如何配置JsonResult序列化器

问题描述

从控制器返回一些数据到视图时，我遇到一个问题，一个非常基本的Dictionary ，我找不到确切的原因。这是动作：

[HttpPost]
[ValidateAntiForgeryToken]
public ActionResult Login(Loginviewmodel model)
{
    if(ModelState.IsValid)
    {
        try
           {
                var userExists = db.UserAuth.Where(ua => ua.Email == model.Email).Count() > 0;
                if (userExists)
                {
                    var uAuth = db.UserAuth.Where(ua => ua.Email == model.Email).ToList();
                    if (uAuth[0].Senha == model.Senha)
                    {
                        if (Request.Cookies.Get("CookieLogged") == null)
                        {
                            var CookieLogged = new HttpCookie("CookieLogged");
                            CookieLogged.Value = "true";
                            CookieLogged.Expires = DateTime.Now.AddHours(4);
                            CookieLogged.SameSite = SameSiteMode.Strict;
                            Response.Cookies.Add(CookieLogged);
                        }
                        else
                        {
                            var Logged = Request.Cookies.Get("CookieLogged");
                            Logged.Value = "true";
                            Logged.Expires = DateTime.Now.AddHours(4);
                            Response.Cookies.Set(Logged);
                        }

                        var JsonRedirect = new Dictionary<string,string>();
                        JsonRedirect.Add("redirect",Url.Action("Index","Home"));
                        return Json(JsonRedirect);
                    }
                    else
                    {
                        var JsonWarning = new Dictionary<string,string>();
                        JsonWarning.Add("warning","Senha não confere");
                        string jsonString = JsonConvert.SerializeObject(JsonWarning);
                        return Content(jsonString,"application/json");
                    }
                }
                else
                {
                    var JsonWarning = new Dictionary<string,string>();
                    JsonWarning.Add("warning","Email não confere ou usuário não existe");
                    return Json(JsonWarning,JsonRequestBehavior.AllowGet);
                }
            }
            catch (Exception ex)
            {
                var JsonError = new Dictionary<string,Exception>();
                JsonError.Add("errorEx",ex);
                return Json(JsonError,JsonRequestBehavior.AllowGet);
            }
        }
        else
        {
            IDictionary<string,string> JsonWarning = new Dictionary<string,string>();
            JsonWarning.Add("warning","Dados inválidos");
            return Content(JsonConvert.SerializeObject(JsonWarning),"application/json");
        }

        
    }

它在本地运行正常，但是一旦我将其发布到托管站点，它就会中断。请求返回500，错误消息显示system.invalidOperationException: A circular reference was detected while serializing an object of type 'System.Reflection.RuntimeModule'. ，堆栈跟踪提示我问题可能出在字典的序列化方式上，但这只是一个猜测。错误的堆栈跟踪：

