先申明一个枚举：
public enum Test_Enum
{
one = 1001, two = 1002, three = 1003, four = 1004, five = 1005, six = 1006, seven = 1007, eight = 1008, nine = 1009, zero = 1000
}
获取值：
object ojb = Enum.GetName(typeof(Test_Enum),Test_Enum.eight);
int i = (int)Test_Enum.eight;