原文地址 https://blogs.msdn.microsoft.com/henrikn/2012/08/07/httpclient-httpclienthandler-and-webrequesthandler-explained/ In two previous blogs I describe how to use HttpClient as well as how to use the HttpMessageHandler pipeline. What we haven’t done…

注:本文为个人学习摘录,原文地址:https://blogs.msdn.microsoft.com/henrikn/2012/08/07/httpclient-httpclienthandler-and-webrequesthandler-explained/ In two previous blogs I describe how to use HttpClient as well as how to use the HttpMessageHandler pipeline. What we h…

HttpClient介绍 HttpClient是.NET4.5引入的一个HTTP客户端库,其命名空间为System.Net.Http..NET 4.5之前我们可能使用WebClient和HttpWebRequest来达到相同目的.但是有几点值得关注: 可以使用单个HttpClient实例发任意数目的请求 一个HttpClient实例不会跟某个HTTP服务器或主机绑定,也就是说我们可以用一个实例同时给www.a.com和www.b.com发请求 可以继承HttpClient达到定制目的 HttpC…

原文地址:http://www.cnblogs.com/wywnet/p/httpclient.html HttpClient介绍HttpClient是.NET4.5引入的一个HTTP客户端库,其命名空间为System.Net.Http..NET 4.5之前我们可能使用WebClient和HttpWebRequest来达到相同目的.但是有几点值得关注: 可以使用单个HttpClient实例发任意数目的请求一个HttpClient实例不会跟某个HTTP服务器或主机绑定,也就是说我们可以用一个实例同…

X509Certificate2 cer = new X509Certificate2(@"path", "********", X509KeyStorageFlags.MachineKeySet | X509KeyStorageFlags.PersistKeySet | X509KeyStorageFlags.Exportable); HttpClientHandler handler = new HttpClientHandler(); handler.UseD…

1.模拟登录 public WeiXinRetInfo ExecLogin(string name, string pass) { CookieContainer cc = new CookieContainer();//接收缓存 WeiXinRetInfo retinfo = null; try { string password = Common.GetMd5Str32(pass).ToUpper(); HttpClientHandler hchandler = new HttpClient…

HttpRequestMessage http_req_msg = new HttpRequestMessage(); http_req_msg.Method = HttpMethod.Get; http_req_msg.Headers.Add("user-agent", "Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.2; WOW64; Trident/6.0)"); http_req_msg.RequestUr…

CookieContainer cookieContainer = new CookieContainer(); Cookie cookie = new Cookie("username", "username"); cookie.Domain = Request.Url.Host; cookieContainer.Add(cookie); // 加入Cookie HttpClientHandler httpClientHandler = new HttpClien…

请求https链接时报错,奇怪的是pc1正常,pc2异常 Unhandled Exception: System.AggregateException: One or more errors occurred. ( Received an unexpected EOF or 0 bytes from the transport stream.) ---> System.IO.IOException: Received an unexpected EOF or 0 bytes from the t…

在测试中经常会遇到请求一些https的url,但又没有本地证书,这时候可以用下面的方法忽略警告 var httpclientHandler = new HttpClientHandler(); httpclientHandler.ServerCertificateCustomValidationCallback = (message, cert, chain, error) => true; var httpClient = new HttpClient(httpclientHandler);…