无法将数据从 c#（控制器） 发送到 javascript

Question

我的JavaScript文件上有这个代码：

temp="string";

var myJson = JSON.stringify(temp);

    $.ajax(

        {

            url: '/MemoryGame/updateStatus',

            type: 'POST',

            contentType: "application/json; charset=utf-8",

            dataType: "json",

            data: myJson,

            success: function (response) {

                alert("success");

                if (response == 'Okay') {

                    checkStatus(temp.myID);

                }

               else {

                    ConnectionChanged();

                }

            },

            error: function (errorThrown) {

                console.log(errorThrown);

                ConnectionChanged();

            }

        });

这个控制器：

[HttpPost]

        public string updateStatus(string updatedJson)

        {

            var Player = JsonConvert.DeserializeObject<GameDataClass>(updatedJson);

            var Opponent = JsonConvert.DeserializeObject<GameDataClass>(System.IO.File.ReadAllText(System.IO.Path.Combine(_env.WebRootPath, Player.OpponentID + ".json"))); 

... }

我试图将$.ajax更改为$.post方法，也改变了

公共字符串更新状态

自

public JsonResult updatestatus

但这两个都没有奏效。javascript上的myJson包含数据，但是当它到达控制器更新时Json是空的。我从来没有这样的经验，所以我正在使用另一个项目的代码，它在那里工作得很好。那么有人可以建议我做错了什么吗？

Answer 1

&nbsp; temp="string";&nbsp; &nbsp; // (0)&nbsp; &nbsp; var myJson = JSON.stringify(temp);&nbsp; &nbsp; $.ajax(&nbsp; &nbsp; &nbsp; &nbsp; {&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; url: '/MemoryGame/updateStatus?updatedJson=' + temp, // (1)&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; type: 'POST',&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; contentType: "application/json; charset=utf-8",&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; dataType: "json",&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; data: '',&nbsp; &nbsp;// (2)&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; success: function (response) {&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; alert("success");&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; if (response == 'Okay') {&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; checkStatus(response.myID);&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;else {&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; ConnectionChanged();&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; },&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; error: function (errorThrown) {&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; ConnectionChanged();&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }&nbsp; &nbsp; &nbsp; &nbsp; });或者，如果这不必作为参数传递，请执行以下操作：（0） var formData = new FormData（）;formData.append（'updatejson'， temp）;（1） url： '/MemoryGame/updateStatus'， （2） data： formData，

Answer 2

$.ajax&nbsp;是 jQuery 库中的一个词库，你的项目包含它吗？您还可以检查浏览器的Javascript控制台，看看它是否包含错误。在Firefox和Chrome上，您可以通过按F12来访问它。