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 2bf2887ae5731418195485fa4532589498aa6281..62cd1b1c236a93769b62c1b14ad20451ed1e1fde 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
@@ -311,7 +311,6 @@ class EntryAbility extends UIAbility {
}
```
-
## data_preferences.deletePreferences
deletePreferences(context: Context, name: string, callback: AsyncCallback<void>): void
@@ -733,56 +732,6 @@ class EntryAbility extends UIAbility {
}
```
-## data_preferences.removePreferencesFromCacheSync10+
-
-removePreferencesFromCacheSync(context: Context, name: string): void
-
-从缓存中移出指定的Preferences实例,此为同步接口。
-
-应用首次调用[getPreferences](#data_preferencesgetpreferences)接口获取某个Preferences实例后,该实例会被会被缓存起来,后续再次[getPreferences](#data_preferencesgetpreferences)时不会再次从持久化文件中读取,直接从缓存中获取Preferences实例。调用此接口移出缓存中的实例之后,再次getPreferences将会重新读取持久化文件,生成新的Preferences实例。
-
-调用该接口后,不建议再使用旧的Preferences实例进行数据操作,否则会出现数据一致性问题,应将Preferences实例置为null,系统将会统一回收。
-
-**系统能力:** SystemCapability.DistributedDataManager.Preferences.Core
-
-**参数:**
-
-| 参数名 | 类型 | 必填 | 说明 |
-| ------- | ------------------------------------- | ---- | ----------------------- |
-| context | Context | 是 | 应用上下文。
FA模型的应用Context定义见[Context](js-apis-inner-app-context.md)。
Stage模型的应用Context定义见[Context](js-apis-inner-application-uiAbilityContext.md)。 |
-| name | string | 是 | Preferences实例的名称。 |
-
-**示例:**
-
-FA模型示例:
-
-```js
-// 获取context
-import featureAbility from '@ohos.ability.featureAbility';
-let context = featureAbility.getContext();
-try {
- data_preferences.removePreferencesFromCacheSync(context, 'mystore');
-} catch(err) {
- console.error("Failed to remove preferences. code =" + err.code + ", message =" + err.message);
-}
-```
-
-Stage模型示例:
-
-```ts
-import UIAbility from '@ohos.app.ability.UIAbility';
-
-class EntryAbility extends UIAbility {
- onWindowStageCreate(windowStage) {
- try {
- data_preferences.removePreferencesFromCacheSync(this.context, 'mystore');
- } catch(err) {
- console.error("Failed to remove preferences. code =" + err.code + ", message =" + err.message);
- }
- }
-}
-```
-
## data_preferences.removePreferencesFromCache10+
removePreferencesFromCache(context: Context, options: Options, callback: AsyncCallback<void>): void
@@ -930,6 +879,65 @@ class EntryAbility extends UIAbility {
}
```
+## data_preferences.removePreferencesFromCacheSync10+
+
+removePreferencesFromCacheSync(context: Context, options: Options):void
+
+从缓存中移出指定的Preferences实例,此为同步接口。
+
+应用首次调用[getPreferences](#data_preferencesgetpreferences)接口获取某个Preferences实例后,该实例会被会被缓存起来,后续再次[getPreferences](#data_preferencesgetpreferences)时不会再次从持久化文件中读取,直接从缓存中获取Preferences实例。调用此接口移出缓存中的实例之后,再次getPreferences将会重新读取持久化文件,生成新的Preferences实例。
+
+调用该接口后,不建议再使用旧的Preferences实例进行数据操作,否则会出现数据一致性问题,应将Preferences实例置为null,系统将会统一回收。
+
+**系统能力:** SystemCapability.DistributedDataManager.Preferences.Core
+
+**参数:**
+
+| 参数名 | 类型 | 必填 | 说明 |
+| ------- | --------------------- | ---- | ------------------------------------------------------------ |
+| context | Context | 是 | 应用上下文。
FA模型的应用Context定义见[Context](js-apis-inner-app-context.md)。
Stage模型的应用Context定义见[Context](js-apis-inner-application-uiAbilityContext.md)。 |
+| options | [Options](#options10) | 是 | 与Preferences实例相关的配置选项。 |
+
+**错误码:**
+
+以下错误码的详细介绍请参见[用户首选项错误码](../errorcodes/errorcode-preferences.md)。
+
+| 错误码ID | 错误信息 |
+| -------- | ------------------------------- |
+| 15501001 | Only supported in stage mode. |
+| 15501002 | The data group id is not valid. |
+
+**示例:**
+
+FA模型示例:
+
+```js
+// 获取context
+import featureAbility from '@ohos.ability.featureAbility';
+let context = featureAbility.getContext();
+try {
+ data_preferences.removePreferencesFromCacheSync(context, { name: 'mystore' });
+} catch(err) {
+ console.error("Failed to remove preferences. code =" + err.code + ", message =" + err.message);
+}
+```
+
+Stage模型示例:
+
+```ts
+import UIAbility from '@ohos.app.ability.UIAbility';
+
+class EntryAbility extends UIAbility {
+ onWindowStageCreate(windowStage) {
+ try {
+ data_preferences.removePreferencesFromCacheSync(this.context, { name: 'mystore', dataGroupId:'myId' });
+ } catch(err) {
+ console.error("Failed to remove preferences. code =" + err.code + ", message =" + err.message);
+ }
+ }
+}
+```
+
## Options10+
Preferences实例配置选项。
diff --git a/zh-cn/application-dev/reference/apis/js-apis-data-rdb.md b/zh-cn/application-dev/reference/apis/js-apis-data-rdb.md
index 5463cec6921c5d2e46e313f8b20f90a5c7e473c8..910b37c0a0e4db3b7307714ad5d6bb5dcfd46f73 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-data-rdb.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-data-rdb.md
@@ -18,6 +18,8 @@
```js
import data_rdb from '@ohos.data.rdb';
+import { BusinessError } from "@ohos.base"
+import window from '@ohos.window';
```
## data_rdb.getRdbStore
@@ -43,11 +45,11 @@ FA模型示例:
```js
// 获取context
import featureAbility from '@ohos.ability.featureAbility'
-let context = featureAbility.getContext()
+let context: Context;
// 获取context后调用getRdbStore
const STORE_CONFIG = { name: "RdbTest.db"}
-data_rdb.getRdbStore(context, STORE_CONFIG, 1, function (err, rdbStore) {
+data_rdb.getRdbStore(context, STORE_CONFIG, 1, (err, rdbStore) => {
if (err) {
console.info("Get RdbStore failed, err: " + err)
return
@@ -62,22 +64,23 @@ Stage模型示例:
// 获取context
import UIAbility from '@ohos.app.ability.UIAbility';
-let context;
-class EntryAbility extends UIAbility {
- onWindowStageCreate(windowStage){
- context = this.context
- }
+let context: Context;
+interface storeConfig {
+ name: string
}
-// 获取context后调用getRdbStore
-const STORE_CONFIG = { name: "RdbTest.db"}
-data_rdb.getRdbStore(context, STORE_CONFIG, 1, function (err, rdbStore) {
- if (err) {
+class EntryAbility extends UIAbility {
+ onWindowStageCreate(windowStage: window.WindowStage){
+ let STORE_CONFIG: storeConfig = { name: "RdbTest.db"};
+ data_rdb.getRdbStore(this.context, STORE_CONFIG, 1, (err: BusinessError, rdbStore: data_rdb.RdbStore) => {
+ if (err) {
console.info("Get RdbStore failed, err: " + err)
return
- }
- console.log("Get RdbStore successfully.")
-})
+ }
+ console.log("Get RdbStore successfully.")
+ })
+ }
+}
```
## data_rdb.getRdbStore
@@ -109,7 +112,7 @@ FA模型示例:
```js
// 获取context
import featureAbility from '@ohos.ability.featureAbility'
-let context = featureAbility.getContext()
+let context: Context;
// 获取context后调用getRdbStore
const STORE_CONFIG = { name: "RdbTest.db" }
@@ -127,20 +130,23 @@ Stage模型示例:
// 获取context
import UIAbility from '@ohos.app.ability.UIAbility';
-let context;
+let context: Context;
+interface storeConfig {
+ name: string
+}
class EntryAbility extends UIAbility {
- onWindowStageCreate(windowStage){
- context = this.context
- }
+ onWindowStageCreate(windowStage: window.WindowStage){
+ context = this.context
+ }
}
// 获取context后调用getRdbStore
-const STORE_CONFIG = { name: "RdbTest.db" }
+let STORE_CONFIG: storeConfig = { name: "RdbTest.db"};
let promise = data_rdb.getRdbStore(context, STORE_CONFIG, 1);
-promise.then(async (rdbStore) => {
- console.log("Get RdbStore successfully.")
-}).catch((err) => {
- console.log("Get RdbStore failed, err: " + err)
+promise.then(async (rdbStore: data_rdb.RdbStore) => {
+ console.log("Get RdbStore successfully.")
+}).catch((err: BusinessError) => {
+ console.log("Get RdbStore failed, err: " + err)
})
```
@@ -167,15 +173,15 @@ FA模型示例:
```js
// 获取context
import featureAbility from '@ohos.ability.featureAbility'
-let context = featureAbility.getContext()
+let context: Context;
// 获取context后调用deleteRdbStore
-data_rdb.deleteRdbStore(context, "RdbTest.db", function (err) {
- if (err) {
- console.info("Delete RdbStore failed, err: " + err)
- return
- }
- console.log("Delete RdbStore successfully.")
+data_rdb.deleteRdbStore(context, "RdbTest.db", (err) => {
+ if (err) {
+ console.info("Delete RdbStore failed, err: " + err)
+ return
+ }
+ console.log("Delete RdbStore successfully.")