System.Web.Script.Serialization.JavaScriptSerializer.SerializeValueInternal（Object o，StringBuilder sb，Int32深度，Hashtable objectsInUse，SerializationFormat serializationFormat，MemberInfo currentMember）+1446 System.Web.Script.Serialization.JavaScriptSerializer.SerializeValue（对象o，StringBuilder sb，Int32深度，Hashtable objectsInUse，SerializationFormat serializationFormat，MemberInfo currentMember）+195 System.Web.Script.Serialization.JavaScriptSerializer.SerializeCustomObject（Object o，StringBuilder sb，Int32深度，Hashtable objectsInUse，SerializationFormat serializationFormat）+480 System.Web.Script.Serialization.JavaScriptSerializer.SerializeValueInternal（对象o，StringBuilder sb，Int32深度，哈希表objectsInUse，SerializationFormat serializationFormat，MemberInfo currentMember）+1324 System.Web.Script.Serialization.JavaScriptSerializer.SerializeValue（对象o，StringBuilder sb，Int32深度，Hashtable objectsInUse，SerializationFormat serializationFormat，MemberInfo currentMember）+195 System.Web.Script.Serialization.JavaScriptSerializer.SerializeEnumerable（IEnumerable可枚举，StringBuilder sb，Int32深度，Hashtable objectsInUse，SerializationFormat serializationFormat）+127 System.Web.Script.Serialization.JavaScriptSerializer.SerializeValueInternal（对象o，StringBuilder sb，Int32深度，哈希表objectsInUse，SerializationFormat serializationFormat，MemberInfo currentMember）+1279 System.Web.Script.Serialization.JavaScriptSerializer.SerializeValue（对象o，StringBuilder sb，Int32深度，Hashtable objectsInUse，SerializationFormat serializationFormat，MemberInfo currentMember）+195 System.Web.Script.Serialization.JavaScriptSerializer.SerializeCustomObject（Object o，StringBuilder sb，Int32深度，Hashtable objectsInUse，SerializationFormat serializationFormat）+480 System.Web.Script.Serialization.JavaScriptSerializer.SerializeValueInternal（对象o，StringBuilder sb，Int32深度，哈希表objectsInUse，SerializationFormat serializationFormat，MemberInfo currentMember）+1324 System.Web.Script.Serialization.JavaScriptSerializer.SerializeValue（对象o，StringBuilder sb，Int32深度，Hashtable objectsInUse，SerializationFormat serializationFormat，MemberInfo currentMember）+195 System.Web.Script.Serialization.JavaScriptSerializer.SerializeCustomObject（Object o，StringBuilder sb，Int32深度，Hashtable objectsInUse，SerializationFormat serializationFormat）+480 System.Web.Script.Serialization.JavaScriptSerializer.SerializeValueInternal（对象o，StringBuilder sb，Int32深度，哈希表objectsInUse，SerializationFormat serializationFormat，MemberInfo currentMember）+1324 System.Web.Script.Serialization.JavaScriptSerializer.SerializeValue（对象o，StringBuilder sb，Int32深度，Hashtable objectsInUse，SerializationFormat serializationFormat，MemberInfo currentMember）+195 System.Web.Script.Serialization.JavaScriptSerializer.SerializeCustomObject（Object o，StringBuilder sb，Int32深度，Hashtable objectsInUse，SerializationFormat serializationFormat）+480 System.Web.Script.Serialization.JavaScriptSerializer.SerializeValueInternal（对象o，StringBuilder sb，Int32深度，哈希表objectsInUse，SerializationFormat serializationFormat，MemberInfo currentMember）+1324 System.Web.Script.Serialization.JavaScriptSerializer.SerializeValue（对象o，StringBuilder sb，Int32深度，Hashtable objectsInUse，SerializationFormat serializationFormat，MemberInfo currentMember）+195 System.Web.Script.Serialization.JavaScriptSerializer.SerializeCustomObject（Object o，StringBuilder sb，Int32深度，Hashtable objectsInUse，SerializationFormat serializationFormat）+480 System.Web.Script.Serialization.JavaScriptSerializer.SerializeValueInternal（对象o，StringBuilder sb，Int32深度，哈希表objectsInUse，SerializationFormat serializationFormat，MemberInfo currentMember）+1324 System.Web.Script.Serialization.JavaScriptSerializer.SerializeValue（对象o，StringBuilder sb，Int32深度，Hashtable objectsInUse，SerializationFormat serializationFormat，MemberInfo currentMember）+195 System.Web.Script.Serialization.JavaScriptSerializer.SerializeCustomObject（Object o，StringBuilder sb，Int32深度，Hashtable objectsInUse，SerializationFormat serializationFormat）+480 