/// <summary>
/// 实例化类
/// 默认过期120分钟
/// </summary>
/// <param name="context"></param>
/// <param name="IsReadOnly"></param>
/// <param name="Timeout">单位（分）</param>
public RedisSession(HttpContext context, bool IsReadOnly, int Timeout = 120)
{
this.context = context;
this.IsReadOnly = IsReadOnly;
this.Timeout = Timeout;
TimeSpan ts = new TimeSpan((DateTime.Now.AddMinutes(Timeout) - DateTime.Now).Ticks);
//更新缓存过期时间
RedisProvider.CacheKeyExpire(SessionID, ts);
}