, {name: 'mystore'}, function (err) { + data_preferences.deletePreferences(context, { name: 'mystore' }, function (err) { if (err) { console.info("Failed to delete preferences. code =" + err.code + ", message =" + err.message); return; @@ -513,7 +513,7 @@ import UIAbility from '@ohos.app.ability.UIAbility'; class EntryAbility extends UIAbility { onWindowStageCreate(windowStage) { try { - data_preferences.deletePreferences(this.context, {name: 'mystore', dataGroupId:'myId'}, function (err) { + data_preferences.deletePreferences(this.context, { name: 'mystore', dataGroupId:'myId' }, function (err) { if (err) { console.info("Failed to delete preferences. code =" + err.code + ", message =" + err.message); return; @@ -571,7 +571,7 @@ import featureAbility from '@ohos.ability.featureAbility'; let context = featureAbility.getContext(); try { - let promise = data_preferences.deletePreferences(context, {name: 'mystore'}); + let promise = data_preferences.deletePreferences(context, { name: 'mystore' }); promise.then(() => { console.info("Succeeded in deleting preferences."); }).catch((err) => { @@ -590,7 +590,7 @@ import UIAbility from '@ohos.app.ability.UIAbility'; class EntryAbility extends UIAbility { onWindowStageCreate(windowStage) { try{ - let promise = data_preferences.deletePreferences(this.context, {name: 'mystore', dataGroupId:'myId'}); + let promise = data_preferences.deletePreferences(this.context, { name: 'mystore', dataGroupId:'myId' }); promise.then(() => { console.info("Succeeded in deleting preferences."); }).catch((err) => { @@ -702,8 +702,8 @@ import featureAbility from '@ohos.ability.featureAbility'; let context = featureAbility.getContext(); try { let promise = data_preferences.removePreferencesFromCache(context, 'mystore'); - promise.then(() => { - console.info("Succeeded in removing preferences."); + promise.then(() => { + console.info("Succeeded in removing preferences."); }).catch((err) => { console.info("Failed to remove preferences. code =" + err.code + ", message =" + err.message); }) @@ -821,7 +821,7 @@ FA模型示例： import featureAbility from '@ohos.ability.featureAbility'; let context = featureAbility.getContext(); try { - data_preferences.removePreferencesFromCache(context, {name: 'mystore'}, function (err) { + data_preferences.removePreferencesFromCache(context, { name: 'mystore' }, function (err) { if (err) { console.info("Failed to remove preferences. code =" + err.code + ", message =" + err.message); return; @@ -841,7 +841,7 @@ import UIAbility from '@ohos.app.ability.UIAbility'; class EntryAbility extends UIAbility { onWindowStageCreate(windowStage) { try { - data_preferences.removePreferencesFromCache(this.context, {name: 'mystore', dataGroupId:'myId'}, function (err) { + data_preferences.removePreferencesFromCache(this.context, { name: 'mystore', dataGroupId:'myId' }, function (err) { if (err) { console.info("Failed to remove preferences. code =" + err.code + ", message =" + err.message); return; @@ -898,9 +898,9 @@ FA模型示例： import featureAbility from '@ohos.ability.featureAbility'; let context = featureAbility.getContext(); try { - let promise = data_preferences.removePreferencesFromCache(context, {name: 'mystore'}); - promise.then(() => { - console.info("Succeeded in removing preferences."); + let promise = data_preferences.removePreferencesFromCache(context, { name: 'mystore' }); + promise.then(() => { + console.info("Succeeded in removing preferences."); }).catch((err) => { console.info("Failed to remove preferences. code =" + err.code + ", message =" + err.message); }) @@ -917,7 +917,7 @@ import UIAbility from '@ohos.app.ability.UIAbility'; class EntryAbility extends UIAbility { onWindowStageCreate(windowStage) { try { - let promise = data_preferences.removePreferencesFromCache(this.context, {name: 'mystore', dataGroupId:'myId'}); + let promise = data_preferences.removePreferencesFromCache(this.context, { name: 'mystore', dataGroupId:'myId' }); promise.then(() => { console.info("Succeeded