Time out error: HttpClient POST
Time out error: HttpClient POST
我在 POST 使用带有 Accept、ContentType 和 Authentication 的 http 客户端 headers 时遇到问题。我尝试了几种使用 send aysnc 和 post async 的实现,但似乎都失败了。我使用 https://www.hurl.it/ 来确定它是否也出现超时错误,但它正在工作,正在返回 json 数据。
当运行下面的代码时,我得到一个连接超时错误异常(在:var response = await client.SendAsync(request);
)。
我也有 curl 命令,我试图通过它关闭,下面也列出了它。
实施:
// Body
var dictionary = new Dictionary<string, string>();
dictionary.Add("id", "123");
var formData = new List<KeyValuePair<string, string>>();
formData.Add(new KeyValuePair<string, string>("id", "123"));
// Http Client
var client = new HttpClient();
client.BaseAddress = new Uri("https://www.some_website.com/api/house");
// Http Request
var request = new HttpRequestMessage(HttpMethod.Post, "https://www.some_website.com/api/house");
// Accept
client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
// Content-Type
//request.Content = new FormUrlEncodedContent(dictionary);
var httpContent = new StringContent(
JsonConvert.SerializeObject(
dictionary,
new JsonSerializerSettings
{
NullValueHandling = NullValueHandling.Ignore
}),
Encoding.UTF8,
"application/json");
request.Content = new StringContent(
JsonConvert.SerializeObject(
dictionary,
new JsonSerializerSettings
{
NullValueHandling = NullValueHandling.Ignore
}),
Encoding.UTF8,
"application/json");
// Authentication
var byteArray = new UTF8Encoding().GetBytes("user" + ":" + "pass");
//client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Basic", Convert.ToBase64String(byteArray));
var header = new AuthenticationHeaderValue("Basic", Convert.ToBase64String(byteArray));
client.DefaultRequestHeaders.Authorization = header;
// Communication
try
{
var response = await client.SendAsync(request);//PostAsync("https://www.some_website.com/api/house", httpContent);
if (response.IsSuccessStatusCode)
{
var myContent = await response.Content.ReadAsStringAsync();
var deliveryStatus = JsonConvert.DeserializeObject<MyOjbect>(myContent);
}
}
catch (Exception e)
{
//catch error
}
卷曲:
curl -i --user user:123 -H Accept:application/json -H content-type:application/json -H cache-control:no-cache -X POST https://www.some_website.com/api/house -H Content-Type: application/json -d '{"id": "123"}'
您将 BaseAddress 和 HttpRequestMessage Uri 属性 设置为相同的绝对 url,不应该是基地址(例如 somewebsite.com)和相对 url(例如(api/house)。您还可以使用 Fiddler telerik 检查您的请求。com/fiddler
我在 POST 使用带有 Accept、ContentType 和 Authentication 的 http 客户端 headers 时遇到问题。我尝试了几种使用 send aysnc 和 post async 的实现,但似乎都失败了。我使用 https://www.hurl.it/ 来确定它是否也出现超时错误,但它正在工作,正在返回 json 数据。
当运行下面的代码时,我得到一个连接超时错误异常(在:var response = await client.SendAsync(request);
)。
我也有 curl 命令,我试图通过它关闭,下面也列出了它。
实施:
// Body
var dictionary = new Dictionary<string, string>();
dictionary.Add("id", "123");
var formData = new List<KeyValuePair<string, string>>();
formData.Add(new KeyValuePair<string, string>("id", "123"));
// Http Client
var client = new HttpClient();
client.BaseAddress = new Uri("https://www.some_website.com/api/house");
// Http Request
var request = new HttpRequestMessage(HttpMethod.Post, "https://www.some_website.com/api/house");
// Accept
client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
// Content-Type
//request.Content = new FormUrlEncodedContent(dictionary);
var httpContent = new StringContent(
JsonConvert.SerializeObject(
dictionary,
new JsonSerializerSettings
{
NullValueHandling = NullValueHandling.Ignore
}),
Encoding.UTF8,
"application/json");
request.Content = new StringContent(
JsonConvert.SerializeObject(
dictionary,
new JsonSerializerSettings
{
NullValueHandling = NullValueHandling.Ignore
}),
Encoding.UTF8,
"application/json");
// Authentication
var byteArray = new UTF8Encoding().GetBytes("user" + ":" + "pass");
//client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Basic", Convert.ToBase64String(byteArray));
var header = new AuthenticationHeaderValue("Basic", Convert.ToBase64String(byteArray));
client.DefaultRequestHeaders.Authorization = header;
// Communication
try
{
var response = await client.SendAsync(request);//PostAsync("https://www.some_website.com/api/house", httpContent);
if (response.IsSuccessStatusCode)
{
var myContent = await response.Content.ReadAsStringAsync();
var deliveryStatus = JsonConvert.DeserializeObject<MyOjbect>(myContent);
}
}
catch (Exception e)
{
//catch error
}
卷曲:
curl -i --user user:123 -H Accept:application/json -H content-type:application/json -H cache-control:no-cache -X POST https://www.some_website.com/api/house -H Content-Type: application/json -d '{"id": "123"}'
您将 BaseAddress 和 HttpRequestMessage Uri 属性 设置为相同的绝对 url,不应该是基地址(例如 somewebsite.com)和相对 url(例如(api/house)。您还可以使用 Fiddler telerik 检查您的请求。com/fiddler