C# 如何将任意 json 对象发布到 webapi
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how to post arbitrary json object to webapi
提问by Jonathan
How do I / is it possible to pass in a json object to a webapi controller (POST) and nothave a class to map it to, but rather handle it as arbitrary content?
我如何/是否可以将 json 对象传递给 webapi 控制器（POST）并且没有将其映射到的类，而是将其作为任意内容处理？
So if I pass in from my client like so:
所以如果我像这样从我的客户那里传入：
createRecord: function (model, data, callback, callbackParams) {
var request = jQuery.ajax({
type: "POST", // default = GET,
url: '/api/' + model + '/',
data: data,
contentType: 'application/json',
success: function (msg) {
$('#results').text(msg);
if (callback) // only fire a callback if it has been specified
callback(msg, callbackParams);
},
error: function (jqXHR, textStatus) {
alert('Request failed: ' + textStatus);
}
});
}
and data is something like:
和数据是这样的：
{ "_id" : ObjectId("5069f825cd4c1d590cddf206"), "firstName" : "John", "lastName" : "Smith", "city" : "Vancouver", "country" : "Canada" }
My controller will be able to parse it? And next time the data may not match that signature (eg:
我的控制器能够解析它吗？下次数据可能与该签名不匹配（例如：
{ "_id" : ObjectId("5069f825cd4c1d56677xz6"), "company" : "Acme" }
In my controller, I have tried:
在我的控制器中，我尝试过：
public HttpResponseMessage Post([FromBody]JObject value)
and:
和：
public HttpResponseMessage Post([FromBody]string value)
and (because this is actually to work with a mongo db):
并且（因为这实际上是与 mongo db 一起使用）：
public HttpResponseMessage Post([FromBody]BsonDocument value)
but it looks like the object mapper wants to map to something other than string...
但看起来对象映射器想要映射到字符串以外的东西......
采纳答案by Maggie Ying
You can have your post method that takes in a HttpRequestMessage to by pass the model binding logic and you can read the content of the request directly:
你可以让你的 post 方法接受一个 HttpRequestMessage 来绕过模型绑定逻辑，你可以直接读取请求的内容：
public HttpResponseMessage Post(HttpRequestMessage req)
{
var data = req.Content.ReadAsStringAsync().Result; // using .Result here for simplicity...
...
}
By the way, the reason why the action that takes in JObject doesn't work is because of 'ObjectId("...")' that is used as the value of "_id" in your data...
顺便说一下，在 JObject 中执行的操作不起作用的原因是因为 'ObjectId("...")' 在您的数据中用作“_id”的值...
回答by Maggie Ying
In your input, "_id": ObjectId("5069f825cd4c1d590cddf206")is what is breaking the JSON materialization on the server. Removing ObjectIdand using "_id" : "5069f825cd4c1d590cddf206"works with JObjectas well as Dictionary<string, object>
在您的输入中，"_id": ObjectId("5069f825cd4c1d590cddf206")是什么破坏了服务器上的 JSON 实现。删除ObjectId和使用"_id" : "5069f825cd4c1d590cddf206"作品JObject以及Dictionary<string, object>
回答by Bes Ley
We passed json object by jquery, and parse it in dynamic object. it works fine. this is sample code:
我们通过 jquery 传递 json 对象，并在动态对象中解析它。它工作正常。这是示例代码：
ajaxPost:
...
Content-Type: application/json,
data: {
"name": "Hyman",
"age": "12"
}
...
webapi:
网络接口：
[HttpPost]
public string DoJson2(dynamic data)
{
string name = data.name;
int age = data.age;
return name;
}
similary question on stackoverflow: WebAPI Multiple Put/Post parameters
stackoverflow 上的类似问题： WebAPI Multiple Put/Post parameters
回答by Javier Ramírez
It is very easy, you just need to put the Accept Header to "application/json".
很简单，你只需要把 Accept Header 放到 "application/json" 中。
