使用JSON的Post请求，但服务器端有Request.Form.Count == 0

Question

我正在尝试从控制台应用程序向WebPage.aspx发送带有POST方法的JSON，它将重新定义JSON并对数据做一些处理。请求状态是正常的，但是在服务器端，我得到的Request.form是空的(不是null，只是计数= 0)。但服务器将需要从中读取数据。我刚刚写的代码是与另一个页面集成的原型，这就是为什么我需要用Request.form发送数据的原因。

你能帮我修一下吗？

    public async static void KeepMeLogged()
    {
         string urlPart = "ReadJson";
         string BaseUrl = "https://baseurl/external-api/"
         HttpClient client = new HttpClient();
         client.BaseAddress = new Uri(BaseUrl);
         client.DefaultRequestHeaders.Accept.Clear();
         client.DefaultRequestHeaders.Accept.Add(
         new MediaTypeWithQualityHeaderValue("application/json"));

    ForRequest json = new ForRequest
    {
        Login = Login
    };

    try
    {
        string stringJson = await Task.Run(() => JsonConvert.SerializeObject(json));
        var httpContent = new StringContent(stringJson, Encoding.UTF8, "application/json");

        using (var httpClient = new HttpClient())
        {
            // Do the actual request and await the response
            var httpResponse = await httpClient.PostAsync(BaseUrl + urlPart, httpContent);

            // If the response contains content we want to read it!
            if (httpResponse.Content != null)
            {
                Console.WriteLine("IsOk");
            }
        }
    }
    catch (Exception e)
    {
        Console.WriteLine(e.Message);
    }
}

public class ForRequest
{
    [JsonProperty("login")]
    public string Login { get; set; }
}

//ServerSide, Request.Form.Count always 0
public partial class ReadJsonPage : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (Request.Form != null)
        {

            foreach (string key in Request.Form)
            {
                   //Request.Form.Count == 0
                   //do something
            }
        }

    }
}

Answer 1

您可以使用以下代码获取json数据：

Request.InputStream.Seek(0, System.IO.SeekOrigin.Begin);
using (var sr = new System.IO.StreamReader(Request.InputStream))
{
    string json = sr.ReadToEnd();
}

Answer 2

我找到了解决方案，如何在Request.form中发送JSON

MyClass json = new MyClass
{
    Login = Login
};

string stringLogin = await Task.Run(() => JsonConvert.SerializeObject(logIn));

string URI = BaseUrl + urlPart;
string myParameters = "json=" + stringLogin;
try
{
    using (WebClient wc = new WebClient())
    {
        wc.Headers[HttpRequestHeader.ContentType] = "application/x-www-form-urlencoded";
        wc.Encoding = Encoding.UTF8;
        string HtmlResult = wc.UploadString(URI, "POST", myParameters);
        result = JsonConvert.DeserializeObject<Result>(HtmlResult);
    }
}
catch (Exception e)
{
    Console.WriteLine(e.Message);
}