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Signed-off-by: N ltdong <donglongtao@huawei.com>

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Signed-off-by: N ltdong <donglongtao@huawei.com>
e0c81297 · ltdong · bcad6d6e · e0c81297
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内联并排

Showing with 48 addition and 34 deletion

zh-cn/application-dev/reference/apis/js-apis-data-rdb.md zh-cn/application-dev/reference/apis/js-apis-data-rdb.md +48 -34

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--- a/zh-cn/application-dev/reference/apis/js-apis-data-rdb.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-data-rdb.md
@@ -1765,7 +1765,7 @@ remoteQuery(device: string, table: string, predicates: RdbPredicates, columns: A
 ```js
 let predicates = new data_rdb.RdbPredicates('EMPLOYEE')
 predicates.greaterThan("id", 0)
-let promise = rdbStore.remoteQuery("deviceId", "EMPLOYEE", predicates)
+let promise = rdbStore.remoteQuery("deviceId", "EMPLOYEE", predicates, ["ID", "NAME", "AGE", "SALARY", "CODES"])
 promise.then((resultSet) => {
    console.info("ResultSet column names: " + resultSet.columnNames)
    console.info("ResultSet column count: " + resultSet.columnCount)
@@ -1909,15 +1909,20 @@ beginTransaction():void
 **示例：**
 ```js
-rdbStore.beginTransaction()
+import featureAbility from '@ohos.ability.featureAbility'
-const valueBucket = {
+var context = featureAbility.getContext()
-    "name": "lisi",
+const STORE_CONFIG = { name: "RdbTest.db"}
-    "age": 18,
+data_rdb.getRdbStore(context, STORE_CONFIG, 1, async function (err, rdbStore) {
-    "salary": 100.5,
+    rdbStore.beginTransaction()
-    "blobType": new Uint8Array([1, 2, 3]),
+	const valueBucket = {
-}
+		"name": "lisi",
-await rdbStore.insert("test", valueBucket)
+		"age": 18,
-rdbStore.commit()
+		"salary": 100.5,
+		"blobType": new Uint8Array([1, 2, 3]),
+	}
+	await rdbStore.insert("test", valueBucket)
+	rdbStore.commit()
+})
 ```
 ### commit<sup>8+</sup>
@@ -1931,16 +1936,20 @@ commit():void
 **示例：**
 ```js
-rdbStore.beginTransaction()
+import featureAbility from '@ohos.ability.featureAbility'
-const valueBucket = {
+var context = featureAbility.getContext()
-    "name": "lisi",
+const STORE_CONFIG = { name: "RdbTest.db"}
-    "age": 18,
+data_rdb.getRdbStore(context, STORE_CONFIG, 1, async function (err, rdbStore) {
-    "salary": 100.5,
+    rdbStore.beginTransaction()
-    "blobType": new Uint8Array([1, 2, 3]),
+	const valueBucket = {
-}
+		"name": "lisi",
+		"age": 18,
-await rdbStore.insert("test", valueBucket)
+		"salary": 100.5,
-rdbStore.commit()
+		"blobType": new Uint8Array([1, 2, 3]),
+	}
+	await rdbStore.insert("test", valueBucket)
+	rdbStore.commit()
+})
 ```
 ### rollBack<sup>8+</sup>
@@ -1954,20 +1963,25 @@ rollBack():void
 **示例：**
 ```js
-try {
+import featureAbility from '@ohos.ability.featureAbility'
-    rdbStore.beginTransaction()
+var context = featureAbility.getContext()
-    const valueBucket = {
+const STORE_CONFIG = { name: "RdbTest.db"}
-        "id": 1,
+data_rdb.getRdbStore(context, STORE_CONFIG, 1, async function (err, rdbStore) {
-        "name": "lisi",
+    try {
-        "age": 18,
+		rdbStore.beginTransaction()
-        "salary": 100.5,
+		const valueBucket = {
-        "blobType": new Uint8Array([1, 2, 3]),
+			"id": 1,
-    }
+			"name": "lisi",
-    await rdbStore.insert("test", valueBucket)
+			"age": 18,
-    rdbStore.commit()
+			"salary": 100.5,
-} catch (e) {
+			"blobType": new Uint8Array([1, 2, 3]),
-    rdbStore.rollBack()
+		}
-}
+		await rdbStore.insert("test", valueBucket)
+		rdbStore.commit()
+	} catch (e) {
+		rdbStore.rollBack()
+	}
+})
 ```
 ### backup<sup>9+</sup>