仅当在Json.Net中未明确设置PropertyName时才使用CamelCase吗?

问题描述

我正在将Json.Net用于我的网站.我希望序列化程序默认情况下在驼峰式情况下序列化属性名称.我不希望它更改我手动分配的属性名称.我有以下代码:

I'm using Json.Net for my website. I want the serializer to serialize property names in camelcase by default. I don't want it to change property names that I manually assign. I have the following code:

public class TestClass
{
    public string NormalProperty { get; set; }

    [JsonProperty(PropertyName = "CustomName")]
    public string ConfiguredProperty { get; set; }
}

public void Experiment()
{
    var data = new TestClass { NormalProperty = null, 
        ConfiguredProperty = null };

    var result = JsonConvert.SerializeObject(data,
        Formatting.None,
        new JsonSerializerSettings {ContractResolver
            = new CamelCasePropertyNamesContractResolver()}
        );
    Console.Write(result);
}

Experiment的输出是:

{"normalProperty":null,"customName":null}

但是，我希望输出为:

{"normalProperty":null,"CustomName":null}

这有可能实现吗?

推荐答案

您可以像这样覆盖CamelCasePropertyNamesContractResolver类:

class CamelCase : CamelCasePropertyNamesContractResolver
{
    protected override JsonProperty CreateProperty(MemberInfo member,
        MemberSerialization memberSerialization)
    {
        var res = base.CreateProperty(member, memberSerialization);

        var attrs = member
            .GetCustomAttributes(typeof(JsonPropertyAttribute),true);
        if (attrs.Any())
        {
            var attr = (attrs[0] as JsonPropertyAttribute);
            if (res.PropertyName != null)
                res.PropertyName = attr.PropertyName;
        }

        return res;
    }
}

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