protected override bool DatabaseExists()
{
return(ReadOnlyRepository != null && ReadOnlyRepository.Count() > 0);
}
/// <summary>
/// 是否存在
/// </summary>
/// <param name="userName">用户名</param>
/// <returns>是否存在</returns>
public bool IsExist(string userName)
{
return(ReadOnlyRepository.Count(e => e.UserName == userName) > 0);
}
