本文整理汇总了C#中HttpClient类的典型用法代码示例。如果您正苦于以下问题：C# HttpClient类的具体用法？C# HttpClient怎么用？C# HttpClient使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
HttpClient类属于命名空间，在下文中一共展示了HttpClient类的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: GetRequest
private static async Task<string> GetRequest(string uri)
{
try
{
using (HttpClient client = new HttpClient())
{
HttpResponseMessage response = await client.GetAsync(new Uri(uri));
if (!response.IsSuccessStatusCode)
{
if (response.StatusCode == HttpStatusCode.InternalServerError)
{
throw new Exception(HttpStatusCode.InternalServerError.ToString());
}
else
{
// Throw default exception for other errors
response.EnsureSuccessStatusCode();
}
}
return await response.Content.ReadAsStringAsync();
}
}
catch (Exception)
{
if (System.Diagnostics.Debugger.IsAttached)
{
// An unhandled exception has occurred; break into the debugger
System.Diagnostics.Debugger.Break();
}
throw;
}
}示例2: SendRequest
public async Task<bool> SendRequest()
{
try
{
var config = new ConfigurationViewModel();
var uri = new Uri(config.Uri + _path);
var filter = new HttpBaseProtocolFilter();
if (config.IsSelfSigned == true)
{
filter.IgnorableServerCertificateErrors.Add(ChainValidationResult.Untrusted);
filter.IgnorableServerCertificateErrors.Add(ChainValidationResult.InvalidName);
}
var httpClient = new HttpClient(filter);
httpClient.DefaultRequestHeaders.Accept.Clear();
httpClient.DefaultRequestHeaders.Accept.Add(new HttpMediaTypeWithQualityHeaderValue("text/plain"));
httpClient.DefaultRequestHeaders.UserAgent.Add(new HttpProductInfoHeaderValue(new HttpProductHeaderValue("Mozilla", "5.0").ToString()));
httpClient.DefaultRequestHeaders.UserAgent.Add(new HttpProductInfoHeaderValue(new HttpProductHeaderValue("Firefox", "26.0").ToString()));
var reponse = await httpClient.GetAsync(uri);
httpClient.Dispose();
return reponse.IsSuccessStatusCode;
}
catch (Exception)
{
return false;
}
}示例3: SearchForPlayers
public SearchForPlayers(HttpClient Client, StatsDatabase Driver)
{
string Nick;
List<Dictionary<string, object>> Rows;
// Setup Params
if (!Client.Request.QueryString.ContainsKey("nick"))
{
Client.Response.WriteResponseStart(false);
Client.Response.WriteHeaderLine("asof", "err");
Client.Response.WriteDataLine(DateTime.UtcNow.ToUnixTimestamp(), "Invalid Syntax!");
Client.Response.Send();
return;
}
else
Nick = Client.Request.QueryString["nick"];
// Timestamp Header
Client.Response.WriteResponseStart();
Client.Response.WriteHeaderLine("asof");
Client.Response.WriteDataLine(DateTime.UtcNow.ToUnixTimestamp());
// Output status
int i = 0;
Client.Response.WriteHeaderLine("n", "pid", "nick", "score");
Rows = Driver.Query("SELECT id, name, score FROM player WHERE name LIKE @P0 LIMIT 20", "%" + Nick + "%");
foreach (Dictionary<string, object> Player in Rows)
{
Client.Response.WriteDataLine(i + 1, Rows[i]["id"], Rows[i]["name"].ToString().Trim(), Rows[i]["score"]);
i++;
}
// Send Response
Client.Response.Send();
}示例4: Automatic_SSLBackendNotSupported_ThrowsPlatformNotSupportedException
public async Task Automatic_SSLBackendNotSupported_ThrowsPlatformNotSupportedException()
{
using (var client = new HttpClient(new HttpClientHandler() { ClientCertificateOptions = ClientCertificateOption.Automatic }))
{
await Assert.ThrowsAsync<PlatformNotSupportedException>(() => client.GetAsync(Configuration.Http.SecureRemoteEchoServer));
}
}示例5: Can_define_custom_parameter_binder
public async Task Can_define_custom_parameter_binder()
{
var client = new HttpClient();
var res = await client.GetAsync("http://localhost:8080/whatipami");
var cont = await res.Content.ReadAsStringAsync();
Assert.Equal("::1", cont);
}示例6: HttpPost
public static async void HttpPost(string id,string phone,string image, string name, string content, string time,string atName,string atPhone,string atImage)
{
try
{
HttpClient httpClient = new HttpClient();
string posturi = Config.apiCommentPublish;
HttpRequestMessage request = new HttpRequestMessage(HttpMethod.Post, new Uri(posturi));
HttpFormUrlEncodedContent postData = new HttpFormUrlEncodedContent(
new List<KeyValuePair<string, string>>
