public ObservableCollection <RoleInfoDto> GetRoleInfos(int level)
        {
            ObservableCollection <RoleInfoDto> infos = new ObservableCollection <RoleInfoDto>();

            try
            {
                using (var scope = new PressDBEntities())
                {
                    var list = scope.RoleInfo.Where(x => x.Level >= level && x.IsDel == false).ToList();

                    list.ForEach(x => infos.Add(new RoleInfoDto()
                    {
                        Id             = x.Id,
                        Name           = x.Name,
                        Level          = x.Level,
                        CreateDateTime = x.CreateDateTime,
                        isDel          = x.IsDel
                    }));
                }

                return(infos);
            }
            catch
            {
                return(null);
            }
        }
        public bool AuthR(int level, string password)
        {
            try
            {
                using (var scope = new PressDBEntities())
                {
                    var item = scope.RoleInfo.Where(x => x.Level == level && x.IsDel == false).FirstOrDefault();

                    if (item != null)
                    {
                        var temp = password.ToMD5();
                        if (item.Password == password.ToMD5())
                        {
                            return(true);
                        }
                    }
                }

                return(false);
            }
            catch
            {
                return(false);
            }
        }
        public RoleInfoDto GetInitial()
        {
            try
            {
                using (var scope = new PressDBEntities())
                {
                    var item = scope.RoleInfo.Where(x => x.Level == 5 && x.IsDel == false).FirstOrDefault();

                    return(new RoleInfoDto()
                    {
                        Id = item.Id,
                        Name = item.Name,
                        Level = item.Level,
                        CreateDateTime = item.CreateDateTime,
                        isDel = item.IsDel
                    });
                }
            }
            catch (Exception ex)
            {
                return(null);
            }
        }