})
```
@@ -185,20 +191,20 @@ Stage模型示例:
// 获取context
import UIAbility from '@ohos.app.ability.UIAbility';
-let context;
+let context: Context;
class EntryAbility extends UIAbility {
- onWindowStageCreate(windowStage){
- context = this.context
- }
+ onWindowStageCreate(windowStage: window.WindowStage){
+ context = this.context
+ }
}
// 获取context后调用deleteRdbStore
-data_rdb.deleteRdbStore(context, "RdbTest.db", function (err) {
- if (err) {
- console.info("Delete RdbStore failed, err: " + err)
- return
- }
- console.log("Delete RdbStore successfully.")
+data_rdb.deleteRdbStore(context, "RdbTest.db", (err) => {
+ if (err) {
+ console.info("Delete RdbStore failed, err: " + err)
+ return
+ }
+ console.log("Delete RdbStore successfully.")
})
```
@@ -230,7 +236,7 @@ FA模型示例:
```js
// 获取context
import featureAbility from '@ohos.ability.featureAbility'
-let context = featureAbility.getContext()
+let context: Context;
// 获取context后调用deleteRdbStore
let promise = data_rdb.deleteRdbStore(context, "RdbTest.db")
@@ -247,19 +253,19 @@ Stage模型示例:
// 获取context
import UIAbility from '@ohos.app.ability.UIAbility';
-let context;
+let context: Context;
class EntryAbility extends UIAbility {
- onWindowStageCreate(windowStage){
- context = this.context
- }
+ onWindowStageCreate(windowStage: window.WindowStage){
+ context = this.context
+ }
}
// 获取context后调用deleteRdbStore
let promise = data_rdb.deleteRdbStore(context, "RdbTest.db")
promise.then(()=>{
- console.log("Delete RdbStore successfully.")
-}).catch((err) => {
- console.info("Delete RdbStore failed, err: " + err)
+ console.log("Delete RdbStore successfully.")
+}).catch((err: BusinessError) => {
+ console.info("Delete RdbStore failed, err: " + err)
})
```
@@ -371,8 +377,8 @@ inDevices(devices: Array<string>): RdbPredicates
```js
import deviceManager from '@ohos.distributedHardware.deviceManager';
-let dmInstance = null;
-let deviceIds = [];
+let dmInstance: deviceManager.DeviceManager = null;
+let deviceIds: Array = [];
deviceManager.createDeviceManager("com.example.appdatamgrverify", (err, manager) => {
if (err) {
@@ -381,7 +387,7 @@ deviceManager.createDeviceManager("com.example.appdatamgrverify", (err, manager)
}
dmInstance = manager;
let devices = dmInstance.getTrustedDeviceListSync();
- for (var i = 0; i < devices.length; i++) {
+ for (let i = 0; i < devices.length; i++) {
deviceIds[i] = devices[i].deviceId;
}
})
diff --git a/zh-cn/application-dev/reference/apis/js-apis-data-relationalStore.md b/zh-cn/application-dev/reference/apis/js-apis-data-relationalStore.md
index d62d1421e0b3ede4e891a4c9485cf36ebefb20bc..c4d6bc6c9b470c92598a633749a8cf633a7a2820 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-data-relationalStore.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-data-relationalStore.md
@@ -16,6 +16,10 @@
```js
import relationalStore from '@ohos.data.relationalStore'
+import window from '@ohos.window';
+import deviceManager from '@ohos.distributedHardware.deviceManager';
+import { ValuesBucket } from '@ohos.data.ValuesBucket';
+import { BusinessError } from "@ohos.base"
```
## relationalStore.getRdbStore
@@ -54,17 +58,17 @@ FA模型示例:
import featureAbility from '@ohos.ability.featureAbility'
-var store;
+let store: relationalStore.RdbStore;
// 获取context
let context = featureAbility.getContext();
-const STORE_CONFIG = {
+const STORE_CONFIG: relationalStore.StoreConfig = {
name: "RdbTest.db",
securityLevel: relationalStore.SecurityLevel.S1
};
-relationalStore.getRdbStore(context, STORE_CONFIG, function (err, rdbStore) {
+relationalStore.getRdbStore(this.context, STORE_CONFIG, (err: BusinessError, rdbStore: relationalStore.RdbStore) => {
store = rdbStore;
if (err) {
console.error(`Get RdbStore failed, code is ${err.code},message is ${err.message}`);
@@ -80,14 +84,14 @@ Stage模型示例:
import UIAbility from '@ohos.app.ability.UIAbility'
class EntryAbility extends UIAbility {
- onWindowStageCreate(windowStage) {
- var store;
- const STORE_CONFIG = {
+ onWindowStageCreate(windowStage: window.WindowStage) {
+ let store: relationalStore.RdbStore;
+ const STORE_CONFIG: relationalStore.StoreConfig = {
name: "RdbTest.db",
securityLevel: relationalStore.SecurityLevel.S1
};
- relationalStore.getRdbStore(this.context, STORE_CONFIG, function (err, rdbStore) {
+ relationalStore.getRdbStore(this.context, STORE_CONFIG, (err: BusinessError, rdbStore: relationalStore.RdbStore) => {
store = rdbStore;
if (err) {
console.error(`Get RdbStore failed, code is ${err.code},message is ${err.message}`);
@@ -139,21 +143,21 @@ FA模型示例:
```js
import featureAbility from '@ohos.ability.featureAbility'
-var store;
+let store: relationalStore.RdbStore;
// 获取context
let context = featureAbility.getContext();
-const STORE_CONFIG = {
+const STORE_CONFIG: relationalStore.StoreConfig = {
name: "RdbTest.db",
securityLevel: relationalStore.SecurityLevel.S1
};
-let promise = relationalStore.getRdbStore(context, STORE_CONFIG);
-promise.then(async (rdbStore) => {
+let promise = relationalStore.getRdbStore(this.context, STORE_CONFIG);
+promise.then(async (rdbStore: relationalStore.RdbStore) => {
store = rdbStore;
- console.info(`Get RdbStore successfully.`);
-}).catch((err) => {
+ console.info(`Get RdbStore successfully.`)
+}).catch((err: BusinessError) => {
console.error(`Get RdbStore failed, code is ${err.code},message is ${err.message}`);
})
```
@@ -164,18 +168,18 @@ Stage模型示例:
import UIAbility from '@ohos.app.ability.UIAbility'
class EntryAbility extends UIAbility {
- onWindowStageCreate(windowStage) {
- var store;
- const STORE_CONFIG = {
+ onWindowStageCreate(windowStage: window.WindowStage) {
+ let store: relationalStore.RdbStore;
+ const STORE_CONFIG: relationalStore.StoreConfig = {
name: "RdbTest.db",
securityLevel: relationalStore.SecurityLevel.S1
};
-
+
let promise = relationalStore.getRdbStore(this.context, STORE_CONFIG);
- promise.then(async (rdbStore) => {
+ promise.then(async (rdbStore: relationalStore.RdbStore) => {
store = rdbStore;
console.info(`Get RdbStore successfully.`)
- }).catch((err) => {
+ }).catch((err: BusinessError) => {
console.error(`Get RdbStore failed, code is ${err.code},message is ${err.message}`);
})
}
@@ -216,12 +220,12 @@ FA模型示例:
```js
import featureAbility from '@ohos.ability.featureAbility'
-var store;
+let store: relationalStore.RdbStore;
// 获取context
let context = featureAbility.getContext()
-relationalStore.deleteRdbStore(context, "RdbTest.db", function (err) {
+relationalStore.deleteRdbStore(this.context, "RdbTest.db", (err: BusinessError) => {
if (err) {
console.error(`Delete RdbStore failed, code is ${err.code},message is ${err.message}`);
return;
@@ -236,11 +240,11 @@ Stage模型示例:
```ts
import UIAbility from '@ohos.app.ability.UIAbility'
-var store;
+let store: relationalStore.RdbStore;
class EntryAbility extends UIAbility {
- onWindowStageCreate(windowStage){
- relationalStore.deleteRdbStore(this.context, "RdbTest.db", function (err) {
+ onWindowStageCreate(windowStage: window.WindowStage){
+ relationalStore.deleteRdbStore(this.context, "RdbTest.db", (err: BusinessError) => {
if (err) {
console.error(`Delete RdbStore failed, code is ${err.code},message is ${err.message}`);
return;
@@ -291,16 +295,16 @@ FA模型示例:
```js
import featureAbility from '@ohos.ability.featureAbility'
-var store;
+let store: relationalStore.RdbStore;
// 获取context
let context = featureAbility.getContext();
-let promise = relationalStore.deleteRdbStore(context, "RdbTest.db");
+let promise = relationalStore.deleteRdbStore(this.context, "RdbTest.db");
promise.then(()=>{
store = null;
console.info(`Delete RdbStore successfully.`);
-}).catch((err) => {
+}).catch((err: BusinessError) => {
console.error(`Delete RdbStore failed, code is ${err.code},message is ${err.message}`);
})
```
@@ -310,15 +314,15 @@ Stage模型示例:
```ts
import UIAbility from '@ohos.app.ability.UIAbility'
-var store;
+let store: relationalStore.RdbStore;
class EntryAbility extends UIAbility {
- onWindowStageCreate(windowStage){
+ onWindowStageCreate(windowStage: window.WindowStage){
let promise = relationalStore.deleteRdbStore(this.context, "RdbTest.db");
promise.then(()=>{
