JsonNetResult

public class JsonNetResult : JsonResult
    {
        public JsonNetResult()
        {
            Settings = new JsonSerializerSettings
            {
                ReferenceLoopHandling = ReferenceLoopHandling.Ignore,//忽略循环引用，如果设置为Error，则遇到循环引用的时候报错（建议设置为Error，这样更规范）
                DateFormatString = "yyyy-MM-dd HH:mm:ss",//日期格式化，默认的格式也不好看
                ContractResolver = new Newtonsoft.Json.Serialization.CamelCasePropertyNamesContractResolver()//json中属性开头字母小写的驼峰命名
            };
        }
        public JsonSerializerSettings Settings { get; private set; }
        public override void ExecuteResult(ControllerContext context)
        {
            if (context == null)
                throw new ArgumentNullException("context");
            if (this.JsonRequestBehavior == JsonRequestBehavior.DenyGet
                && string.Equals(context.HttpContext.Request.HttpMethod, "GET", StringComparison.OrdinalIgnoreCase))
                throw new InvalidOperationException("JSON GET is not allowed");
            HttpResponseBase response = context.HttpContext.Response;
            response.ContentType = string.IsNullOrEmpty(this.ContentType) ? "application/json" : this.ContentType;
            if (this.ContentEncoding != null)
                response.ContentEncoding = this.ContentEncoding;
            if (this.Data == null)
                return;
            var scriptSerializer = JsonSerializer.Create(this.Settings);
            scriptSerializer.Serialize(response.Output, this.Data);
        }
    }