C#发送http请求

发送http请求，可以用HttpWebRequest，比如：

HttpWebRequest logonReq = (HttpWebRequest)WebRequest.Create("http://127.0.0.1:8097");

也可以直接发送基础字节，但要着重注意：

（1）发送和接收之间要有等待，否则收不到数据。

（2）注意 的使用方式，不要有多余的空格。

 string logonReqStr = "";
            logonReqStr += "POST * HTTP/1.1
";
            logonReqStr += "Content-Type:text/xml;charset=ISO-8859-1
";
            logonReqStr += "Connection:Keep-Alive
";
            logonReqStr += "SOAPAction:http://www.lucian.com/2001/04/ap#LogonRequest
";
            logonReqStr += "Content-Length:263
";
            logonReqStr += "
";
            logonReqStr += "<SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/"><SOAP-ENV:Body><AP-MSG:LogonRequest xmlns:AP-MSG="http://www.lucin.com/2001/04/ap" AP-MSG:UserName="" AP-MSG:Password="" ClientRequestHandle="3208"/></SOAP-ENV:Body></SOAP-ENV:Envelope>";
            byte[] send = Encoding.UTF8.GetBytes(logonReqStr);
            Channel.Send(send, 0, send.Length);
            Thread.Sleep(1000);
            byte[] recvBuff=new byte[1024];
            int recvLen = Channel.ReceiveBySize(recvBuff,0, Channel.AvailableDataNum, 5000);
            string recv = Encoding.ASCII.GetString(recvBuff, 0, recvLen);string[] sArray = Regex.Split(recv, "
", RegexOptions.IgnoreCase);