store = null;
console.info(`Delete RdbStore successfully.`);
- }).catch((err) => {
+ }).catch((err: BusinessError) => {
console.error(`Delete RdbStore failed, code is ${err.code},message is ${err.message}`);
})
}
@@ -361,16 +365,16 @@ FA模型示例:
```js
import featureAbility from '@ohos.ability.featureAbility'
-var store;
+let store: relationalStore.RdbStore;
// 获取context
let context = featureAbility.getContext()
-const STORE_CONFIG = {
+const STORE_CONFIG: relationalStore.StoreConfig = {
name: "RdbTest.db",
securityLevel: relationalStore.SecurityLevel.S1
};
-relationalStore.deleteRdbStore(context, STORE_CONFIG, function (err) {
+relationalStore.deleteRdbStore(this.context, STORE_CONFIG, (err: BusinessError) => {
if (err) {
console.error(`Delete RdbStore failed, code is ${err.code},message is ${err.message}`);
return;
@@ -385,15 +389,15 @@ Stage模型示例:
```ts
import UIAbility from '@ohos.app.ability.UIAbility'
-var store;
+let store: relationalStore.RdbStore;
class EntryAbility extends UIAbility {
- onWindowStageCreate(windowStage){
- const STORE_CONFIG = {
+ onWindowStageCreate(windowStage: window.WindowStage){
+ const STORE_CONFIG: relationalStore.StoreConfig = {
name: "RdbTest.db",
securityLevel: relationalStore.SecurityLevel.S1
};
- relationalStore.deleteRdbStore(this.context, STORE_CONFIG, function (err) {
+ relationalStore.deleteRdbStore(this.context, STORE_CONFIG, (err: BusinessError) => {
if (err) {
console.error(`Delete RdbStore failed, code is ${err.code},message is ${err.message}`);
return;
@@ -446,20 +450,20 @@ FA模型示例:
```js
import featureAbility from '@ohos.ability.featureAbility'
-var store;
+let store: relationalStore.RdbStore;
// 获取context
let context = featureAbility.getContext();
-const STORE_CONFIG = {
+const STORE_CONFIG: relationalStore.StoreConfig = {
name: "RdbTest.db",
securityLevel: relationalStore.SecurityLevel.S1
};
-let promise = relationalStore.deleteRdbStore(context, STORE_CONFIG);
+let promise = relationalStore.deleteRdbStore(this.context, STORE_CONFIG);
promise.then(()=>{
store = null;
console.info(`Delete RdbStore successfully.`);
-}).catch((err) => {
+}).catch((err: BusinessError) => {
console.error(`Delete RdbStore failed, code is ${err.code},message is ${err.message}`);
})
```
@@ -469,11 +473,11 @@ Stage模型示例:
```ts
import UIAbility from '@ohos.app.ability.UIAbility'
-var store;
+let store: relationalStore.RdbStore;
class EntryAbility extends UIAbility {
- onWindowStageCreate(windowStage){
- const STORE_CONFIG = {
+ onWindowStageCreate(windowStage: window.WindowStage){
+ const STORE_CONFIG: relationalStore.StoreConfig = {
name: "RdbTest.db",
securityLevel: relationalStore.SecurityLevel.S1
};
@@ -481,7 +485,7 @@ class EntryAbility extends UIAbility {
promise.then(()=>{
store = null;
console.info(`Delete RdbStore successfully.`);
- }).catch((err) => {
+ }).catch((err: BusinessError) => {
console.error(`Delete RdbStore failed, code is ${err.code},message is ${err.message}`);
})
}
@@ -583,7 +587,8 @@ class EntryAbility extends UIAbility {
| 键类型 | 值类型 |
| ------ | ----------------------- |
-| string | [ValueType](#valuetype) |
+| number | 主键的类型可以是number |
+| string | 主键的类型可以是string。 |
## PRIKeyType10+
@@ -593,8 +598,7 @@ class EntryAbility extends UIAbility {
| 类型 | 说明 |
| ---------------- | ---------------------------------- |
-| number | 主键的类型可以是number |
-| string | 主键的类型可以是string。 |
+| number \| string | 主键的类型可以是number或者string。 |
## UTCTime10+
@@ -820,13 +824,13 @@ inDevices(devices: Array<string>): RdbPredicates
```js
import deviceManager from '@ohos.distributedDeviceManager';
-let dmInstance = null;
-let deviceIds = [];
+let dmInstance: deviceManager.DeviceManager = null;
+let deviceIds: Array = [];
try {
dmInstance = deviceManager.createDeviceManager("com.example.appdatamgrverify");
let devices = dmInstance.getAvailableDeviceListSync();
- for (var i = 0; i < devices.length; i++) {
+ for (let i = 0; i < devices.length; i++) {
deviceIds[i] = devices[i].networkId;
}
} catch (err) {
@@ -1640,6 +1644,7 @@ predicates.notIn("NAME", ["Lisa", "Rose"]);
**示例:**
```js
+let store: relationalStore.RdbStore;
// 设置数据库版本
store.version = 3;
// 获取数据库版本
@@ -1674,13 +1679,21 @@ insert(table: string, values: ValuesBucket, callback: AsyncCallback<number>
**示例:**
```js
-const valueBucket = {
- "NAME": "Lisa",
- "AGE": 18,
- "SALARY": 100.5,
- "CODES": new Uint8Array([1, 2, 3, 4, 5]),
+let key1 = "NAME";
+let key2 = "AGE";
+let key3 = "SALARY";
+let key4 = "CODES";
+let value1 = "Lisa";
+let value2 = 18;
+let value3 = 100.5;
+let value4 = new Uint8Array([1, 2, 3, 4, 5]);
+const valueBucket: ValuesBucket = {
+ key1: value1,
+ key2: value2,
+ key3: value3,
+ key4: value4,
};
-store.insert("EMPLOYEE", valueBucket, function (err, rowId) {
+store.insert("EMPLOYEE", valueBucket, (err, rowId) => {
if (err) {
console.error(`Insert is failed, code is ${err.code},message is ${err.message}`);
return;
@@ -1718,13 +1731,21 @@ insert(table: string, values: ValuesBucket, conflict: ConflictResolution, callb
**示例:**
```js
-const valueBucket = {
- "NAME": "Lisa",
- "AGE": 18,
- "SALARY": 100.5,
- "CODES": new Uint8Array([1, 2, 3, 4, 5]),
+let key1 = "NAME";
+let key2 = "AGE";
+let key3 = "SALARY";
+let key4 = "CODES";
+let value1 = "Lisa";
+let value2 = 18;
+let value3 = 100.5;
+let value4 = new Uint8Array([1, 2, 3, 4, 5]);
+const valueBucket: ValuesBucket = {
+ key1: value1,
+ key2: value2,
+ key3: value3,
+ key4: value4,
};
-store.insert("EMPLOYEE", valueBucket, relationalStore.ConflictResolution.ON_CONFLICT_REPLACE, function (err, rowId) {
+store.insert("EMPLOYEE", valueBucket, relationalStore.ConflictResolution.ON_CONFLICT_REPLACE, (err, rowId) => {
if (err) {
console.error(`Insert is failed, code is ${err.code},message is ${err.message}`);
return;
@@ -1766,16 +1787,24 @@ insert(table: string, values: ValuesBucket):Promise<number>
**示例:**
```js
-const valueBucket = {
- "NAME": "Lisa",
- "AGE": 18,
- "SALARY": 100.5,
- "CODES": new Uint8Array([1, 2, 3, 4, 5]),
+let key1 = "NAME";
+let key2 = "AGE";
+let key3 = "SALARY";
+let key4 = "CODES";
+let value1 = "Lisa";
+let value2 = 18;
+let value3 = 100.5;
+let value4 = new Uint8Array([1, 2, 3, 4, 5]);
+const valueBucket: ValuesBucket = {
+ key1: value1,
+ key2: value2,
+ key3: value3,
+ key4: value4,
};
let promise = store.insert("EMPLOYEE", valueBucket);
-promise.then((rowId) => {
+promise.then((rowId: number) => {
console.info(`Insert is successful, rowId = ${rowId}`);
-}).catch((err) => {
+}).catch((err: BusinessError) => {
console.error(`Insert is failed, code is ${err.code},message is ${err.message}`);
})
```
@@ -1814,16 +1843,24 @@ insert(table: string, values: ValuesBucket, conflict: ConflictResolution):Promi
**示例:**
```js
-const valueBucket = {
- "NAME": "Lisa",
- "AGE": 18,
- "SALARY": 100.5,
- "CODES": new Uint8Array([1, 2, 3, 4, 5]),
+let key1 = "NAME";
+let key2 = "AGE";
+let key3 = "SALARY";
+let key4 = "CODES";
+let value1 = "Lisa";
+let value2 = 18;
+let value3 = 100.5;
+let value4 = new Uint8Array([1, 2, 3, 4, 5]);
+const valueBucket: ValuesBucket = {
+ key1: value1,
+ key2: value2,
+ key3: value3,
+ key4: value4,
};
let promise = store.insert("EMPLOYEE", valueBucket, relationalStore.ConflictResolution.ON_CONFLICT_REPLACE);
-promise.then((rowId) => {
+promise.then((rowId: number) => {
console.info(`Insert is successful, rowId = ${rowId}`);
-}).catch((err) => {
+}).catch((err: BusinessError) => {
console.error(`Insert is failed, code is ${err.code},message is ${err.message}`);
})
```
@@ -1856,27 +1893,43 @@ batchInsert(table: string, values: Array<ValuesBucket>, callback: AsyncCal
**示例:**
```js
-const valueBucket1 = {
- "NAME": "Lisa",
- "AGE": 18,
- "SALARY": 100.5,
- "CODES": new Uint8Array([1, 2, 3, 4, 5])
+let key1 = "NAME";
+let key2 = "AGE";
+let key3 = "SALARY";
+let key4 = "CODES";
+let value1 = "Lisa";
+let value2 = 18;
+let value3 = 100.5;
+let value4 = new Uint8Array([1, 2, 3, 4, 5]);
+let value5 = "Jack";
+let value6 = 19;
+let value7 = 101.5;
+let value8 = new Uint8Array([6, 7, 8, 9, 10]);
+let value9 = "Tom";
+let value10 = 20;
+let value11 = 102.5;
+let value12 = new Uint8Array([11, 12, 13, 14, 15]);
