HTTP请求

 ???????string url = https://xxx.xxxx.com/Services/Login.ashx; ???????string json = ""; ???????Encoding encoding = Encoding.UTF8; ???????HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url); ???????request.Method = "post"; ???????request.Headers.Add("Method", context.Request.Headers["Method"]); ???????request.Headers.Add("timespan", context.Request.Headers["Timespan"]); ???????request.Headers.Add("Nonce", context.Request.Headers["Nonce"]); ???????request.Headers.Add("Token", context.Request.Headers["Token"]); ???????request.Headers.Add("Account", System.Web.HttpUtility.UrlDecode(context.Request.Headers["Account"])); ???????request.Headers.Add("Source", context.Request.Headers["Source"]); ???????request.Headers.Add("Version", context.Request.Headers["Version"]); ???????request.Headers.Add("Sign", context.Request.Headers["Sign"]); ???????request.Accept = "text/html, application/xhtml+xml, */*"; ???????request.ContentType = "application/x-www-form-urlencoded"; ???????byte[] buffer = encoding.GetBytes(RequestString.ToString()); ???????request.ContentLength = buffer.Length; ???????request.GetRequestStream().Write(buffer, 0, buffer.Length); ???????HttpWebResponse response = (HttpWebResponse)request.GetResponse(); ???????using (StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.UTF8)) ???????{ ???????????json = reader.ReadToEnd(); ???????}