postman PostAsJsonAsync C# -如何正确设置POST请求的头- BAD REQUEST 400

xytpbqjk  于 2023-04-06  发布在  Postman
关注(0)|答案(3)|浏览(436)

大家好
我遇到了下一个问题。我试图做一个POST请求,但当我用Visual Studio Code的调试器编译和执行它时,我得到了一个错误400 Bad Request。不管怎样,当我在Postman中做同样的POST请求时,我收到一个200 OK状态请求,其中包含继续处理下一部分所需的所有值。

此外,在请求中有一个Basic Auth,在本例中,我将其包含在Postman中,并且它工作正常。从另一方面,在我的C#脚本中,我这样执行它:

  • 这是我的模型,其中包含了我的所有数据,用于将对象序列化为JSON。
public class patientMediktor{
    public string deviceId { get; set; }        
    public string deviceType { get; set; }
    public string apiVersion { get; set; }
    public string language { get; set; }
    public externUserClass externUser{ get;set; }

    public class externUserClass{
        public externUserClass(string partnerExternalId, string username, string newPassword, string gender){
            this.partnerExternalId = partnerExternalId;
            this.username = username;
            this.newPassword = newPassword;
            this.gender = gender;
        }
        public string partnerExternalId { get; set; }
        public string username { get; set; }
        public string newPassword { get; set; }
        public string gender { get; set; }
    }
    public string includeAuthToken{ get; set; }
}
  • 这是我的Helper类,用于创建POST请求。我插入所有需要的数据,然后我将对象序列化为JSON,因为有些人建议我这样做。它非常干净。
public async Task<string> MediktorHubCrearUsuario(string conf, string userId, string sexo, string deviceId)
    {
        var sexoStr = "";  
        if(sexo == "MALE") {
            sexoStr = "MALE";
        } else if(sexo == "FEMALE") {
            sexoStr = "FEMALE";
        }

        var guid = Guid.NewGuid().ToString(); // guid para el username y el password
        var data = new patientMediktor();
        data.deviceId = userId;
        data.deviceType = "WEB";
        data.apiVersion = "4.0.3";
        data.language = "es_ES";
        data.externUser = new patientMediktor.externUserClass(userId, guid, guid, sexoStr); // extern user
        data.includeAuthToken = "true";

        string output = JsonConvert.SerializeObject(data);

        var ServerMedictor = conf;
        var client =  new HttpClient{BaseAddress = new Uri(ServerMedictor)};
        MediaType = "application/json";
        client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue(MediaType)); //ACCEPT header
        client.DefaultRequestHeaders.Authorization =  new AuthenticationHeaderValue("xxxxxx", "xxxxxxxxxxxx");
        var Client = client;
        var request = await Client.PostAsJsonAsync("externUser", output);

        request.EnsureSuccessStatusCode();
        var status = await request.Content.ReadAsStringAsync();
        return status;
    }

如果有人知道如何处理这个问题,那真是太感谢了。我会继续尝试组合如何处理这个问题的替代方案。* 尽管进行了修改,我仍然有同样的问题。我确实序列化了对象,并且我以我需要的方式获得了它。但是,每当涉及到请求时,它都会给我一个400 Bad Request。
亲切的问候和感谢你

bwitn5fc

bwitn5fc1#

尝试使用PostAsync而不是PostAsJsonAsync

var content = new StringContent(JsonConvert.SerializeObject(data), Encoding.UTF8, "application/json");

var request  = await httpClient.PostAsync(requestUrl, content);

请在HttpClient not supporting PostAsJsonAsync method C#上找到有关PostAsJsonAsync的更多详细信息

nfs0ujit

nfs0ujit2#

看起来你应该删除以下行末尾的逗号:

sexoStr = "\"gender\": \"MALE\",";
...
sexoStr = "\"gender\": \"FEMALE\",";

一般来说,更喜欢使用模型类并序列化它们(使用Newtonsoft.Jsonexample)或System.Text.Json),而不是硬编码的字符串。

fruv7luv

fruv7luv3#

答案就在这里。Basic Auth的头部结构从一开始就错了。为了编码它,我不得不像这样传递new System.Net.Http.Headers.AuthenticationHeaderValue("Basic", Convert.ToBase64String(byteArray));,因此传递给请求。我还用PostAsync替换了PostAsJsonAsync。它工作起来很有魅力!最后,我得到了一个状态码200 OK,我需要传递给我的视图的数据。

public async Task<string> CreateUser(string conf, string userId, string sexo, string deviceId)
        {
            var sexoStr = "";  
            if(sexo == "MALE") {
                sexoStr = "MALE";
            } else if(sexo == "FEMALE") {
                sexoStr = "FEMALE";
            }

            var guid = Guid.NewGuid().ToString(); // guid para el username y el password
            var data = new patientMediktor();
            data.deviceId = userId;
            data.deviceType = "WEB";
            data.apiVersion = "4.0.3";
            data.language = "es_ES";
            data.externUser = new patientMediktor.externUserClass(userId, guid, guid, sexoStr); // extern user
            data.includeAuthToken = true;

            string json = JsonConvert.SerializeObject(data);
            var Client =  new HttpClient();
            var prueba = "https://xxxxxx.com:443/";
            Client.BaseAddress = new Uri(prueba);

            var byteArray = Encoding.ASCII.GetBytes("xxxxxxxx:xxxxxxxxx");
            Client.DefaultRequestHeaders.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue("Basic", Convert.ToBase64String(byteArray));
            var response = Client.PostAsync("backoffice/services/externUser", new StringContent(json, Encoding.UTF8, "application/json")).Result;

            response.EnsureSuccessStatusCode();
            var respuesta = await response.Content.ReadAsStringAsync();
            return respuesta;
   }

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