+const valueBucket1: ValuesBucket = {
+ key1: value1,
+ key2: value2,
+ key3: value3,
+ key4: value4,
};
-const valueBucket2 = {
- "NAME": "Jack",
- "AGE": 19,
- "SALARY": 101.5,
- "CODES": new Uint8Array([6, 7, 8, 9, 10])
+const valueBucket2: ValuesBucket = {
+ key1: value5,
+ key2: value6,
+ key3: value7,
+ key4: value8,
};
-const valueBucket3 = {
- "NAME": "Tom",
- "AGE": 20,
- "SALARY": 102.5,
- "CODES": new Uint8Array([11, 12, 13, 14, 15])
+const valueBucket3: ValuesBucket = {
+ key1: value9,
+ key2: value10,
+ key3: value11,
+ key4: value12,
};
let valueBuckets = new Array(valueBucket1, valueBucket2, valueBucket3);
-store.batchInsert("EMPLOYEE", valueBuckets, function(err, insertNum) {
+store.batchInsert("EMPLOYEE", valueBuckets, (err, insertNum) => {
if (err) {
console.error(`batchInsert is failed, code is ${err.code},message is ${err.message}`);
return;
@@ -1918,30 +1971,46 @@ batchInsert(table: string, values: Array<ValuesBucket>):Promise<number&
**示例:**
```js
-const valueBucket1 = {
- "NAME": "Lisa",
- "AGE": 18,
- "SALARY": 100.5,
- "CODES": new Uint8Array([1, 2, 3, 4, 5])
+let key1 = "NAME";
+let key2 = "AGE";
+let key3 = "SALARY";
+let key4 = "CODES";
+let value1 = "Lisa";
+let value2 = 18;
+let value3 = 100.5;
+let value4 = new Uint8Array([1, 2, 3, 4, 5]);
+let value5 = "Jack";
+let value6 = 19;
+let value7 = 101.5;
+let value8 = new Uint8Array([6, 7, 8, 9, 10]);
+let value9 = "Tom";
+let value10 = 20;
+let value11 = 102.5;
+let value12 = new Uint8Array([11, 12, 13, 14, 15]);
+const valueBucket1: ValuesBucket = {
+ key1: value1,
+ key2: value2,
+ key3: value3,
+ key4: value4,
};
-const valueBucket2 = {
- "NAME": "Jack",
- "AGE": 19,
- "SALARY": 101.5,
- "CODES": new Uint8Array([6, 7, 8, 9, 10])
+const valueBucket2: ValuesBucket = {
+ key1: value5,
+ key2: value6,
+ key3: value7,
+ key4: value8,
};
-const valueBucket3 = {
- "NAME": "Tom",
- "AGE": 20,
- "SALARY": 102.5,
- "CODES": new Uint8Array([11, 12, 13, 14, 15])
+const valueBucket3: ValuesBucket = {
+ key1: value9,
+ key2: value10,
+ key3: value11,
+ key4: value12,
};
let valueBuckets = new Array(valueBucket1, valueBucket2, valueBucket3);
let promise = store.batchInsert("EMPLOYEE", valueBuckets);
-promise.then((insertNum) => {
+promise.then((insertNum: number) => {
console.info(`batchInsert is successful, the number of values that were inserted = ${insertNum}`);
-}).catch((err) => {
+}).catch((err: BusinessError) => {
console.error(`batchInsert is failed, code is ${err.code},message is ${err.message}`);
})
```
@@ -1974,11 +2043,19 @@ update(values: ValuesBucket, predicates: RdbPredicates, callback: AsyncCallback&
**示例:**
```js
-const valueBucket = {
- "NAME": "Rose",
- "AGE": 22,
- "SALARY": 200.5,
- "CODES": new Uint8Array([1, 2, 3, 4, 5]),
+let key1 = "NAME";
+let key2 = "AGE";
+let key3 = "SALARY";
+let key4 = "CODES";
+let value1 = "Rose";
+let value2 = 22;
+let value3 = 200.5;
+let value4 = new Uint8Array([1, 2, 3, 4, 5]);
+const valueBucket: ValuesBucket = {
+ key1: value1,
+ key2: value2,
+ key3: value3,
+ key4: value4,
};
let predicates = new relationalStore.RdbPredicates("EMPLOYEE");
predicates.equalTo("NAME", "Lisa");
@@ -2020,15 +2097,23 @@ update(values: ValuesBucket, predicates: RdbPredicates, conflict: ConflictResolu
**示例:**
```js
-const valueBucket = {
- "NAME": "Rose",
- "AGE": 22,
- "SALARY": 200.5,
- "CODES": new Uint8Array([1, 2, 3, 4, 5]),
+let key1 = "NAME";
+let key2 = "AGE";
+let key3 = "SALARY";
+let key4 = "CODES";
+let value1 = "Rose";
+let value2 = 22;
+let value3 = 200.5;
+let value4 = new Uint8Array([1, 2, 3, 4, 5]);
+const valueBucket: ValuesBucket = {
+ key1: value1,
+ key2: value2,
+ key3: value3,
+ key4: value4,
};
let predicates = new relationalStore.RdbPredicates("EMPLOYEE");
predicates.equalTo("NAME", "Lisa");
-store.update(valueBucket, predicates, relationalStore.ConflictResolution.ON_CONFLICT_REPLACE, function (err, rows) {
+store.update(valueBucket, predicates, relationalStore.ConflictResolution.ON_CONFLICT_REPLACE, (err, rows) => {
if (err) {
console.error(`Updated failed, code is ${err.code},message is ${err.message}`);
return;
@@ -2070,18 +2155,26 @@ update(values: ValuesBucket, predicates: RdbPredicates):Promise<number>
**示例:**
```js
-const valueBucket = {
- "NAME": "Rose",
- "AGE": 22,
- "SALARY": 200.5,
- "CODES": new Uint8Array([1, 2, 3, 4, 5]),
+let key1 = "NAME";
+let key2 = "AGE";
+let key3 = "SALARY";
+let key4 = "CODES";
+let value1 = "Rose";
+let value2 = 22;
+let value3 = 200.5;
+let value4 = new Uint8Array([1, 2, 3, 4, 5]);
+const valueBucket: ValuesBucket = {
+ key1: value1,
+ key2: value2,
+ key3: value3,
+ key4: value4,
};
let predicates = new relationalStore.RdbPredicates("EMPLOYEE");
predicates.equalTo("NAME", "Lisa");
let promise = store.update(valueBucket, predicates);
-promise.then(async (rows) => {
+promise.then(async (rows: Number) => {
console.info(`Updated row count: ${rows}`);
-}).catch((err) => {
+}).catch((err: BusinessError) => {
console.error(`Updated failed, code is ${err.code},message is ${err.message}`);
})
```
@@ -2120,18 +2213,26 @@ update(values: ValuesBucket, predicates: RdbPredicates, conflict: ConflictResolu
**示例:**
```js
-const valueBucket = {
- "NAME": "Rose",
- "AGE": 22,
- "SALARY": 200.5,
- "CODES": new Uint8Array([1, 2, 3, 4, 5]),
+let key1 = "NAME";
+let key2 = "AGE";
+let key3 = "SALARY";
+let key4 = "CODES";
+let value1 = "Rose";
+let value2 = 22;
+let value3 = 200.5;
+let value4 = new Uint8Array([1, 2, 3, 4, 5]);
+const valueBucket: ValuesBucket = {
+ key1: value1,
+ key2: value2,
+ key3: value3,
+ key4: value4,
};
let predicates = new relationalStore.RdbPredicates("EMPLOYEE");
predicates.equalTo("NAME", "Lisa");
let promise = store.update(valueBucket, predicates, relationalStore.ConflictResolution.ON_CONFLICT_REPLACE);
-promise.then(async (rows) => {
+promise.then(async (rows: Number) => {
console.info(`Updated row count: ${rows}`);
-}).catch((err) => {
+}).catch((err: BusinessError) => {
console.error(`Updated failed, code is ${err.code},message is ${err.message}`);
})
```
@@ -2170,15 +2271,23 @@ update(table: string, values: ValuesBucket, predicates: dataSharePredicates.Data
```js
import dataSharePredicates from '@ohos.data.dataSharePredicates'
-const valueBucket = {
- "NAME": "Rose",
- "AGE": 22,
- "SALARY": 200.5,
- "CODES": new Uint8Array([1, 2, 3, 4, 5]),
+let key1 = "NAME";
+let key2 = "AGE";
+let key3 = "SALARY";
+let key4 = "CODES";
+let value1 = "Rose";
+let value2 = 22;
+let value3 = 200.5;
+let value4 = new Uint8Array([1, 2, 3, 4, 5]);
+const valueBucket: ValuesBucket = {
+ key1: value1,
+ key2: value2,
+ key3: value3,
+ key4: value4,
};
let predicates = new dataSharePredicates.DataSharePredicates();
predicates.equalTo("NAME", "Lisa");
-store.update("EMPLOYEE", valueBucket, predicates, function (err, rows) {
+store.update("EMPLOYEE", valueBucket, predicates, (err, rows) => {
if (err) {
console.error(`Updated failed, code is ${err.code},message is ${err.message}`);
return;
@@ -2226,18 +2335,26 @@ update(table: string, values: ValuesBucket, predicates: dataSharePredicates.Data
```js
import dataSharePredicates from '@ohos.data.dataSharePredicates'
-const valueBucket = {
- "NAME": "Rose",
- "AGE": 22,
- "SALARY": 200.5,
- "CODES": new Uint8Array([1, 2, 3, 4, 5]),
+let key1 = "NAME";
+let key2 = "AGE";
+let key3 = "SALARY";
+let key4 = "CODES";
+let value1 = "Rose";
+let value2 = 22;
+let value3 = 200.5;
+let value4 = new Uint8Array([1, 2, 3, 4, 5]);
+const valueBucket: ValuesBucket = {
+ key1: value1,
+ key2: value2,
+ key3: value3,
+ key4: value4,
};
let predicates = new dataSharePredicates.DataSharePredicates();
predicates.equalTo("NAME", "Lisa");
let promise = store.update("EMPLOYEE", valueBucket, predicates);
-promise.then(async (rows) => {
+promise.then(async (rows: Number) => {
console.info(`Updated row count: ${rows}`);
-}).catch((err) => {
+}).catch((err: BusinessError) => {
console.error(`Updated failed, code is ${err.code},message is ${err.message}`);
})
```
@@ -2271,7 +2388,7 @@ delete(predicates: RdbPredicates, callback: AsyncCallback<number>):void
```js
