Net Core中使用Newtonsoft.Json进行序列化保持原有大小写

 ?JsonSerializerSettings settings = new JsonSerializerSettings(); ???//EF Core中默认为驼峰样式序列化处理key ???//settings.ContractResolver = new CamelCasePropertyNamesContractResolver(); ???//使用默认方式，不更改元数据的key的大小写 ???settings.ContractResolver = new DefaultContractResolver(); ???return Json(data, settings);

public void ConfigureServices(IServiceCollection services){ ???// Add framework services. ???services.AddMvc() ???????//全局配置Json序列化处理 ???????.AddJsonOptions(options => ???????{ ???????????//忽略循环引用 ???????????options.SerializerSettings.ReferenceLoopHandling = ReferenceLoopHandling.Ignore; ???????????//不更改元数据的key的大小写 ???????????options.SerializerSettings.ContractResolver = new DefaultContractResolver(); ???????} ???????);}