#鸿蒙学习大百科#如何设置键值型数据库的安全级别？

import distributedKVStore from '@ohos.data.distributedKVStore';
import { BusinessError } from '@ohos.base';

let kvManager: distributedKVStore.KVManager;
let kvStore: distributedKVStore.SingleKVStore;
let context = getContext(this);
const kvManagerConfig: distributedKVStore.KVManagerConfig = {
  context: context,
  bundleName: 'com.example.datamanagertest'
}
try {
  kvManager = distributedKVStore.createKVManager(kvManagerConfig);
  console.info('Succeeded in creating KVManager.');
  try {
    const options: distributedKVStore.Options = {
      createIfMissing: true,
      encrypt: true,
      backup: false,
      autoSync: false,
      kvStoreType: distributedKVStore.KVStoreType.SINGLE_VERSION,
      securityLevel: distributedKVStore.SecurityLevel.S1//安全等级为S1
    };
    kvManager.getKVStore<distributedKVStore.SingleKVStore>('storeId', options, (err, store: distributedKVStore.SingleKVStore) => {
      if (err) {
        console.error(`Failed to get KVStore. Code:${err.code},message:${err.message}`);
        return;
      }
      console.info('Succeeded in getting KVStore.');
      kvStore = store;
    });
  } catch (e) {
    let error = e as BusinessError;
    console.error(`An unexpected error occurred. Code:${error.code},message:${error.message}`);
  }
} catch (e) {
  let error = e as BusinessError;
  console.error(`Failed to create KVManager. Code:${error.code},message:${error.message}`);
}