Web API 序列化从小写字母开始的属性

问题描述

如何配置我的 Web API 的序列化以使用 camelCase(从小写字母开始)属性名称，而不是像在 C# 中那样使用 PascalCase.

How can I configure serialization of my Web API to use camelCase (starting from lowercase letter) property names instead of PascalCase like it is in C#.

我可以为整个项目全局做吗?

Can I do it globally for the whole project?

推荐答案

如果你想改变 Newtonsoft.Json aka JSON.NET 中的序列化行为，你需要创建你的设置:

If you want to change serialization behavior in Newtonsoft.Json aka JSON.NET, you need to create your settings:

var jsonSerializer = JsonSerializer.Create(new JsonSerializerSettings
{
    ContractResolver = new CamelCasePropertyNamesContractResolver(),
    NullValueHandling = NullValueHandling.Ignore // ignore null values
});

您也可以将这些设置传递给 JsonConvert.SerializeObject:

You can also pass these settings into JsonConvert.SerializeObject:

JsonConvert.SerializeObject(objectToSerialize, serializerSettings);

用于 ASP.NET MVC 和 Web API.在 Global.asax 中:

protected void Application_Start()
{
   GlobalConfiguration.Configuration
      .Formatters
      .JsonFormatter
      .SerializerSettings
      .ContractResolver = new CamelCasePropertyNamesContractResolver();
}

排除空值:

GlobalConfiguration.Configuration
    .Formatters
    .JsonFormatter
    .SerializerSettings
    .NullValueHandling = NullValueHandling.Ignore;

表示结果 JSON 中不应包含空值.

Indicates that null values should not be included in resulting JSON.

ASP.NET Core 默认以驼峰格式序列化值.

ASP.NET Core by default serializes values in camelCase format.

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