Пример #1
0
        public static HttpWebResponse PostFile(YopRequest yopRequest, IEnumerable <UploadFile> files)
        {
            string         boundary = "----------------------------" + DateTime.Now.Ticks.ToString("x");
            HttpWebRequest request  = (HttpWebRequest)WebRequest.Create(yopRequest.getAbsoluteURL());

            request.ContentType = "multipart/form-data; boundary=" + boundary;
            request.Headers.Add("Request-Id", UUIDGenerator.generate());
            request.Method      = "POST";
            request.KeepAlive   = true;
            request.Credentials = CredentialCache.DefaultCredentials;

            MemoryStream stream = new MemoryStream();

            byte[] line = Encoding.ASCII.GetBytes("\r\n--" + boundary + "\r\n");
            NameValueCollection values = yopRequest.getParams();

            //提交文本字段
            if (values != null)
            {
                string format = "\r\n--" + boundary + "\r\nContent-Disposition: form-data; name=\"{0}\";\r\n\r\n{1}";
                foreach (string key in values.Keys)
                {
                    string s    = string.Format(format, key, values[key]);
                    byte[] data = Encoding.UTF8.GetBytes(s);
                    stream.Write(data, 0, data.Length);
                }
                stream.Write(line, 0, line.Length);
            }

            line = Encoding.ASCII.GetBytes("\r\n--" + boundary + "--\r\n");
            //提交文件
            if (files != null)
            {
                string fformat = "Content-Disposition: form-data; name=\"{0}\"; filename=\"{1}\"\r\nContent-Type: application/octet-stream\r\n\r\n";
                foreach (UploadFile file in files)
                {
                    string s    = string.Format(fformat, file.Name, file.Filename);
                    byte[] data = Encoding.UTF8.GetBytes(s);
                    stream.Write(data, 0, data.Length);

                    stream.Write(file.Data, 0, file.Data.Length);
                    stream.Write(line, 0, line.Length);
                }
            }


            request.ContentLength = stream.Length;


            Stream requestStream = request.GetRequestStream();

            stream.Position = 0L;
            stream.WriteTo(requestStream);
            stream.Close();

            requestStream.Close();
            HttpWebResponse response = (HttpWebResponse)request.GetResponse();

            return(response);
        }
Пример #2
0
        public static HttpWebResponse PostAndGetHttpWebResponse(YopRequest yopRequest, string method)//(string targetUrl, string param, string method, int timeOut)
        {
            try
            {
                string          targetUrl = yopRequest.getAbsoluteURL(); //请求地址
                CookieContainer cc        = new CookieContainer();
                string          param     = yopRequest.toQueryString();  //请求参数
                byte[]          data      = Encoding.GetEncoding("UTF-8").GetBytes(param);
                if (method.ToUpper() == "GET")
                {
                    targetUrl = targetUrl + (param.Length == 0 ? "" : ("?" + param));
                }

                // 2.0 https证书无效解决方法
                ServicePointManager.ServerCertificateValidationCallback = new System.Net.Security.RemoteCertificateValidationCallback(CheckValidationResult);
                // 1.1 https证书无效解决方法
                ServicePointManager.CertificatePolicy = new AcceptAllCertificatePolicy();

                System.GC.Collect();//垃圾回收
                ServicePointManager.SecurityProtocol = SecurityProtocolType.Ssl3;
                HttpWebRequest request = (HttpWebRequest)WebRequest.Create(targetUrl);
                request.Timeout = yopRequest.getReadTimeout();
                request.Method  = method.ToUpper();

                request.Accept        = "image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/x-shockwave-flash, application/vnd.ms-excel, application/vnd.ms-powerpoint, application/msword, application/x-ms-application, application/x-ms-xbap, application/vnd.ms-xpsdocument, application/xaml+xml, */*";
                request.ContentType   = "application/x-www-form-urlencoded";
                request.ContentLength = method.ToUpper().Trim() == "POST" ? data.Length : 0;
                request.UserAgent     = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729)";
                //request.Referer = refererUrl;
                request.CookieContainer = cc;
                request.ServicePoint.Expect100Continue = false;
                request.ServicePoint.ConnectionLimit   = 10000;
                request.AllowAutoRedirect = true;
                request.ProtocolVersion   = HttpVersion.Version10; //尝试解决基础链接已关闭问题
                request.KeepAlive         = false;                 //尝试解决基础链接已关闭问题 有可能影响证书问题

                if (method.ToUpper() == "POST")
                {
                    Stream newStream = request.GetRequestStream();
                    newStream.Write(data, 0, data.Length);
                    newStream.Close();
                }

                HttpWebResponse response = (HttpWebResponse)request.GetResponse();
                response.Cookies = cc.GetCookies(request.RequestUri);
                return(response);
            }
            catch (WebException ex)
            {
                System.Diagnostics.Debug.WriteLine(ex.Message);
                return((HttpWebResponse)ex.Response);
            }
        }