1、枚举类型关键字是enum，我在这里定义一个枚举，注意是在命名空间的下面。enumweek{周一,周二,周三,周四,周五,周六,周日}
3、接下来我们输入输出语句，将定义的七个数输出。觊皱筠桡Console.WriteLine(Monday);Console.WriteLine(Tu髫潋啜缅esday);Console.WriteLine(Wednesday);Console.WriteLine(Thursday);Console.WriteLine(Friday);Console.WriteLine(Saturday);Console.WriteLine(Weekday);
