本文介绍了从枚举获取XmlEnumAttribute的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!

问题描述

我有枚举:

public enum Operation {
    /// <remarks/>
    [System.Xml.Serialization.XmlEnumAttribute("01")]
    Item01,

    /// <remarks/>
    [System.Xml.Serialization.XmlEnumAttribute("02")]
    Item02,

    /// <remarks/>
    [System.Xml.Serialization.XmlEnumAttribute("03")]
    Item03,

    /// <remarks/>
    [System.Xml.Serialization.XmlEnumAttribute("04")]
    Item04,
}

我怎样才能得到XmlEnumAttribute值

How I can get XmlEnumAttribute value?

我想在那?

var res = Operation.Item1;
var result = (res.GetType().GetField("Item01").GetCustomAttributes(typeof(XmlEnumAttribute), true)[0] as XmlEnumAttribute).Name;



可能存在更好的方法?

May be exists better method?

推荐答案

您可以创建一个帮手(静态)类,这种扩展方法

You could create an helper (static) class, with this extension method

public static string GetXmlEnumAttributeValueFromEnum<TEnum>(this TEnum value) where TEnum : struct, IConvertible
        {
            var enumType = typeof(TEnum);
            if (!enumType.IsEnum) return null;//or string.Empty, or throw exception

            var member = enumType.GetMember(value.ToString()).FirstOrDefault();
            if (member == null) return null;//or string.Empty, or throw exception

            var attribute = member.GetCustomAttributes(false).OfType<XmlEnumAttribute>().FirstOrDefault();
            if (attribute == null) return null;//or string.Empty, or throw exception
            return attribute.Name;
        }



使用

usage

var res = Operation.Item1;
var result = res.GetXmlAttributeValueFromEnum();

这篇关于从枚举获取XmlEnumAttribute的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持!

07-30 18:58