{
new KeyValuePair<string,string>("id",id),
new KeyValuePair<string,string>("phone",phone),
new KeyValuePair<string, string>("image", image),
new KeyValuePair<string, string>("name", name),
new KeyValuePair<string, string>("content", content),
new KeyValuePair<string, string>("time", time),
new KeyValuePair<string, string>("atName", atName),
new KeyValuePair<string, string>("atPhone", atPhone),
new KeyValuePair<string, string>("atImage", atImage),
}
);
request.Content = postData;
HttpResponseMessage response = await httpClient.SendRequestAsync(request);
}
catch (Exception ex)
{
HelpMethods.Msg(ex.Message.ToString());
}
}示例7: Main
static void Main(string[] args)
{
Uri baseAddress = new Uri("http://ncs-sz-jinnan:3721");
HttpClient httpClient = new HttpClient { BaseAddress = baseAddress };
IEnumerable<Contact> contacts = httpClient.GetAsync("/api/contacts").Result.Content.ReadAsAsync<IEnumerable<Contact>>().Result;
Console.WriteLine("当前联系人列表");
ListContacts(contacts);
Contact contact = new Contact { Id = "003", Name = "王五", EmailAddress = "[email protected]", PhoneNo = "789" };
Console.WriteLine("\n添加联系人003");
httpClient.PutAsync<Contact>("/api/contacts", contact, new JsonMediaTypeFormatter()).Wait();
contacts = httpClient.GetAsync("/api/contacts").Result.Content.ReadAsAsync<IEnumerable<Contact>>().Result;
ListContacts(contacts);
contact = new Contact { Id = "003", Name = "王五", EmailAddress = "[email protected]", PhoneNo = "987" };
Console.WriteLine("\n修改联系人003");
httpClient.PostAsync<Contact>("/api/contacts", contact, new XmlMediaTypeFormatter()).Wait();
contacts = httpClient.GetAsync("/api/contacts").Result.Content.ReadAsAsync<IEnumerable<Contact>>().Result;
ListContacts(contacts);
Console.WriteLine("\n删除联系人003");
httpClient.DeleteAsync("/api/contacts/003").Wait();
contacts = httpClient.GetAsync("/api/contacts").Result.Content.ReadAsAsync<IEnumerable<Contact>>().Result;
ListContacts(contacts);
Console.Read();
}示例8: DownloadAsync
internal static async Task<InternetRequestResult> DownloadAsync(InternetRequestSettings settings)
{
InternetRequestResult result = new InternetRequestResult();
try
{
var httpClient = new HttpClient();
httpClient.DefaultRequestHeaders.Add("Cache-Control", "no-cache");
if (!string.IsNullOrEmpty(settings.UserAgent))
{
httpClient.DefaultRequestHeaders.UserAgent.ParseAdd(settings.UserAgent);
}
HttpResponseMessage response = await httpClient.GetAsync(settings.RequestedUri);
result.StatusCode = response.StatusCode;
if (response.IsSuccessStatusCode)
{
FixInvalidCharset(response);
result.Result = await response.Content.ReadAsStringAsync();
}
}
catch (Exception)
{
result.StatusCode = HttpStatusCode.InternalServerError;
result.Result = string.Empty;
}
return result;
}示例9: HttpClient_ClientUsesAuxRecord_Ok
public async Task HttpClient_ClientUsesAuxRecord_Ok()
{
X509Certificate2 serverCert = Configuration.Certificates.GetServerCertificate();
var server = new SchSendAuxRecordTestServer(serverCert);
int port = server.StartServer();
string requestString = "https://localhost:" + port.ToString();
using (var handler = new HttpClientHandler() { ServerCertificateCustomValidationCallback = LoopbackServer.AllowAllCertificates })
using (var client = new HttpClient(handler))
{
var tasks = new Task[2];
tasks[0] = server.RunTest();
tasks[1] = client.GetStringAsync(requestString);
await Task.WhenAll(tasks).TimeoutAfter(15 * 1000);
if (server.IsInconclusive)
{
_output.WriteLine("Test inconclusive: The Operating system preferred a non-CBC or Null cipher.");
}
else
{
Assert.True(server.AuxRecordDetected, "Server reports: Client auxiliary record not detected.");
}
}
}示例10: LightColorTask
private static async Task<string> LightColorTask(int hue, int sat, int bri, int Id)
{
var cts = new CancellationTokenSource();
cts.CancelAfter(5000);
try
{
HttpClient client = new HttpClient();
HttpStringContent content
= new HttpStringContent
($"{{ \"bri\": {bri} , \"hue\": {hue} , \"sat\": {sat}}}",
Windows.Storage.Streams.UnicodeEncoding.Utf8,
"application/json");
//MainPage.RetrieveSettings(out ip, out port, out username);
