コード例 #1
0
        /// <summary>
        /// 文件发送
        /// </summary>
        /// <param name="login"></param>
        /// <param name="listViewItem"></param>
        /// <param name="FilePath"></param>
        /// <param name="FileName"></param>
        public static void FileUpload(Login login, ListViewItem listViewItem, string FilePath, string FileName)
        {
            try
            {
                using (FileStream fileStream = File.OpenRead(FilePath))
                {
                    // 设置请求参数
                    Dictionary <string, string> PostData = new Dictionary <string, string>();
                    PostData.Add("task", "1");
                    PostData.Add("folder_id", "-1");
                    PostData.Add("id", "WU_FILE_0");
                    PostData.Add("name", FilePath);
                    PostData.Add("type", GetType(Path.GetExtension(FilePath)));
                    PostData.Add("lastModifiedDate", ToGMTFormat(DateTime.Now));
                    PostData.Add("size", fileStream.Length.ToString());

                    UploadType uploadType = new UploadType
                    {
                        Login             = login,
                        ViewItem          = listViewItem,
                        FilePath          = FilePath,
                        FileNameValue     = FileName,
                        FileTypeExtension = GetType(Path.GetExtension(FilePath)),
                        UploadStream      = fileStream,
                        PostData          = PostData
                    };

                    // 执行上传
                    NetWork.UploadFile(uploadType, "https://up.woozooo.com/fileup.php");
                }
            }
            catch (Exception ex)
            {
                Console.WriteLine("上传错信息: " + ex.Message);
            }
        }
コード例 #2
0
        public static void UploadFile(UploadType uploadType, string Url)
        {
            using (MemoryStream memoryStream = new MemoryStream())
            {
                // 定义分节符
                // 分界线可以自定义参数
                string boundary      = string.Format("----{0}", DateTime.Now.Ticks.ToString("x")),
                       beginBoundary = string.Format("--{0}\r\n", boundary),
                       endBoundary   = string.Format("\r\n--{0}--\r\n", boundary);

                // 将字符串编码为字节序列
                byte[] beginBoundaryBytes = Encoding.UTF8.GetBytes(beginBoundary),
                endBoundaryBytes = Encoding.UTF8.GetBytes(endBoundary);

                // 组装开始分界线数据体 到内存流中
                memoryStream.Write(beginBoundaryBytes, 0, beginBoundaryBytes.Length);

                // 请求参数写入数据流

                foreach (KeyValuePair <string, string> keyValuePair in uploadType.PostData)
                {
                    string parameterHeaderTemplate = string.Format("Content-Disposition: form-data; name=\"{0}\"\r\n\r\n{1}\r\n{2}", keyValuePair.Key, keyValuePair.Value, beginBoundary);
                    byte[] parameterHeaderBytes    = Encoding.UTF8.GetBytes(parameterHeaderTemplate);

                    memoryStream.Write(parameterHeaderBytes, 0, parameterHeaderBytes.Length);
                }

                // 文件类型名称
                string fileHeaderTemplate = string.Format("Content-Disposition: form-data; name=\"{0}\"; filename=\"{1}\"\r\nContent-Type: {2}\r\n\r\n", uploadType.FileNameKey, uploadType.FileNameValue, uploadType.FileTypeExtension);
                byte[] fileHeaderBytes    = Encoding.UTF8.GetBytes(fileHeaderTemplate);
                memoryStream.Write(fileHeaderBytes, 0, fileHeaderBytes.Length);

                // 组装文件流 到内存流中
                byte[] buffer = new byte[1024 * 1024 * 1];
                int    size   = uploadType.UploadStream.Read(buffer, 0, buffer.Length);
                while (size > 0)
                {
                    memoryStream.Write(buffer, 0, size);
                    size = uploadType.UploadStream.Read(buffer, 0, buffer.Length);
                }

                // 组装结束分界线数据体 到内存流中
                memoryStream.Write(endBoundaryBytes, 0, endBoundaryBytes.Length);
                // 获取二进制数据
                byte[] postBytes = memoryStream.ToArray();
                // HttpWebRequest 组装
                HttpWebRequest webRequest = (HttpWebRequest)WebRequest.Create(new Uri(Url, UriKind.RelativeOrAbsolute));

                webRequest.Method  = "POST";
                webRequest.Timeout = 20000;
                webRequest.ServicePoint.Expect100Continue = false;
                HttpRequestCachePolicy noCachePolicy = new HttpRequestCachePolicy(HttpRequestCacheLevel.NoCacheNoStore);
                webRequest.CachePolicy = noCachePolicy;
                ServicePoint currentServicePoint = webRequest.ServicePoint;
                currentServicePoint.ConnectionLimit = 65500;

                // 写入 ContentType
                webRequest.ContentType = string.Format("multipart/form-data; boundary={0}", boundary);
                webRequest.KeepAlive   = false;

                // 写入cookie
                webRequest.CookieContainer = uploadType.Login.GetCookieContainer();
                // 判断是否HTTPS请求
                if (Regex.IsMatch(Url, "^https://"))
                {
                    ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls;
                    ServicePointManager.ServerCertificateValidationCallback = CheckValidationResult;
                }

                // 9.写入上传请求数据
                using (Stream requestStream = webRequest.GetRequestStream())
                {
                    requestStream.Write(postBytes, 0, postBytes.Length);
                    requestStream.Close();
                }

                // 10.获取响应
                using (HttpWebResponse webResponse = (HttpWebResponse)webRequest.GetResponse())
                {
                    using (StreamReader reader = new StreamReader(webResponse.GetResponseStream(), Encoding.UTF8))
                    {
                        string body = reader.ReadToEnd();

                        ReturnJson ReturnJson = JsonConvert.DeserializeObject <ReturnJson>(body);

                        uploadType.ViewItem.SubItems[3].Text = ReturnJson.zt == 1 ? "√" : "X";
                        uploadType.ViewItem.SubItems[4].Text = ReturnJson.info;

                        reader.Close();
                    }
                }
            }
        }