#鸿蒙学习大百科#键值型数据库如何开启订阅分布式数据变化？

//kvStore的获取省略
try {
  kvStore.on('dataChange', distributedKVStore.SubscribeType.SUBSCRIBE_TYPE_ALL, (data) => {
    console.info(`dataChange callback call data: ${data}`);
  });
} catch (e) {
  let error = e as BusinessError;
  console.error(`An unexpected error occurred. code:${error.code},message:${error.message}`);
}