/// <summary>
/// 验证缓存项是否存在
/// </summary>
/// <param name="key">缓存Key</param>
/// <returns></returns>
public static async Task <bool> Exists(string key)
{
if (string.IsNullOrEmpty(key))
{
throw new ArgumentNullException(nameof(key));
}
switch (cacheProvider)
{
case Define.CACHEPROVIDER_REDIS:
return(await BaseHelper.ExistsAsync(key));
case Define.CACHEPROVIDER_MEMORY:
return(MemoryCacheHelper.Exists(key));
default:
return(MemoryCacheHelper.Exists(key));
}
}
