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"); }
[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">是否是顶级标题的描述信息</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();