分布式存储数据的方法

// EntryAbility.ets
export default class EntryAbility extends UIAbility {
  onContinue(wantParam: Record<string, Object | undefined>): AbilityConstant.OnContinueResult {
    // The data to be migrated is stored in wantParam.
    wantParam.appendix = JSON.stringify(AppStorage.get<Array<AppendixBean>>('appendix'));
    try {
      let sessionId: string = distributedDataObject.genSessionId();
      if (this.localObject) {
        this.localObject.setSessionId(sessionId);
        this.localObject['recipient'] = AppStorage.get('recipient');
        this.localObject['sender'] = AppStorage.get('sender');
        this.localObject['subject'] = AppStorage.get('subject');
        this.localObject['emailContent'] = AppStorage.get('emailContent');
        this.targetDeviceId = wantParam.targetDevice as string;
        this.localObject.save(wantParam.targetDevice as string).then(() => {
          Logger.info('onContinue localObject save success');
        }).catch((err: BusinessError) => {
          Logger.error(`Failed to save. Code:${err.code},message:${err.message}`);
        });
      }
      wantParam.distributedSessionId = sessionId;
    } catch (error) {
      Logger.error('EntryAbility', 'distributedDataObject failed', `code ${(error as BusinessError).code}`);
    }
    return AbilityConstant.OnContinueResult.AGREE;
  }
}