将数据从 Class 库项目发布到 MVC WEB API 控制器时面临崩溃

Question

通过 Class 库项目将数据发布到 MVC Web API 控制器时遇到问题。

MVC Web API 托管在本地主机的 84 端口。

Class 发送请求的库代码

public String Put(OM_ServicesType obj)
{
    string URI = "http://localhost:84/WebAPIServiceType/Put");
    String myParameters = "ServiceType=qa&description=qa&Sid=1";

    using (WebClient wc = new WebClient())
    {
        wc.Headers[HttpRequestHeader.ContentType] = 
                                                  "application/x-www-form-urlencoded";
        string HtmlResult = wc.UploadString(URI, myParameters);
        return JsonConvert.DeserializeObject<String>(HtmlResult);
    }
}

下面是崩溃

The remote server returned an error: (404) Not Found.

MVC Web API代码

[HttpPost]
public HttpResponseMessage Put(int Sid, string ServiceType, string description)
{
    var obj = new Dal_ServiceType { ServicesTypeID = Sid, Name = ServiceType, 
                                              Description = description};
    var re = obj.Put();
    return Request.CreateResponse(HttpStatusCode.OK, new { ErrorMessage = re });
}

Answer 1

好的，我找到了解决方案。

WEB代码API控制器动作方法

[HttpPost]
public HttpResponseMessage Action_Method_Name([FromBody] ClassName obj)
{
    var objUpdated = new Dal_Provider
    {
        ProviderID = obj.ProviderID,
        ZipCode = obj.ZipCode
    };
    var re = objUpdated.Post();
    return Request.CreateResponse(HttpStatusCode.OK, new { ErrorMessage = re });
}

调用网络的代码API

public String Post(ClassName obj)
{
    String url = string.Format("{0}{1}", "DomainName comes here",
                    "Controller Name/Action Method Name");
    var httpClient = new HttpClient();
    var responseMessage = httpClient.PostAsync(url, 
            new ObjectContent<ClassName>(obj, new JsonMediaTypeFormatter())).Result;
    return responseMessage.ReasonPhrase;
}