一、普通调用
public enum NoticeType
{
Notice = 'A',
LabRule = 'H',
HotInformation = 'N',
Column = 'C',
All = '1',
Null = '0'
}
private void button1_Click(object sender, EventArgs e)
{
//新建枚举类型
NoticeType noticeType1 = NoticeType.Column;
//把枚举类型转换为string d="Column"
string d = noticeType1.ToString();
//取得枚举类型的基数 'C'
char dd = (char)noticeType1;
//通过基数取得对应的枚举类型
NoticeType noticeType2 = (NoticeType)Char.Parse("A");//Notice
//通过名称取得枚举类型
NoticeType noticeType3 = (NoticeType)Enum.Parse(typeof(NoticeType), "Notice");
}
二、获取描述信息
[Description("会员等级")]
enum MemberLevel
{
[Description("金牌会员")]
gold = 1,
[Description("银牌会员")]
silver = 2,
[Description("铜牌会员")]
copper = 3
}
/// <summary>
///
/// </summary>
/// <param name="value">枚举值</param>
/// <param name="isTop">是否是*标题的描述信息</param>
/// <returns></returns>
public static string GetDescription(this Enum value, bool isTop = false)
{
Type enumType = value.GetType();
DescriptionAttribute attr = null;
if (isTop)
{
attr = (DescriptionAttribute)Attribute.GetCustomAttribute(enumType, typeof(DescriptionAttribute));
}
else
{
// 获取枚举常数名称。
string name = Enum.GetName(enumType, value);
if (name != null)
{
// 获取枚举字段。
FieldInfo fieldInfo = enumType.GetField(name);
if (fieldInfo != null)
{
// 获取描述的属性。
attr = Attribute.GetCustomAttribute(fieldInfo, typeof(DescriptionAttribute), false) as DescriptionAttribute;
}
}
}
if (attr != null && !string.IsNullOrEmpty(attr.Description))
return attr.Description;
else
return string.Empty;
}
调用
MemberLevel gold = MemberLevel.gold;
Console.WriteLine(gold.GetDescription());
System.Console.Read();