public bool Get <TValue>(string key, TimeSpan absoluteExpiration, out TValue value)
where TValue : class
{
value = default;
if (_localMemoryCache.Get(key, out TValue cacheValue))
{
value = cacheValue;
}
else
{
var redisValue = _redis.StringGet(RedisKey.GetAPIRedisKey(key));
if (!string.IsNullOrEmpty(redisValue))
{
value = JsonConvert.DeserializeObject <TValue>(redisValue);
_localMemoryCache.SetDataOrEmptyTag(key, value, absoluteExpiration);
}
else
{
return(false);
}
}
return(true);
}
/// <summary>
/// 本地DB数据，走MemoryCache
/// </summary>
/// <returns></returns>
public async Task <ApiResponse <IEnumerable <UserDTO> > > GetUser()
{
var cacheKey = "userListcacheKey";
IEnumerable <UserDTO> userList;
IEnumerable <UserDTO> cacheValue;
Func <Task <IEnumerable <UserDTO> > > func = async() =>
{
_logger.LogInformation("init getuser");
if (_localMemoryCache.Get(cacheKey, out cacheValue))
{
userList = cacheValue;
}
else
{
userList = await _testRepository.GetUser();
_localMemoryCache.SetDataOrEmptyTag(cacheKey, userList, Expiration);
}
return(userList);
};
var errorMessage = "获取用户信息失败";
return(await ServiceHandlerAsync(func, errorMessage));
}
