使用JSON.net将枚举容器序列化为字符串

问题描述：

您可以通过添加属性来将WebAPI模型中的枚举字段序列化为字符串:

You can serialize an enum field in an WebAPI model as a string by adding an attribute:

enum Size
{
    Small,
    Medium,
    Large
}

class Example1
{
    [Newtonsoft.Json.JsonConverter(typeof(Newtonsoft.Json.Converters.StringEnumConverter))]
    Size Size { get; set; }
}

这将序列化为此JSON:

This will serialize to this JSON:

{
  "Size": "Medium"
}

如何为枚举集合完成相同的操作?

How can I accomplish the same for a collections of enums?

class Example2
{
    IList<Size> Sizes { get; set; }
}

我想序列化为该JSON:

I want to serialize to this JSON:

{
  "Sizes":
  [
    "Medium",
    "Large"
  ]
}

答

您需要使用

You need to use JsonPropertyAttribute.ItemConverterType property:

class Example2
{
    [JsonProperty (ItemConverterType = typeof(StringEnumConverter))]
    public IList<Size> Sizes { get; set; }
}

使用JSON.net将枚举容器序列化为字符串

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