尝试发送一个 post 请求(在 postman 中工作正常)但在 C# 中不断收到 401 Unauthorized 异常。这是我的代码:
var httpClient = new HttpClient();
var creds = string.Format("{0}:{1}", "username", "password");
var basicAuth = string.Format("Basic {0}", Convert.ToBase64String(Encoding.UTF8.GetBytes(creds)));
httpClient.DefaultRequestHeaders.Add("Authorization", basicAuth);
var requestMessage = new HttpRequestMessage(HttpMethod.Post, url);
requestMessage.Content = new StringContent(postData, Encoding.UTF8, "application/json");
requestMessage.Headers.Authorization = new AuthenticationHeaderValue("Basic", "encodedValue==");
var post = httpClient.SendAsync(requestMessage);
post.Wait();
使用 HttpWebRequest 时发生同样的事情:
var webReq = (HttpWebRequest)WebRequest.Create(url);
webReq.Headers.Add("Authorization","Basic encodedValue==");
webReq.Method = "POST";
webReq.ContentType = "application/json";
try
{
using (var streamWriter = new StreamWriter(webReq.GetRequestStream()))
{
streamWriter.Write(json);
streamWriter.Flush();
streamWriter.Close();
}
var httpResponse = (HttpWebResponse)webReq.GetResponse();
using (var streamReader = new StreamReader(httpResponse.GetResponseStream()))
{
response = streamReader.ReadToEnd();
}
}
有人知道我可以尝试什么吗? PS(encodedValue==编码正确)
最佳答案
HttpClient 在重定向时丢失了它的 header 。
因此请确保您使用了正确的 API 地址。如果您的 API 不允许不安全的连接,但您使用“http://your-api-address.xy/”而不是“https://your-api-address.xy/”,它将返回一个重定向并且您的客户端丢失 header 。
关于带有授权和 JSON 数据的 C# HttpClient 发布 - 401 未经授权,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/59291884/