let predicates = new relationalStore.RdbPredicates("EMPLOYEE");
predicates.equalTo("NAME", "Lisa");
-store.delete(predicates, function (err, rows) {
+store.delete(predicates, (err, rows) => {
if (err) {
console.error(`Delete failed, code is ${err.code},message is ${err.message}`);
return;
@@ -2315,9 +2432,9 @@ delete(predicates: RdbPredicates):Promise<number>
let predicates = new relationalStore.RdbPredicates("EMPLOYEE");
predicates.equalTo("NAME", "Lisa");
let promise = store.delete(predicates);
-promise.then((rows) => {
+promise.then((rows: Number) => {
console.info(`Delete rows: ${rows}`);
-}).catch((err) => {
+}).catch((err: BusinessError) => {
console.error(`Delete failed, code is ${err.code},message is ${err.message}`);
})
```
@@ -2357,7 +2474,7 @@ delete(table: string, predicates: dataSharePredicates.DataSharePredicates, callb
import dataSharePredicates from '@ohos.data.dataSharePredicates'
let predicates = new dataSharePredicates.DataSharePredicates();
predicates.equalTo("NAME", "Lisa");
-store.delete("EMPLOYEE", predicates, function (err, rows) {
+store.delete("EMPLOYEE", predicates, (err, rows) => {
if (err) {
console.error(`Delete failed, code is ${err.code},message is ${err.message}`);
return;
@@ -2407,9 +2524,9 @@ import dataSharePredicates from '@ohos.data.dataSharePredicates'
let predicates = new dataSharePredicates.DataSharePredicates();
predicates.equalTo("NAME", "Lisa");
let promise = store.delete("EMPLOYEE", predicates);
-promise.then((rows) => {
+promise.then((rows: Number) => {
console.info(`Delete rows: ${rows}`);
-}).catch((err) => {
+}).catch((err: BusinessError) => {
console.error(`Delete failed, code is ${err.code},message is ${err.message}`);
})
```
@@ -2442,7 +2559,7 @@ query(predicates: RdbPredicates, callback: AsyncCallback<ResultSet>):void
```js
let predicates = new relationalStore.RdbPredicates("EMPLOYEE");
predicates.equalTo("NAME", "Rose");
-store.query(predicates, function (err, resultSet) {
+store.query(predicates, (err, resultSet) => {
if (err) {
console.error(`Query failed, code is ${err.code},message is ${err.message}`);
return;
@@ -2490,7 +2607,7 @@ query(predicates: RdbPredicates, columns: Array<string>, callback: AsyncCa
```js
let predicates = new relationalStore.RdbPredicates("EMPLOYEE");
predicates.equalTo("NAME", "Rose");
-store.query(predicates, ["ID", "NAME", "AGE", "SALARY", "CODES"], function (err, resultSet) {
+store.query(predicates, ["ID", "NAME", "AGE", "SALARY", "CODES"], (err, resultSet) => {
if (err) {
console.error(`Query failed, code is ${err.code},message is ${err.message}`);
return;
@@ -2544,7 +2661,7 @@ query(predicates: RdbPredicates, columns?: Array<string>):Promise<Resul
let predicates = new relationalStore.RdbPredicates("EMPLOYEE");
predicates.equalTo("NAME", "Rose");
let promise = store.query(predicates, ["ID", "NAME", "AGE", "SALARY", "CODES"]);
-promise.then((resultSet) => {
+promise.then((resultSet: relationalStore.ResultSet) => {
console.info(`ResultSet column names: ${resultSet.columnNames}, column count: ${resultSet.columnCount}`);
// resultSet是一个数据集合的游标,默认指向第-1个记录,有效的数据从0开始。
while (resultSet.goToNextRow()) {
@@ -2556,7 +2673,7 @@ promise.then((resultSet) => {
}
// 释放数据集的内存
resultSet.close();
-}).catch((err) => {
+}).catch((err: BusinessError) => {
console.error(`Query failed, code is ${err.code},message is ${err.message}`);
})
```
@@ -2595,7 +2712,7 @@ query(table: string, predicates: dataSharePredicates.DataSharePredicates, callba
import dataSharePredicates from '@ohos.data.dataSharePredicates'
let predicates = new dataSharePredicates.DataSharePredicates();
predicates.equalTo("NAME", "Rose");
-store.query("EMPLOYEE", predicates, function (err, resultSet) {
+store.query("EMPLOYEE", predicates, (err, resultSet) => {
if (err) {
console.error(`Query failed, code is ${err.code},message is ${err.message}`);
return;
@@ -2649,7 +2766,7 @@ query(table: string, predicates: dataSharePredicates.DataSharePredicates, column
import dataSharePredicates from '@ohos.data.dataSharePredicates'
let predicates = new dataSharePredicates.DataSharePredicates();
predicates.equalTo("NAME", "Rose");
-store.query("EMPLOYEE", predicates, ["ID", "NAME", "AGE", "SALARY", "CODES"], function (err, resultSet) {
+store.query("EMPLOYEE", predicates, ["ID", "NAME", "AGE", "SALARY", "CODES"], (err, resultSet) => {
if (err) {
console.error(`Query failed, code is ${err.code},message is ${err.message}`);
return;
@@ -2709,7 +2826,7 @@ import dataSharePredicates from '@ohos.data.dataSharePredicates'
let predicates = new dataSharePredicates.DataSharePredicates();
predicates.equalTo("NAME", "Rose");
let promise = store.query("EMPLOYEE", predicates, ["ID", "NAME", "AGE", "SALARY", "CODES"]);
-promise.then((resultSet) => {
+promise.then((resultSet: relationalStore.ResultSet) => {
console.info(`ResultSet column names: ${resultSet.columnNames}, column count: ${resultSet.columnCount}`);
// resultSet是一个数据集合的游标,默认指向第-1个记录,有效的数据从0开始。
while (resultSet.goToNextRow()) {
@@ -2721,7 +2838,7 @@ promise.then((resultSet) => {
}
// 释放数据集的内存
resultSet.close();
-}).catch((err) => {
+}).catch((err: BusinessError) => {
console.error(`Query failed, code is ${err.code},message is ${err.message}`);
})
```
@@ -2760,8 +2877,8 @@ remoteQuery(device: string, table: string, predicates: RdbPredicates, columns: A
```js
import deviceManager from '@ohos.distributedDeviceManager';
-let dmInstance = null;
-let deviceId = null;
+let dmInstance: deviceManager.DeviceManager = null;
+let deviceId: string = null;
try {
dmInstance = deviceManager.createDeviceManager("com.example.appdatamgrverify");
@@ -2773,25 +2890,22 @@ try {
let predicates = new relationalStore.RdbPredicates('EMPLOYEE');
predicates.greaterThan("id", 0);
-store.remoteQuery(deviceId, "EMPLOYEE", predicates, ["ID", "NAME", "AGE", "SALARY", "CODES"],
- function(err, resultSet) {
- if (err) {
- console.error(`Failed to remoteQuery, code is ${err.code},message is ${err.message}`);
- return;
- }
- console.info(`ResultSet column names: ${resultSet.columnNames}, column count: ${resultSet.columnCount}`);
- // resultSet是一个数据集合的游标,默认指向第-1个记录,有效的数据从0开始。
- while (resultSet.goToNextRow()) {
- const id = resultSet.getLong(resultSet.getColumnIndex("ID"));
- const name = resultSet.getString(resultSet.getColumnIndex("NAME"));
- const age = resultSet.getLong(resultSet.getColumnIndex("AGE"));
- const salary = resultSet.getDouble(resultSet.getColumnIndex("SALARY"));
- console.info(`id=${id}, name=${name}, age=${age}, salary=${salary}`);
- }
- // 释放数据集的内存
- resultSet.close();
+let promise = store.remoteQuery(deviceId, "EMPLOYEE", predicates, ["ID", "NAME", "AGE", "SALARY", "CODES"]);
+promise.then((resultSet: relationalStore.ResultSet) => {
+ console.info(`ResultSet column names: ${resultSet.columnNames}, column count: ${resultSet.columnCount}`);
+ // resultSet是一个数据集合的游标,默认指向第-1个记录,有效的数据从0开始。
+ while (resultSet.goToNextRow()) {
+ const id = resultSet.getLong(resultSet.getColumnIndex("ID"));
+ const name = resultSet.getString(resultSet.getColumnIndex("NAME"));
+ const age = resultSet.getLong(resultSet.getColumnIndex("AGE"));
+ const salary = resultSet.getDouble(resultSet.getColumnIndex("SALARY"));
+ console.info(`id=${id}, name=${name}, age=${age}, salary=${salary}`);
}
-)
+ // 释放数据集的内存
+ resultSet.close();
+}).catch((err: BusinessError) => {
+ console.error(`Failed to remoteQuery, code is ${err.code},message is ${err.message}`);
+})
```
### remoteQuery
@@ -2833,8 +2947,8 @@ remoteQuery(device: string, table: string, predicates: RdbPredicates, columns: A
```js
import deviceManager from '@ohos.distributedDeviceManager';
-let dmInstance = null;
-let deviceId = null;
+let dmInstance: deviceManager.DeviceManager = null;
+let deviceId: string = null;
try {
dmInstance = deviceManager.createDeviceManager("com.example.appdatamgrverify");
@@ -2847,7 +2961,7 @@ try {
let predicates = new relationalStore.RdbPredicates('EMPLOYEE');
predicates.greaterThan("id", 0);
let promise = store.remoteQuery(deviceId, "EMPLOYEE", predicates, ["ID", "NAME", "AGE", "SALARY", "CODES"]);
-promise.then((resultSet) => {