Uri uriLampState = new Uri($"http://{ip}:{port}/api/{username}/lights/{Id}/state");
var response = await client.PutAsync(uriLampState, content).AsTask(cts.Token);
if (!response.IsSuccessStatusCode)
{
return string.Empty;
}
string jsonResponse = await response.Content.ReadAsStringAsync();
System.Diagnostics.Debug.WriteLine(jsonResponse);
return jsonResponse;
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex.Message);
return string.Empty;
}
}示例11: PostStringAsync
public async Task<string> PostStringAsync(string link, string param)
{
try
{
System.Diagnostics.Debug.WriteLine(param);
Uri uri = new Uri(link);
HttpClient httpClient = new HttpClient();
HttpStringContent httpStringContent = new HttpStringContent(param, Windows.Storage.Streams.UnicodeEncoding.Utf8,"application/x-www-form-urlencoded"); //,Windows.Storage.Streams.UnicodeEncoding.Utf8
HttpResponseMessage response = await httpClient.PostAsync(uri,
httpStringContent).AsTask(cts.Token);
responseHeaders = response.Headers;
System.Diagnostics.Debug.WriteLine(responseHeaders);
string responseBody = await response.Content.ReadAsStringAsync().AsTask(cts.Token);
return responseBody;
}
catch(Exception e)
{
return "Error：" + e.Message;
}
}示例12: GetNotifications
public async Task<List<Notification>> GetNotifications()
{
HttpResponseMessage response = null;
HttpRequestMessage request = null;
using (var httpClient = new HttpClient())
{
request = new HttpRequestMessage(HttpMethod.Get, new Uri(Const.UrlNotifyWithTimeStamp));
response = await httpClient.SendRequestAsync(request);
}
var respList = (JObject)JsonConvert.DeserializeObject(await response.Content.ReadAsStringAsync());
List<Notification> notList = new List<Notification>();
if (respList.HasValues)
{
var c = respList.First.First;
for (int i = 0; i < c.Count(); i++)
{
var ele = (JProperty)c.ElementAt(i);
Notification n = JsonConvert.DeserializeObject<Notification>(ele.Value.ToString());
n.AddedDate = new DateTime(1970, 1, 1).AddMilliseconds((long)(((JValue)ele.Value["Data"]).Value));
n.PublicationId = ele.Name.Split(':')[0];
n.Id = ele.Name.Split(':')[1];
n.TypeValue = Enum.ParseToNotificationType(((JValue)ele.Value["Type"]).Value.ToString());
notList.Add(n);
}
}
notList = notList.OrderBy(n => n.Status).ThenByDescending(n => n.AddedDate).ToList();
return notList;
}示例13: SetSessionCookie
public async Task<Tuple<bool, DateTime?>> SetSessionCookie(string login, string password)
{
HttpResponseMessage response = null;
HttpRequestMessage request = null;
using (var httpClient = new HttpClient())
{
request = new HttpRequestMessage(HttpMethod.Post, new Uri(Const.UrlLogin));
request.Content = new HttpFormUrlEncodedContent(new[] {
new KeyValuePair<string, string>("what", "login"),
new KeyValuePair<string, string>("login", login),
new KeyValuePair<string, string>("password", password),
new KeyValuePair<string, string>("persistent", "true"),
});
try
{
response = await httpClient.SendRequestAsync(request);
}
catch (Exception)
{
return new Tuple<bool, DateTime?>(false, null);
}
}
var httpFilter = new Windows.Web.Http.Filters.HttpBaseProtocolFilter();
var expireDate = httpFilter.CookieManager.GetCookies(new Uri(Const.UrlFullAddress)).First().Expires ?? DateTime.Now;
return new Tuple<bool, DateTime?>(response.StatusCode == Windows.Web.Http.HttpStatusCode.Ok, expireDate.DateTime);
}示例14: EnsureConnectWifi
public static void EnsureConnectWifi(string ssidNameSubStr, string id = null, string pw = null)
{
Task.Run(async() =>
{
while (true)
{
try
{
using (var client = new HttpClient())
{
var strGoogle = await client.GetStringAsync(new Uri("http://google.com"));
}
await Task.Delay(3000);
}
catch (Exception ex)
{
Log.e($"EX-NETWORK : {ex}");
try
{
await ConnectWifiAsync(ssidNameSubStr, id, pw);
}
catch (Exception ex2)
{
Log.e($"EX-WIFI : {ex2}");
}
}
}
});
}示例15: OnNavigatedTo
protected override void OnNavigatedTo(NavigationEventArgs e)
{
HttpBaseProtocolFilter baseProtocolFilter = new HttpBaseProtocolFilter();
meteredConnectionFilter = new HttpMeteredConnectionFilter(baseProtocolFilter);
httpClient = new HttpClient(meteredConnectionFilter);
cts = new CancellationTokenSource();
}