CaiQie/RfidWeb/UserManager.cs

using NewLife.Caching;

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using DB.Dto;

namespace RfidWeb
{
    /// <summary>
    /// 因为用户只有一个所有key是固定的
    /// </summary>
    public static class UserManager
    {
        private static readonly string key = "HaiWei";
        private static ICache cache = Cache.Default;

        public static void Add(UserDto dto)
        {
            cache.Set(key, dto, TimeSpan.FromMinutes(5));
        }

        public static UserDto GetUser()
        {
          return  cache.Get<UserDto>(key);
        }

        public static bool IsExit()
        {
            return cache.ContainsKey(key);
        }

        public static void RestoreTime()
        {
            if (IsExit())
            {
                cache.SetExpire(key, TimeSpan.FromMinutes(5));
            }
        }
    }
}