+promise.then((resultSet: relationalStore.ResultSet) => {
console.info(`ResultSet column names: ${resultSet.columnNames}, column count: ${resultSet.columnCount}`);
// resultSet是一个数据集合的游标,默认指向第-1个记录,有效的数据从0开始。
while (resultSet.goToNextRow()) {
@@ -2859,7 +2973,7 @@ promise.then((resultSet) => {
}
// 释放数据集的内存
resultSet.close();
-}).catch((err) => {
+}).catch((err: BusinessError) => {
console.error(`Failed to remoteQuery, code is ${err.code},message is ${err.message}`);
})
```
@@ -2890,7 +3004,7 @@ querySql(sql: string, callback: AsyncCallback<ResultSet>):void
**示例:**
```js
-store.querySql("SELECT * FROM EMPLOYEE CROSS JOIN BOOK WHERE BOOK.NAME = 'sanguo'", function (err, resultSet) {
+store.querySql("SELECT * FROM EMPLOYEE CROSS JOIN BOOK WHERE BOOK.NAME = 'sanguo'", (err, resultSet) => {
if (err) {
console.error(`Query failed, code is ${err.code},message is ${err.message}`);
return;
@@ -2936,7 +3050,7 @@ querySql(sql: string, bindArgs: Array<ValueType>, callback: AsyncCallback&
**示例:**
```js
-store.querySql("SELECT * FROM EMPLOYEE CROSS JOIN BOOK WHERE BOOK.NAME = ?", ['sanguo'], function (err, resultSet) {
+store.querySql("SELECT * FROM EMPLOYEE CROSS JOIN BOOK WHERE BOOK.NAME = ?", ['sanguo'], (err, resultSet) => {
if (err) {
console.error(`Query failed, code is ${err.code},message is ${err.message}`);
return;
@@ -2988,7 +3102,7 @@ querySql(sql: string, bindArgs?: Array<ValueType>):Promise<ResultSet>
```js
let promise = store.querySql("SELECT * FROM EMPLOYEE CROSS JOIN BOOK WHERE BOOK.NAME = 'sanguo'");
-promise.then((resultSet) => {
+promise.then((resultSet: relationalStore.ResultSet) => {
console.info(`ResultSet column names: ${resultSet.columnNames}, column count: ${resultSet.columnCount}`);
// resultSet是一个数据集合的游标,默认指向第-1个记录,有效的数据从0开始。
while (resultSet.goToNextRow()) {
@@ -3000,7 +3114,7 @@ promise.then((resultSet) => {
}
// 释放数据集的内存
resultSet.close();
-}).catch((err) => {
+}).catch((err: BusinessError) => {
console.error(`Query failed, code is ${err.code},message is ${err.message}`);
})
```
@@ -3033,7 +3147,7 @@ executeSql(sql: string, callback: AsyncCallback<void>):void
```js
const SQL_DELETE_TABLE = "DELETE FROM test WHERE name = 'zhangsan'"
-store.executeSql(SQL_DELETE_TABLE, function(err) {
+store.executeSql(SQL_DELETE_TABLE, (err) => {
if (err) {
console.error(`ExecuteSql failed, code is ${err.code},message is ${err.message}`);
return;
@@ -3071,7 +3185,7 @@ executeSql(sql: string, bindArgs: Array<ValueType>, callback: AsyncCallbac
```js
const SQL_DELETE_TABLE = "DELETE FROM test WHERE name = ?"
-store.executeSql(SQL_DELETE_TABLE, ['zhangsan'], function(err) {
+store.executeSql(SQL_DELETE_TABLE, ['zhangsan'], (err) => {
if (err) {
console.error(`ExecuteSql failed, code is ${err.code},message is ${err.message}`);
return;
@@ -3116,9 +3230,9 @@ executeSql(sql: string, bindArgs?: Array<ValueType>):Promise<void>
const SQL_DELETE_TABLE = "DELETE FROM test WHERE name = 'zhangsan'"
let promise = store.executeSql(SQL_DELETE_TABLE);
promise.then(() => {
- console.info(`Delete table done.`);
-}).catch((err) => {
- console.error(`ExecuteSql failed, code is ${err.code},message is ${err.message}`);
+ console.info(`Delete table done.`);
+}).catch((err: BusinessError) => {
+ console.error(`ExecuteSql failed, code is ${err.code},message is ${err.message}`);
})
```
@@ -3151,12 +3265,12 @@ getModifyTime(table: string, columnName: string, primaryKeys: PRIKeyType[], call
```js
let PRIKey = [1, 4, 2, 3];
-store.getModifyTime("cloud_tasks", "uuid", PRIKey, function (err, modifyTime) {
- if (err) {
- console.error(`getModifyTime failed, code is ${err.code},message is ${err.message}`);
- return;
- }
- let size = modifyTime.size();
+store.getModifyTime("cloud_tasks", "uuid", PRIKey, (err, modifyTime: relationalStore.ModifyTime)=> {
+ if (err) {
+ console.error(`getModifyTime failed, code is ${err.code},message is ${err.message}`);
+ return;
+ }
+ let size = modifyTime.size;
});
```
@@ -3194,10 +3308,10 @@ getModifyTime(table: string, columnName: string, primaryKeys: PRIKeyType[]): Pro
```js
let PRIKey = [1, 2, 3];
-store.getModifyTime("cloud_tasks", "uuid", PRIKey).then((modifyTime) => {
- let size = modifyTime.size();
-}).catch((err) => {
- console.error(`getModifyTime failed, code is ${err.code},message is ${err.message}`);
+store.getModifyTime("cloud_tasks", "uuid", PRIKey).then((modifyTime: relationalStore.ModifyTime) => {
+ let size = modifyTime.size;
+}).catch((err: BusinessError) => {
+ console.error(`getModifyTime failed, code is ${err.code},message is ${err.message}`);
});
```
@@ -3223,21 +3337,29 @@ beginTransaction():void
```js
import featureAbility from '@ohos.ability.featureAbility'
let context = featureAbility.getContext();
-const STORE_CONFIG = {
+let key1 = "name";
+let key2 = "age";
+let key3 = "SALARY";
+let key4 = "blobType";
+let value1 = "Lisi";
+let value2 = 18;
+let value3 = 100.5;
+let value4 = new Uint8Array([1, 2, 3]);
+const STORE_CONFIG: relationalStore.StoreConfig = {
name: "RdbTest.db",
securityLevel: relationalStore.SecurityLevel.S1
};
-relationalStore.getRdbStore(context, STORE_CONFIG, async function (err, store) {
+relationalStore.getRdbStore(this.context, STORE_CONFIG, async (err, store) => {
if (err) {
console.error(`GetRdbStore failed, code is ${err.code},message is ${err.message}`);
return;
}
store.beginTransaction();
- const valueBucket = {
- "name": "lisi",
- "age": 18,
- "salary": 100.5,
- "blobType": new Uint8Array([1, 2, 3]),
+ const valueBucket: ValuesBucket = {
+ key1: value1,
+ key2: value2,
+ key3: value3,
+ key4: value4,
};
await store.insert("test", valueBucket);
store.commit();
@@ -3257,21 +3379,29 @@ commit():void
```js
import featureAbility from '@ohos.ability.featureAbility'
let context = featureAbility.getContext();
-const STORE_CONFIG = {
+let key1 = "name";
+let key2 = "age";
+let key3 = "SALARY";
+let key4 = "blobType";
+let value1 = "Lisi";
+let value2 = 18;
+let value3 = 100.5;
+let value4 = new Uint8Array([1, 2, 3]);
+const STORE_CONFIG: relationalStore.StoreConfig = {
name: "RdbTest.db",
securityLevel: relationalStore.SecurityLevel.S1
};
-relationalStore.getRdbStore(context, STORE_CONFIG, async function (err, store) {
+relationalStore.getRdbStore(this.context, STORE_CONFIG, async (err, store) => {
if (err) {
console.error(`GetRdbStore failed, code is ${err.code},message is ${err.message}`);
return;
}
store.beginTransaction();
- const valueBucket = {
- "name": "lisi",
- "age": 18,
- "salary": 100.5,
- "blobType": new Uint8Array([1, 2, 3]),
+ const valueBucket: ValuesBucket = {
+ key1: value1,
+ key2: value2,
+ key3: value3,
+ key4: value4,
};
await store.insert("test", valueBucket);
store.commit();
@@ -3291,24 +3421,31 @@ rollBack():void
```js
import featureAbility from '@ohos.ability.featureAbility'
let context = featureAbility.getContext();
-const STORE_CONFIG = {
+let key1 = "name";
+let key2 = "age";
+let key3 = "SALARY";
+let key4 = "blobType";
+let value1 = "Lisi";
+let value2 = 18;
+let value3 = 100.5;
+let value4 = new Uint8Array([1, 2, 3]);
+const STORE_CONFIG: relationalStore.StoreConfig = {
name: "RdbTest.db",
securityLevel: relationalStore.SecurityLevel.S1
};
-relationalStore.getRdbStore(context, STORE_CONFIG, async function (err, store) {
+relationalStore.getRdbStore(this.context, STORE_CONFIG, async (err, store) => {
if (err) {
console.error(`GetRdbStore failed, code is ${err.code},message is ${err.message}`);
return;
}
try {
store.beginTransaction()
- const valueBucket = {
- "id": 1,
- "name": "lisi",
- "age": 18,
- "salary": 100.5,
- "blobType": new Uint8Array([1, 2, 3]),
- };
+ const valueBucket: ValuesBucket = {
+ key1: value1,
+ key2: value2,
+ key3: value3,
+ key4: value4,
+ };
await store.insert("test", valueBucket);
store.commit();
} catch (err) {
@@ -3344,7 +3481,7 @@ backup(destName:string, callback: AsyncCallback<void>):void
**示例:**
```js
-store.backup("dbBackup.db", function(err) {
+store.backup("dbBackup.db", (err) => {
if (err) {
console.error(`Backup failed, code is ${err.code},message is ${err.message}`);
return;
@@ -3387,7 +3524,7 @@ backup(destName:string): Promise<void>
let promiseBackup = store.backup("dbBackup.db");