in removing preferences."); }).catch((err) => { @@ -1405,7 +1405,7 @@ delete(key: string): Promise<void> ```js try { let promise = preferences.delete('startup'); - promise.then(() => { + promise.then(() => { console.info("Succeeded in deleting the key 'startup'."); }).catch((err) => { console.info("Failed to delete the key 'startup'. code =" + err.code +", message =" + err.message); @@ -1520,7 +1520,7 @@ clear(callback: AsyncCallback<void>): void ```js try { - preferences.clear(function (err) { + preferences.clear(function (err) { if (err) { console.info("Failed to clear. code =" + err.code + ", message =" + err.message); return; @@ -1552,8 +1552,8 @@ clear(): Promise<void> ```js try { let promise = preferences.clear(); - promise.then(() => { - console.info("Succeeded in clearing."); + promise.then(() => { + console.info("Succeeded in clearing."); }).catch((err) => { console.info("Failed to clear. code =" + err.code + ", message =" + err.message); }) @@ -1601,33 +1601,33 @@ 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) { - if (err) { - console.info("Failed to flush. Cause: " + err); - return; - } - console.info("Succeeded in flushing."); - }) - }) - }) + 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) { + if (err) { + console.info("Failed to flush. Cause: " + err); + return; + } + console.info("Succeeded in flushing."); + }) + }) + }) } catch (err) { - console.info("Failed to flush. code =" + err.code + ", message =" + err.message); + console.info("Failed to flush. code =" + err.code + ", message =" + err.message); } ``` @@ -1660,40 +1660,39 @@ on(type: 'multiProcessChange', callback: Callback<{ key : string }>): void ```js try { - data_preferences.getPreferences(this.context, {name: 'mystore', dataGroupId:'myId'}, function (err, preferences) { - if (err) { - console.info("Failed to get preferences."); - return; - } - let observer = function (key) { - console.info("The key " + key + " changed."); - } - preferences.on('multiProcessChange', 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."); - }) - }) - }) + data_preferences.getPreferences(this.context, { name: 'mystore', dataGroupId:'myId' }, function (err, preferences) { + if (err) { + console.info("Failed to get preferences."); + return; + } + let observer = function (key) { + console.info("The key " + key + " changed."); + } + preferences.on('multiProcessChange', 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."); + }) + }) + }) } catch (err) { - console.info("Failed to flush. code =" + err.code + ", message =" + err.message); + console.info("Failed to flush. code =" + err.code + ", message =" + err.message); } ``` **示例2：** ```js -let preferences = null; try { data_preferences.getPreferences(this.context, { name: 'mystore' }, function (err, val) { if (err) { @@ -1704,7 +1703,7 @@ try { let observer = function (key) { console.info("The key " + key + " changed."); try { - data_preferences.removePreferencesFromCache(context, { name: 'mystore' }, function (err) { + data_preferences.removePreferencesFromCache(this.context, { name: 'mystore' }, function (err) { if (err) { console.info("Failed to remove preferences. code =" + err.code + ", message =" + err.message); return; @@ -1717,7 +1716,7 @@ try { } try { - data_preferences.getPreferences(context, { name: 'mystore' }, function (err, val) { + data_preferences.getPreferences(this.context, { name: 'mystore' }, function (err, val) { if (err) { console.info("Failed to get preferences. code =" + err.code + ", message =" + err.message); return; @@ -1820,7 +1819,7 @@ off(type: 'multiProcessChange', callback?: Callback<{ key : string }>): vo ```js try { - data_preferences.getPreferences(this.context, {name: 'mystore', dataGroupId:'myId'}, function (err, preferences) { + data_preferences.getPreferences(this.context, { name: 'mystore', dataGroupId:'myId' }, function (err, preferences) { if (err) { console.info("Failed to get preferences."); return; -- GitLab