提交 4e6ab05f 编写于 作者: W wangkai

change 16_08

Signed-off-by: Nwangkai <wangkai424@huawei.com>
上级 a17e2e9f
......@@ -3755,6 +3755,9 @@ try {
sync(deviceIds: string[], mode: SyncMode, delayMs?: number): void
在手动同步方式下,触发数据库同步。关于分布式数据服务的同步方式说明,请见[分布式数据服务概述](../../database/database-mdds-overview.md)
> **说明:**
>
> 其中deviceIds通过调用[deviceManager.getTrustedDeviceListSync](js-apis-device-manager.md#gettrusteddevicelistsync)方法得到。deviceManager模块的接口均为系统接口,仅系统应用可用。
**需要权限**: ohos.permission.DISTRIBUTED_DATASYNC。
......@@ -3771,8 +3774,42 @@ sync(deviceIds: string[], mode: SyncMode, delayMs?: number): void
**示例:**
```js
import deviceManager from '@ohos.distributedHardware.deviceManager';
let devManager;
let kvStore;
kvStore.sync(['deviceIds'], distributedData.SyncMode.PULL_ONLY, 1000);
const KEY_TEST_SYNC_ELEMENT = 'key_test_sync';
const VALUE_TEST_SYNC_ELEMENT = 'value-string-001';
// create deviceManager
deviceManager.createDeviceManager('bundleName', (err, value) => {
if (!err) {
devManager = value;
let deviceIds = [];
if (devManager != null) {
var devices = devManager.getTrustedDeviceListSync();
for (var i = 0; i < devices.length; i++) {
deviceIds[i] = devices[i].deviceId;
}
}
try {
kvStore.on('syncComplete', function (data) {
console.log('Sync dataChange');
});
kvStore.put(KEY_TEST_SYNC_ELEMENT + 'testSync101', VALUE_TEST_SYNC_ELEMENT, function (err, data) {
if (err != undefined) {
console.error(`Fail to sync.code is ${err.code},message is ${err.message}`);
return;
}
console.log('Succeeded in putting data');
const devices = ['deviceList'];
const mode = distributedKVStore.SyncMode.PULL_ONLY;
kvStore.sync(devices, mode, 1000);
});
} catch (e) {
console.error(`Fail to sync.code is ${e.code},message is ${e.message}`);
}
}
});
```
### on('dataChange')<sup>8+</sup>
......
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