//Main_8_4_2
public static void Main_8_4_2()
{
//��GetName��ȡö�ٳ������Ƶ�����
foreach (string item in Enum.GetNames(typeof(Week)))
{
Console.WriteLine(item.ToString());
}
//��GetValues��ȡö�ٳ���ֵ������
foreach (Week item in Enum.GetValues(typeof(Week)))
{
Console.WriteLine("{0} : {1}", item.ToString("D"), item.ToString());
}
//��IsDefined�������жϷ��Ż�������������ö��
if (Enum.IsDefined(typeof(Week), "Fri"))
{
Console.WriteLine("Today is {0}.", Week.Fri.ToString("G"));
}
//���������߷��������ַ���ת��Ϊ��Ч��ö������
Week myday = (Week)Enum.Parse(typeof(Week), "Mon", true);
Console.WriteLine(myday);
//��ͬ����ֵ�ĵ�Чӳ��
Week theDay = (Week)Enum.Parse(typeof(Week), "7");
Console.WriteLine(theDay.ToString());
//��GetUnderlyingType������������
Console.WriteLine(Enum.GetUnderlyingType(typeof(Week)));
//ö�����ͺ��������͵��ת��
//ö��ת��Ϊ����
int i = (int)Week.Sun;
//������ת��Ϊö��
Week day = (Week)Enum.Parse(typeof(Week), "10");
Console.WriteLine(day.ToString());
Week da2y = (Week)3;
da2y++;
Console.WriteLine(da2y.ToString());
//��ͬö�����͵��ת��
MusicType mtToday = MusicType.Jazz;
Week today = (Week)mtToday;
Console.WriteLine(today.ToString());
//ö�����ͺͽӿ����͵�ת��
IConvertible iConvert = (IConvertible)MusicType.Jazz;
Int32 x = iConvert.ToInt32(CultureInfo.CurrentCulture);
Console.WriteLine(x);
//ö�ٵij�ʼ��
Week myweek = new Week();
Console.WriteLine(myweek.ToString("G"));
Console.WriteLine("***************************************");
WithZero wz = new WithZero();
Console.WriteLine(wz.ToString("G"));
WithNonZero wnz = new WithNonZero();
Console.WriteLine(wnz.ToString("G"));
//ִ�н��
//Zero
//0
}
public static void Main_8_4_2()//Main_8_4_2
{
//由GetName获取枚举常数名称的数组
foreach (string item in Enum.GetNames(typeof(Week)))
{
Console.WriteLine(item.ToString());
}
//由GetValues获取枚举常数值的数组
foreach (Week item in Enum.GetValues(typeof(Week)))
{
Console.WriteLine("{0} : {1}", item.ToString("D"), item.ToString());
}
//以IsDefined方法来判断符号或者整数存在于枚举
if (Enum.IsDefined(typeof(Week), "Fri"))
{
Console.WriteLine("Today is {0}.", Week.Fri.ToString("G"));
}
//将整数或者符号名称字符串转换为等效的枚举类型
Week myday = (Week)Enum.Parse(typeof(Week), "Mon", true);
Console.WriteLine(myday);
//相同关联值的等效映射
Week theDay = (Week)Enum.Parse(typeof(Week), "7");
Console.WriteLine(theDay.ToString());
//以GetUnderlyingType返回声明类型
Console.WriteLine(Enum.GetUnderlyingType(typeof(Week)));
//枚举类型和整数类型的相互转换
//枚举转换为整数
int i = (int)Week.Sun;
//将整数转换为枚举
Week day = (Week)Enum.Parse(typeof(Week), "10");
Console.WriteLine(day.ToString());
Week da2y = (Week)3;
da2y++;
Console.WriteLine(da2y.ToString());
//不同枚举类型的相互转换
MusicType mtToday = MusicType.Jazz;
Week today = (Week)mtToday;
Console.WriteLine(today.ToString());
//枚举类型和接口类型的转换
IConvertible iConvert = (IConvertible)MusicType.Jazz;
Int32 x = iConvert.ToInt32(CultureInfo.CurrentCulture);
Console.WriteLine(x);
//枚举的初始化
Week myweek = new Week();
Console.WriteLine(myweek.ToString("G"));
Console.WriteLine("***************************************");
WithZero wz = new WithZero();
Console.WriteLine(wz.ToString("G"));
WithNonZero wnz = new WithNonZero();
Console.WriteLine(wnz.ToString("G"));
//执行结果
//Zero
//0
}
