public class Staff
    {
        public int StaffID { get; set; }
        [Required]
        [DisplayName("姓名")]
        public string Name { get; set; }
        [DisplayName("职务")]
        public string Position { get; set; }
        [DisplayName("所属部门")]
        public int DepartmentID { get; set; }

        public Department Department { get; set; }
    }