private string GetWeek()
        {
            string week = string.Empty;
            switch ((int)DateTime.Now.DayOfWeek)
            {
                case 0:
                    week = "星期日";
                    break;
                case 1:
                    week = "星期一";
                    break;
                case 2:
                    week = "星期二";
                    break;
                case 3:
                    week = "星期三";
                    break;
                case 4:
                    week = "星期四";
                    break;
                case 5:
                    week = "星期五";
                    break;
                default:
                    week = "星期六";
                    break;
            }
            return week;
        }