promiseBackup.then(()=>{
console.info(`Backup success.`);
-}).catch((err)=>{
+}).catch((err: BusinessError)=>{
console.error(`Backup failed, code is ${err.code},message is ${err.message}`);
})
```
@@ -3418,7 +3555,7 @@ restore(srcName:string, callback: AsyncCallback<void>):void
**示例:**
```js
-store.restore("dbBackup.db", function(err) {
+store.restore("dbBackup.db", (err) => {
if (err) {
console.error(`Restore failed, code is ${err.code},message is ${err.message}`);
return;
@@ -3461,7 +3598,7 @@ restore(srcName:string): Promise<void>
let promiseRestore = store.restore("dbBackup.db");
promiseRestore.then(()=>{
console.info(`Restore success.`);
-}).catch((err)=>{
+}).catch((err: BusinessError)=>{
console.error(`Restore failed, code is ${err.code},message is ${err.message}`);
})
```
@@ -3494,7 +3631,7 @@ setDistributedTables(tables: Array<string>, callback: AsyncCallback<voi
**示例:**
```js
-store.setDistributedTables(["EMPLOYEE"], function (err) {
+store.setDistributedTables(["EMPLOYEE"], (err) => {
if (err) {
console.error(`SetDistributedTables failed, code is ${err.code},message is ${err.message}`);
return;
@@ -3539,7 +3676,7 @@ store.setDistributedTables(["EMPLOYEE"], function (err) {
let promise = store.setDistributedTables(["EMPLOYEE"]);
promise.then(() => {
console.info(`SetDistributedTables successfully.`);
-}).catch((err) => {
+}).catch((err: BusinessError) => {
console.error(`SetDistributedTables failed, code is ${err.code},message is ${err.message}`);
})
```
@@ -3574,7 +3711,7 @@ setDistributedTables(tables: Array<string>, type: DistributedType, callbac
**示例:**
```js
-store.setDistributedTables(["EMPLOYEE"], relationalStore.DistributedType.DISTRIBUTED_CLOUD, function (err) {
+store.setDistributedTables(["EMPLOYEE"], relationalStore.DistributedType.DISTRIBUTED_CLOUD, (err) => {
if (err) {
console.error(`SetDistributedTables failed, code is ${err.code},message is ${err.message}`);
return;
@@ -3618,7 +3755,7 @@ setDistributedTables(tables: Array<string>, type: DistributedType, config:
```js
store.setDistributedTables(["EMPLOYEE"], relationalStore.DistributedType.DISTRIBUTED_CLOUD, {
autoSync: true
-}, function (err) {
+},(err) => {
if (err) {
console.error(`SetDistributedTables failed, code is ${err.code},message is ${err.message}`);
return;
@@ -3668,7 +3805,7 @@ let promise = store.setDistributedTables(["EMPLOYEE"], relationalStore.Distribut
});
promise.then(() => {
console.info(`SetDistributedTables successfully.`);
-}).catch((err) => {
+}).catch((err: BusinessError) => {
console.error(`SetDistributedTables failed, code is ${err.code},message is ${err.message}`);
})
```
@@ -3707,8 +3844,8 @@ obtainDistributedTableName(device: string, table: string, callback: AsyncCallbac
```js
import deviceManager from '@ohos.distributedDeviceManager';
-let dmInstance = null;
-let deviceId = null;
+let dmInstance: deviceManager.DeviceManager = null;
+let deviceId: string = null;
try {
dmInstance = deviceManager.createDeviceManager("com.example.appdatamgrverify");
@@ -3718,12 +3855,12 @@ try {
console.error("createDeviceManager errCode:" + err.code + ",errMessage:" + err.message);
}
-store.obtainDistributedTableName(deviceId, "EMPLOYEE", function (err, tableName) {
- if (err) {
- console.error(`ObtainDistributedTableName failed, code is ${err.code},message is ${err.message}`);
- return;
- }
- console.info(`ObtainDistributedTableName successfully, tableName= ${tableName}`);
+store.obtainDistributedTableName(deviceId, "EMPLOYEE", (err, tableName) => {
+ if (err) {
+ console.error(`ObtainDistributedTableName failed, code is ${err.code},message is ${err.message}`);
+ return;
+ }
+ console.info(`ObtainDistributedTableName successfully, tableName= ${tableName}`);
})
```
@@ -3766,8 +3903,8 @@ store.obtainDistributedTableName(deviceId, "EMPLOYEE", function (err, tableName)
```js
import deviceManager from '@ohos.distributedDeviceManager';
-let dmInstance = null;
-let deviceId = null;
+let dmInstance: deviceManager.DeviceManager = null;
+let deviceId: string = null;
try {
dmInstance = deviceManager.createDeviceManager("com.example.appdatamgrverify");
@@ -3778,9 +3915,9 @@ try {
}
let promise = store.obtainDistributedTableName(deviceId, "EMPLOYEE");
-promise.then((tableName) => {
+promise.then((tableName: string) => {
console.info(`ObtainDistributedTableName successfully, tableName= ${tableName}`);
-}).catch((err) => {
+}).catch((err: BusinessError) => {
console.error(`ObtainDistributedTableName failed, code is ${err.code},message is ${err.message}`);
})
```
@@ -3815,13 +3952,13 @@ sync(mode: SyncMode, predicates: RdbPredicates, callback: AsyncCallback<Array
```js
import deviceManager from '@ohos.distributedDeviceManager';
-let dmInstance = null;
-let deviceIds = [];
+let dmInstance: deviceManager.DeviceManager = null;
+let deviceIds: Array = [];
try {
dmInstance = deviceManager.createDeviceManager("com.example.appdatamgrverify");
let devices = dmInstance.getAvailableDeviceListSync();
- for (var i = 0; i < devices.length; i++) {
+ for (let i = 0; i < devices.length; i++) {
deviceIds[i] = devices[i].networkId;
}
} catch (err) {
@@ -3830,7 +3967,7 @@ try {
let predicates = new relationalStore.RdbPredicates('EMPLOYEE');
predicates.inDevices(deviceIds);
-store.sync(relationalStore.SyncMode.SYNC_MODE_PUSH, predicates, function (err, result) {
+store.sync(relationalStore.SyncMode.SYNC_MODE_PUSH, predicates, (err, result) => {
if (err) {
console.error(`Sync failed, code is ${err.code},message is ${err.message}`);
return;
@@ -3877,13 +4014,13 @@ store.sync(relationalStore.SyncMode.SYNC_MODE_PUSH, predicates, function (err, r
```js
import deviceManager from '@ohos.distributedDeviceManager';
-let dmInstance = null;
-let deviceIds = [];
+let dmInstance: deviceManager.DeviceManager = null;
+let deviceIds: Array = [];
try {
dmInstance = deviceManager.createDeviceManager("com.example.appdatamgrverify");
let devices = dmInstance.getAvailableDeviceListSync();
- for (var i = 0; i < devices.length; i++) {
+ for (let i = 0; i < devices.length; i++) {
deviceIds[i] = devices[i].networkId;
}
} catch (err) {
@@ -3893,12 +4030,12 @@ try {
let predicates = new relationalStore.RdbPredicates('EMPLOYEE');
predicates.inDevices(deviceIds);
let promise = store.sync(relationalStore.SyncMode.SYNC_MODE_PUSH, predicates);
-promise.then((result) =>{
+promise.then((result: Object[][]) =>{
console.info(`Sync done.`);
for (let i = 0; i < result.length; i++) {
console.info(`device= ${result[i][0]}, status= ${result[i][1]}`);
}
-}).catch((err) => {
+}).catch((err: BusinessError) => {
console.error(`Sync failed, code is ${err.code},message is ${err.message}`);
})
```
@@ -3924,14 +4061,14 @@ cloudSync(mode: SyncMode, progress: Callback<ProgressDetails>, callback: A
**示例:**
```js
-store.cloudSync(relationalStore.SyncMode.SYNC_MODE_CLOUD_FIRST, function (progressDetails) {
- console.info(`Progess: ${progressDetails}`);
-}, function (err) {
- if (err) {
- console.error(`Cloud sync failed, code is ${err.code},message is ${err.message}`);
- return;
- }
- console.info('Cloud sync succeeded');
+store.cloudSync(relationalStore.SyncMode.SYNC_MODE_CLOUD_FIRST, (progressDetails) => {
+ console.info(`Progess: ${progressDetails}`);
+}, (err) =>{
+ if (err) {
+ console.error(`Cloud sync failed, code is ${err.code},message is ${err.message}`);
+ return;
+ }
+ console.info('Cloud sync succeeded');
});
```
@@ -3961,13 +4098,11 @@ cloudSync(mode: SyncMode, progress: Callback<ProgressDetails>): Promise<
**示例:**
```js
-function progress(progressDetail) {
+store.cloudSync(relationalStore.SyncMode.SYNC_MODE_CLOUD_FIRST, (progressDetail: relationalStore.ProgressDetails) => {
console.info(`progress: ${progressDetail}`);
-}
-
-store.cloudSync(relationalStore.SyncMode.SYNC_MODE_CLOUD_FIRST, progress).then(() => {
+}).then(() => {
console.info('Cloud sync succeeded');
-}).catch((err) => {
+}).catch((err: BusinessError) => {
console.error(`cloudSync failed, code is ${err.code},message is ${err.message}`);
});
```
@@ -3995,14 +4130,14 @@ cloudSync(mode: SyncMode, tables: string[], progress: Callback<ProgressDetail
```js
