枚举的字符串表示形式

问题：

I have the following enumeration: 我有以下列举：

public enum AuthenticationMethod
{
    FORMS = 1,
    WINDOWSAUTHENTICATION = 2,
    SINGLESIGNON = 3
}

The problem however is that I need the word "FORMS" when I ask for AuthenticationMethod.FORMS and not the id 1. 但是问题是，当我要求AuthenticationMethod.FORMS而不是ID 1时，我需要单词“ FORMS”。

I have found the following solution for this problem ( link ): 我已经找到以下针对此问题的解决方案（ link ）：

First I need to create a custom attribute called "StringValue": 首先，我需要创建一个名为“ StringValue”的自定义属性：

public class StringValue : System.Attribute
{
    private readonly string _value;

    public StringValue(string value)
    {
        _value = value;
    }

    public string Value
    {
        get { return _value; }
    }

}

Then I can add this attribute to my enumerator: 然后，我可以将此属性添加到我的枚举器中：

public enum AuthenticationMethod
{
    [StringValue("FORMS")]
    FORMS = 1,
    [StringValue("WINDOWS")]
    WINDOWSAUTHENTICATION = 2,
    [StringValue("SSO")]
    SINGLESIGNON = 3
}

And of course I need something to retrieve that StringValue: 当然，我需要一些东西来检索该StringValue：

public static class StringEnum
{
    public static string GetStringValue(Enum value)
    {
        string output = null;
        Type type = value.GetType();

        //Check first in our cached results...

        //Look for our 'StringValueAttribute' 

        //in the field's custom attributes

        FieldInfo fi = type.GetField(value.ToString());
        StringValue[] attrs =
           fi.GetCustomAttributes(typeof(StringValue),
                                   false) as StringValue[];
        if (attrs.Length > 0)
        {
            output = attrs[0].Value;
        }

        return output;
    }
}

Good now I've got the tools to get a string value for an enumerator. 好了，现在我有了一些工具来获取枚举器的字符串值。 I can then use it like this: 然后，我可以像这样使用它：

string valueOfAuthenticationMethod = StringEnum.GetStringValue(AuthenticationMethod.FORMS);

Okay now all of these work like a charm but I find it a whole lot of work. 好的，现在所有这些工作都像是一种魅力，但我发现它完成了很多工作。 I was wondering if there is a better solution for this. 我想知道是否有更好的解决方案。

I also tried something with a dictionary and static properties but that wasn't better either. 我也尝试了一些具有字典和静态属性的方法，但这也不是更好。

解决方案：

参考一： https://stackoom.com/question/1mOc/枚举的字符串表示形式
参考二： https://oldbug.net/q/1mOc/String-representation-of-an-Enum

来源：oschina

链接：https://my.oschina.net/u/3797416/blog/4319307

标签

moc