System.Web.Script.Serialization.JavaScriptSerializer.SerializeValueInternal（对象o，StringBuilder sb，Int32深度，哈希表objectsInUse，SerializationFormat serializationFormat，MemberInfo currentMember）+1324 System.Web.Script.Serialization.JavaScriptSerializer.SerializeValue（对象o，StringBuilder sb，Int32深度，Hashtable objectsInUse，SerializationFormat serializationFormat，MemberInfo currentMember）+195 System.Web.Script.Serialization.JavaScriptSerializer.SerializeDictionary（IDictionary o，StringBuilder sb，Int32深度，Hashtable objectsInUse，SerializationFormat serializationFormat）+505 System.Web.Script.Serialization.JavaScriptSerializer.SerializeValueInternal（对象o，StringBuilder sb，Int32深度，哈希表objectsInUse，SerializationFormat serializationFormat，MemberInfo currentMember）+1218 System.Web.Script.Serialization.JavaScriptSerializer.SerializeValue（对象o，StringBuilder sb，Int32深度，Hashtable objectsInUse，SerializationFormat serializationFormat，MemberInfo currentMember）+195 System.Web.Script.Serialization.JavaScriptSerializer.Serialize（对象obj，StringBuilder输出，SerializationFormat serializationFormat）+29 System.Web.Script.Serialization.JavaScriptSerializer.Serialize（Object obj，SerializationFormat serializationFormat）+64 System.Web.Mvc.JsonResult.ExecuteResult（ControllerContext上下文）+347 System.Web.Mvc.ControllerActionInvoker.InvokeActionResult（ControllerContext controllerContext，ActionResult actionResult）+13 System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilterRecursive（IList 1 filters,Int32 filterIndex,ResultExecutingContext preContext,ControllerContext controllerContext,ActionResult actionResult) +56 System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilterRecursive(IList 1个过滤器，Int32 filterIndex，ResultExecutingContext preContext，ControllerContext controllerContext，ActionResult actionResult）+420 System.Web.Mvc.ControllerActionInvoker.InvokeActionResultWithFilters（ControllerContext controllerContext，IList 1 filters,ActionResult actionResult) +52 System.Web.Mvc.Async.<>c__displayClass3_6.<BeginInvokeAction>b__4() +198 System.Web.Mvc.Async.<>c__displayClass3_1.<BeginInvokeAction>b__1(IAsyncResult asyncResult) +100 System.Web.Mvc.Async.WrappedAsyncResult 1.CallEndDelegate（IAsyncResult asyncResult）+10 System.Web.Mvc.Async.WrappedAsyncResultBase 1.End() +49 System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeAction(IAsyncResult asyncResult) +27 System.Web.Mvc.<>c.<BeginExecuteCore>b__152_1(IAsyncResult asyncResult,ExecuteCoreState innerState) +11 System.Web.Mvc.Async.WrappedAsyncVoid 1.CallEndDelegate（IAsyncResult asyncResult）+29 System.Web.Mvc.Async.WrappedAsyncResultBase 1.End() +49 System.Web.Mvc.Controller.EndExecuteCore(IAsyncResult asyncResult) +45 System.Web.Mvc.<>c.<BeginExecute>b__151_2(IAsyncResult asyncResult,Controller controller) +13 System.Web.Mvc.Async.WrappedAsyncVoid 1.CallEndDelegate（IAsyncResult asyncResult）+22 System.Web.Mvc.Async.WrappedAsyncResultBase 1.End() +49 System.Web.Mvc.Controller.EndExecute(IAsyncResult asyncResult) +26 System.Web.Mvc.Controller.System.Web.Mvc.Async.IAsyncController.EndExecute(IAsyncResult asyncResult) +10 System.Web.Mvc.<>c.<BeginProcessRequest>b__20_1(IAsyncResult asyncResult,ProcessRequestState innerState) +28 System.Web.Mvc.Async.WrappedAsyncVoid 1.CallEndDelegate（IAsyncResult asyncResult）+29 System.Web.Mvc.Async.WrappedAsyncResultBase`1.End（）+49 System.Web.Mvc.MvcHandler.EndProcessRequest（IAsyncResult asyncResult）+28 System.Web.Mvc.MvcHandler.System.Web.IHttpAsyncHandler.EndProcessRequest（IAsyncResult结果）+9 System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute（）+577 System.Web.HttpApplication.ExecuteStepImpl（IExecutionStep步骤）+132 System.Web.HttpApplication.ExecuteStep（IExecutionStep步骤，布尔值并已完成同步）+163

那么，有没有办法防止序列化程序进入此循环？我还尝试过进行序列化并使用return Content()发送到视图，但是结果是相同的。我对该主题的研究表明EF类和DataTables存在此问题，所以我真的不明白为什么我的简单字典没有通过。预先感谢。

解决方法

我不确定您为什么要使用字典，但是您可以尝试以下方法：

return Json(new { redirect = Url.Action("Index","Home") });

asp.net-mvc c#c#serialization