在C#中,枚举可以具有关联的Description属性,这些属性为每个枚举值提供描述性文本。要根据枚举检索描述,您可以使用以下步骤:
<code class="language-csharp">public enum MyEnum { Name1 = 1, [Description("另一个描述")] HereIsAnother = 2, [Description("最后一个描述")] LastOne = 3 }</code>
<code class="language-csharp">public static string GetEnumDescription(Enum value) { FieldInfo fi = value.GetType().GetField(value.ToString()); DescriptionAttribute[] attributes = fi.GetCustomAttributes(typeof(DescriptionAttribute), false) as DescriptionAttribute[]; if (attributes != null && attributes.Length > 0) { return attributes[0].Description; } return value.ToString(); }</code>
<code class="language-csharp">var myEnumDescriptions = from MyEnum n in Enum.GetValues(typeof(MyEnum)) select new { ID = (int)n, Name = GetEnumDescription(n) };</code>
现在,要根据其整数值检索枚举值的描述,您可以:
<code class="language-csharp">int value = 1; string description = GetEnumDescription((MyEnum)value);</code>
这会将整数值转换为枚举类型,并将其传递给GetEnumDescription函数,该函数将返回相应的描述。
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