/// <summary>
        /// 判断用户是否至少含有一个角色
        /// </summary>
        /// <param name="user"></param>
        /// <param name="requiredRoleNames">待检测用户角色集合</param>
        /// <returns></returns>
        public static bool IsInRoles(this User user, params string[] requiredRoleNames)
        {
            if (user == null)
            {
                return(false);
            }

            RolesService rolesService = DIContainer.Resolve <RolesService>();

            return(rolesService.IsUserInRoles(user.UserId, requiredRoleNames));
        }
        /// <summary>
        /// 判断是否可以登录后台
        /// </summary>
        /// <param name="user"></param>
        /// <returns></returns>
        public static bool IsAllowEntryManager(this User user)
        {
            RolesService        rolesService = DIContainer.Resolve <RolesService>();
            IEnumerable <Roles> roleNames    = rolesService.GetRolesByConnectToUser(true);

            foreach (ApplicationidEnum item in Enum.GetValues(typeof(ApplicationidEnum)))
            {
                IEnumerable <Roles> list = roleNames.Where(w => w.Applicationid == (int)item);
                if (list != null && list.Count() > 0)
                {
                    ApplicationRoleNames.Add((int)item, list.Select(w => w.Rolename));
                }
            }
            if (user.IsSuperAdministrator() || user.IsContentAdministrator())
            {
                return(true);
            }
            return(user.IsInRoles(ApplicationRoleNames.GetAll().ToArray()));
        }
        /// <summary>
        /// 获取用户拥有的角色集合
        /// </summary>
        /// <param name="user">用户对象</param>
        /// <param name="isPublic">是否仅获取对外公开的角色</param>
        /// <returns></returns>
        public static IEnumerable <string> GetUserInRoles(this User user, bool isPublic = false)
        {
            RolesService rolesService = DIContainer.Resolve <RolesService>();

            return(rolesService.GetRolesNamesInUser(user.UserId, isPublic));
        }
        /// <summary>
        /// 判断用户是否是内容管理员
        /// </summary>
        /// <param name="user"></param>
        /// <returns></returns>
        public static bool IsContentAdministrator(this User user)
        {
            RolesService roleService = DIContainer.Resolve <RolesService>();

            return(roleService.IsUserInRoles(user.UserId, RoleNames.Instance().ContentAdministrator()));
        }