调试易

List<string> users = new List<string> { "B", "C", "D", "E" };
            List<string> usersTemp = new List<string>();
            Random rd = new Random();
            for (int i = 0; i < 365; i++)
            {
                DateTime date = DateTime.Now.AddDays(i);
                int day = (int)date.DayOfWeek;
                if (day == 1)
                {
                    // A值班
                }
                else if (day > 1 && day < 6)
                {
                    if (usersTemp.Count == 0)
                    {
                        usersTemp.AddRange(users);
                    }
                    // 取随机数
                    int n = rd.Next(0, usersTemp.Count - 1);
                    // 获取值班人
                    string user = usersTemp[n];
                    // 移除已经排版的
                    usersTemp.RemoveAt(n);
                }
            }

 public static void aa()
        {
            List<string> users = new List<string> { "B", "C", "D", "E" };
            List<string> usersTemp = new List<string>();
            List<string>valueList=new List<string>();
            bool isOne = true;
            for (int i = 0; i < 365; i++)
            {
                DateTime date = DateTime.Now.AddDays(i);
                int day = (int)date.DayOfWeek;
                if (day == 1)
                {
                    // A值班
                    usersTemp.Add("a");
                    //第一次之后把数组的第一个值放到最后面
                    if (!isOne)
                    {
                        string value = users[0];
                        users.RemoveAt(0);
                        users.Add(value);
                    }
                }
                else if (day > 1 && day < 6)
                {
                    isOne = false;
                    string value = users[0];
                    usersTemp.Add(users[day - 2]);
                    
                }
            }
        }