简单的人事考勤系统的C#代码示例

csusing System;
using System.Collections.Generic;

namespace AttendanceSystem
{
    public class Employee
    {
        public string Name { get; set; }
        public string Id { get; set; }
        public List<DateTime> Attendance { get; set; } = new List<DateTime>();
    }

    public class AttendanceSystem
    {
        private Dictionary<string, Employee> _employees = new Dictionary<string, Employee>();
        private Dictionary<string, List<DateTime>> _attendanceRecords = new Dictionary<string, List<DateTime>>();

        public AttendanceSystem()
        {
            _employees["Employee1"] = new Employee { Name = "Employee1", Id = "E1" };
            _employees["Employee2"] = new Employee { Name = "Employee2", Id = &