C# 中 DayOfWeek 是从星期天开始的，而不是星期一，所以：Response.Write(Convert.ToInt32(DayOfWeek.Sunday).ToString());//0Response.Write(Convert.ToInt32(DayOfWeek.Monday...

 mysql>selectdayofweek(curdate())-1;+------------------------+|dayofweek(curdate())-1|+------------------------+|0|+------------------------+1rowinset(0...