直接贴代码了：
using System;using System.Web.Mvc;using Newtonsoft.Json;namespace MvcSample.Extensions{ ???public class ConverterJsonResult : JsonResult ???{ ???????#region Fields ???????private readonly JsonConverter[] _converters; ???????#endregion ???????#region Ctor ???????public ConverterJsonResult(params JsonConverter[] converters) ???????{ ???????????_converters = converters; ???????} ???????#endregion ???????#region Methods ???????public override void ExecuteResult(ControllerContext context) ???????{ ???????????if (context == null) ???????????????throw new ArgumentNullException("context"); ???????????if (context.HttpContext == null || context.HttpContext.Response == null) ???????????????return; ???????????context.HttpContext.Response.ContentType = !string.IsNullOrEmpty(ContentType) ? ContentType : "application/json"; ???????????if (ContentEncoding != null) ???????????????context.HttpContext.Response.ContentEncoding = ContentEncoding; ???????????if (Data != null) ???????????????context.HttpContext.Response.Write(JsonConvert.SerializeObject(Data, _converters)); ???????} ???????#endregion ???}}谢谢浏览！
ASP.NET MVC 下自定义 JsonResult，使用 Json.NET 序列化 JSON
原文地址：https://www.cnblogs.com/Music/p/custom-json-result-in-asp-net-mvc.html