const tables = ["table1", "table2"];
-store.cloudSync(relationalStore.SyncMode.SYNC_MODE_CLOUD_FIRST, tables, function (progressDetails) {
- console.info(`Progess: ${progressDetails}`);
-}, function (err) {
- if (err) {
- console.error(`Cloud sync failed, code is ${err.code},message is ${err.message}`);
- return;
- }
- console.info('Cloud sync succeeded');
+store.cloudSync(relationalStore.SyncMode.SYNC_MODE_CLOUD_FIRST, tables, (progressDetail: relationalStore.ProgressDetails) => {
+ console.info(`Progess: ${progressDetails}`);
+}, (err) => {
+ if (err) {
+ console.error(`Cloud sync failed, code is ${err.code},message is ${err.message}`);
+ return;
+ }
+ console.info('Cloud sync succeeded');
});
```
@@ -4034,13 +4169,12 @@ cloudSync(mode: SyncMode, tables: string[], progress: Callback<ProgressDetail
```js
const tables = ["table1", "table2"];
-function progress(progressDetail) {
- console.info(`progress: ${progressDetail}`);
-}
-store.cloudSync(relationalStore.SyncMode.SYNC_MODE_CLOUD_FIRST, tables, progress).then(() => {
+store.cloudSync(relationalStore.SyncMode.SYNC_MODE_CLOUD_FIRST, (progressDetail: relationalStore.ProgressDetails) => {
+ console.info(`progress: ${progressDetail}`);
+}).then(() => {
console.info('Cloud sync succeeded');
-}).catch((err) => {
+}).catch((err: BusinessError) => {
console.error(`cloudSync failed, code is ${err.code},message is ${err.message}`);
});
```
@@ -4064,13 +4198,14 @@ on(event: 'dataChange', type: SubscribeType, observer: Callback<Array<stri
**示例:**
```js
-function storeObserver(devices) {
- for (let i = 0; i < devices.length; i++) {
- console.info(`device= ${devices[i]} data changed`);
- }
-}
try {
- store.on('dataChange', relationalStore.SubscribeType.SUBSCRIBE_TYPE_REMOTE, storeObserver);
+ store.on('dataChange', relationalStore.SubscribeType.SUBSCRIBE_TYPE_REMOTE, (storeObserver) => {
+ let devices: string;
+ for (let i = 0; i < devices.length; i++) {
+ console.info(`device= ${devices[i]} data changed`);
+ }
+ }
+ );
} catch (err) {
console.error(`Register observer failed, code is ${err.code},message is ${err.message}`);
}
@@ -4135,11 +4270,10 @@ on(event: string, interProcess: boolean, observer: Callback\): void
**示例:**
```js
-function storeObserver() {
- console.info(`storeObserver`);
-}
try {
- store.on('storeObserver', false, storeObserver);
+ store.on('storeObserver', false, (storeObserver) => {
+ console.info(`storeObserver`);
+ });
} catch (err) {
console.error(`Register observer failed, code is ${err.code},message is ${err.message}`);
}
@@ -4164,13 +4298,14 @@ off(event:'dataChange', type: SubscribeType, observer: Callback<Array<stri
**示例:**
```
-function storeObserver(devices) {
- for (let i = 0; i < devices.length; i++) {
- console.info(`device= ${devices[i]} data changed`);
- }
-}
try {
- store.off('dataChange', relationalStore.SubscribeType.SUBSCRIBE_TYPE_REMOTE, storeObserver);
+ store.off('dataChange', relationalStore.SubscribeType.SUBSCRIBE_TYPE_REMOTE, (storeObserver) => {
+ let devices: string;
+ for (let i = 0; i < devices.length; i++) {
+ console.info(`device= ${devices[i]} data changed`);
+ }
+ }
+ );
} catch (err) {
console.error(`Unregister observer failed, code is ${err.code},message is ${err.message}`);
}
@@ -4195,13 +4330,14 @@ off(event:'dataChange', type: SubscribeType, observer?: Callback<Array<str
**示例:**
```js
-function storeObserver(devices) {
- for (let i = 0; i < devices.length; i++) {
- console.info(`device= ${devices[i]} data changed`);
- }
-}
try {
- store.off('dataChange', relationalStore.SubscribeType.SUBSCRIBE_TYPE_REMOTE, storeObserver);
+ store.off('dataChange', relationalStore.SubscribeType.SUBSCRIBE_TYPE_REMOTE, (storeObserver) => {
+ let devices: string;
+ for (let i = 0; i < devices.length; i++) {
+ console.info(`device= ${devices[i]} data changed`);
+ }
+ }
+ );
} catch (err) {
console.error(`Unregister observer failed, code is ${err.code},message is ${err.message}`);
}
@@ -4235,11 +4371,11 @@ off(event: string, interProcess: boolean, observer?: Callback\): void
**示例:**
```js
-function storeObserver() {
- console.info(`storeObserver`);
-}
try {
- store.off('storeObserver', false, storeObserver);
+ store.off('storeObserver', false, (storeObserver) => {
+ console.info(`storeObserver`);
+ }
+ );
} catch (err) {
console.error(`Register observer failed, code is ${err.code},message is ${err.message}`);
}
@@ -4283,11 +4419,11 @@ store.emit('storeObserver');
首先需要获取resultSet对象。
```js
-let resultSet = null;
+let resultSet: relationalStore.ResultSet = null;
let predicates = new relationalStore.RdbPredicates("EMPLOYEE");
predicates.equalTo("AGE", 18);
let promise = store.query(predicates, ["ID", "NAME", "AGE", "SALARY", "CODES"]);
-promise.then((result) => {
+promise.then((result: relationalStore.ResultSet) => {
resultSet = result;
console.info(`resultSet columnNames: ${resultSet.columnNames}`);
console.info(`resultSet columnCount: ${resultSet.columnCount}`);
@@ -4341,7 +4477,6 @@ getColumnIndex(columnName: string): number
**示例:**
```js
-resultSet.goToFirstRow();
const id = resultSet.getLong(resultSet.getColumnIndex("ID"));
const name = resultSet.getString(resultSet.getColumnIndex("NAME"));
const age = resultSet.getLong(resultSet.getColumnIndex("AGE"));
@@ -4415,14 +4550,7 @@ goTo(offset:number): boolean
**示例:**
```js
-let predicates = new relationalStore.RdbPredicates("EMPLOYEE");
-let promise= store.query(predicates, ["ID", "NAME", "AGE", "SALARY", "CODES"]);
-promise.then((resultSet) => {
resultSet.goTo(1);
- resultSet.close();
-}).catch((err) => {
- console.error(`query failed, code is ${err.code},message is ${err.message}`);
-});
```
### goToRow
@@ -4456,14 +4584,7 @@ goToRow(position: number): boolean
**示例:**
```js
-let predicates = new relationalStore.RdbPredicates("EMPLOYEE");
-let promise = store.query(predicates, ["ID", "NAME", "AGE", "SALARY", "CODES"]);
-promise.then((resultSet) => {
resultSet.goToRow(5);
- resultSet.close();
-}).catch((err) => {
- console.error(`query failed, code is ${err.code},message is ${err.message}`);
-});
```
### goToFirstRow
@@ -4492,14 +4613,7 @@ goToFirstRow(): boolean
**示例:**
```js
-let predicates = new relationalStore.RdbPredicates("EMPLOYEE");
-let promise = store.query(predicates, ["ID", "NAME", "AGE", "SALARY", "CODES"]);
-promise.then((resultSet) => {
resultSet.goToFirstRow();
- resultSet.close();
-}).catch((err) => {
- console.error(`query failed, code is ${err.code},message is ${err.message}`);
-});
```
### goToLastRow
@@ -4527,14 +4641,7 @@ goToLastRow(): boolean
**示例:**
```js
-let predicates = new relationalStore.RdbPredicates("EMPLOYEE");
-let promise = store.query(predicates, ["ID", "NAME", "AGE", "SALARY", "CODES"]);
-promise.then((resultSet) => {
resultSet.goToLastRow();
- resultSet.close();
-}).catch((err) => {
- console.error(`query failed, code is ${err.code},message is ${err.message}`);
-});
```
### goToNextRow
@@ -4562,14 +4669,7 @@ goToNextRow(): boolean
**示例:**
```js
-let predicates = new relationalStore.RdbPredicates("EMPLOYEE");
-let promise = store.query(predicates, ["ID", "NAME", "AGE", "SALARY", "CODES"]);
-promise.then((resultSet) => {
resultSet.goToNextRow();
- resultSet.close();
-}).catch((err) => {
- console.error(`query failed, code is ${err.code},message is ${err.message}`);
-});
```
### goToPreviousRow
@@ -4597,14 +4697,7 @@ goToPreviousRow(): boolean
**示例:**
```js
-let predicates = new relationalStore.RdbPredicates("EMPLOYEE");
-let promise = store.query(predicates, ["ID", "NAME", "AGE", "SALARY", "CODES"]);
-promise.then((resultSet) => {
resultSet.goToPreviousRow();
- resultSet.close();
-}).catch((err) => {
- console.error(`query failed, code is ${err.code},message is ${err.message}`);
-});
```
### getBlob
@@ -4857,13 +4950,7 @@ close(): void
**示例:**
```js
-let predicatesClose = new relationalStore.RdbPredicates("EMPLOYEE");
-let promiseClose = store.query(predicatesClose, ["ID", "NAME", "AGE", "SALARY", "CODES"]);
-promiseClose.then((resultSet) => {
resultSet.close();
-}).catch((err) => {
- console.error(`resultset close failed, code is ${err.code},message is ${err.message}`);
-});
```
**错误码:**