Esempio n. 1
0
 static MimeMapping()
 {
     MimeMapping._mimeMappingTable = new Dictionary <string, string>(190, StringComparer.CurrentCultureIgnoreCase);
     MimeMapping.AddMimeMapping(".323", "text/h323");
     MimeMapping.AddMimeMapping(".asx", "video/x-ms-asf");
     MimeMapping.AddMimeMapping(".acx", "application/internet-property-stream");
     MimeMapping.AddMimeMapping(".ai", "application/postscript");
     MimeMapping.AddMimeMapping(".aif", "audio/x-aiff");
     MimeMapping.AddMimeMapping(".aiff", "audio/aiff");
     MimeMapping.AddMimeMapping(".axs", "application/olescript");
     MimeMapping.AddMimeMapping(".aifc", "audio/aiff");
     MimeMapping.AddMimeMapping(".asr", "video/x-ms-asf");
     MimeMapping.AddMimeMapping(".avi", "video/x-msvideo");
     MimeMapping.AddMimeMapping(".asf", "video/x-ms-asf");
     MimeMapping.AddMimeMapping(".au", "audio/basic");
     MimeMapping.AddMimeMapping(".application", "application/x-ms-application");
     MimeMapping.AddMimeMapping(".bin", "application/octet-stream");
     MimeMapping.AddMimeMapping(".bas", "text/plain");
     MimeMapping.AddMimeMapping(".bcpio", "application/x-bcpio");
     MimeMapping.AddMimeMapping(".bmp", "image/bmp");
     MimeMapping.AddMimeMapping(".cdf", "application/x-cdf");
     MimeMapping.AddMimeMapping(".cat", "application/vndms-pkiseccat");
     MimeMapping.AddMimeMapping(".crt", "application/x-x509-ca-cert");
     MimeMapping.AddMimeMapping(".c", "text/plain");
     MimeMapping.AddMimeMapping(".css", "text/css");
     MimeMapping.AddMimeMapping(".cer", "application/x-x509-ca-cert");
     MimeMapping.AddMimeMapping(".crl", "application/pkix-crl");
     MimeMapping.AddMimeMapping(".cmx", "image/x-cmx");
     MimeMapping.AddMimeMapping(".csh", "application/x-csh");
     MimeMapping.AddMimeMapping(".cod", "image/cis-cod");
     MimeMapping.AddMimeMapping(".cpio", "application/x-cpio");
     MimeMapping.AddMimeMapping(".clp", "application/x-msclip");
     MimeMapping.AddMimeMapping(".crd", "application/x-mscardfile");
     MimeMapping.AddMimeMapping(".deploy", "application/octet-stream");
     MimeMapping.AddMimeMapping(".dll", "application/x-msdownload");
     MimeMapping.AddMimeMapping(".dot", "application/msword");
     MimeMapping.AddMimeMapping(".doc", "application/msword");
     MimeMapping.AddMimeMapping(".docx", "application/vnd.openxmlformats-officedocument.wordprocessingml.document");
     MimeMapping.AddMimeMapping(".dvi", "application/x-dvi");
     MimeMapping.AddMimeMapping(".dir", "application/x-director");
     MimeMapping.AddMimeMapping(".dxr", "application/x-director");
     MimeMapping.AddMimeMapping(".der", "application/x-x509-ca-cert");
     MimeMapping.AddMimeMapping(".dib", "image/bmp");
     MimeMapping.AddMimeMapping(".dcr", "application/x-director");
     MimeMapping.AddMimeMapping(".disco", "text/xml");
     MimeMapping.AddMimeMapping(".exe", "application/octet-stream");
     MimeMapping.AddMimeMapping(".etx", "text/x-setext");
     MimeMapping.AddMimeMapping(".evy", "application/envoy");
     MimeMapping.AddMimeMapping(".eml", "message/rfc822");
     MimeMapping.AddMimeMapping(".eps", "application/postscript");
     MimeMapping.AddMimeMapping(".flr", "x-world/x-vrml");
     MimeMapping.AddMimeMapping(".fif", "application/fractals");
     MimeMapping.AddMimeMapping(".gtar", "application/x-gtar");
     MimeMapping.AddMimeMapping(".gif", "image/gif");
     MimeMapping.AddMimeMapping(".gz", "application/x-gzip");
     MimeMapping.AddMimeMapping(".hta", "application/hta");
     MimeMapping.AddMimeMapping(".htc", "text/x-component");
     MimeMapping.AddMimeMapping(".htt", "text/webviewhtml");
     MimeMapping.AddMimeMapping(".h", "text/plain");
     MimeMapping.AddMimeMapping(".hdf", "application/x-hdf");
     MimeMapping.AddMimeMapping(".hlp", "application/winhlp");
     MimeMapping.AddMimeMapping(".html", "text/html");
     MimeMapping.AddMimeMapping(".htm", "text/html");
     MimeMapping.AddMimeMapping(".hqx", "application/mac-binhex40");
     MimeMapping.AddMimeMapping(".isp", "application/x-internet-signup");
     MimeMapping.AddMimeMapping(".iii", "application/x-iphone");
     MimeMapping.AddMimeMapping(".ief", "image/ief");
     MimeMapping.AddMimeMapping(".ivf", "video/x-ivf");
     MimeMapping.AddMimeMapping(".ins", "application/x-internet-signup");
     MimeMapping.AddMimeMapping(".ico", "image/x-icon");
     MimeMapping.AddMimeMapping(".jpg", "image/jpeg");
     MimeMapping.AddMimeMapping(".jfif", "image/pjpeg");
     MimeMapping.AddMimeMapping(".jpe", "image/jpeg");
     MimeMapping.AddMimeMapping(".jpeg", "image/jpeg");
     MimeMapping.AddMimeMapping(".js", "application/x-javascript");
     MimeMapping.AddMimeMapping(".lsx", "video/x-la-asf");
     MimeMapping.AddMimeMapping(".latex", "application/x-latex");
     MimeMapping.AddMimeMapping(".lsf", "video/x-la-asf");
     MimeMapping.AddMimeMapping(".manifest", "application/x-ms-manifest");
     MimeMapping.AddMimeMapping(".mhtml", "message/rfc822");
     MimeMapping.AddMimeMapping(".mny", "application/x-msmoney");
     MimeMapping.AddMimeMapping(".mht", "message/rfc822");
     MimeMapping.AddMimeMapping(".mid", "audio/mid");
     MimeMapping.AddMimeMapping(".mpv2", "video/mpeg");
     MimeMapping.AddMimeMapping(".man", "application/x-troff-man");
     MimeMapping.AddMimeMapping(".mvb", "application/x-msmediaview");
     MimeMapping.AddMimeMapping(".mpeg", "video/mpeg");
     MimeMapping.AddMimeMapping(".m3u", "audio/x-mpegurl");
     MimeMapping.AddMimeMapping(".mdb", "application/x-msaccess");
     MimeMapping.AddMimeMapping(".mpp", "application/vnd.ms-project");
     MimeMapping.AddMimeMapping(".m1v", "video/mpeg");
     MimeMapping.AddMimeMapping(".mpa", "video/mpeg");
     MimeMapping.AddMimeMapping(".me", "application/x-troff-me");
     MimeMapping.AddMimeMapping(".m13", "application/x-msmediaview");
     MimeMapping.AddMimeMapping(".movie", "video/x-sgi-movie");
     MimeMapping.AddMimeMapping(".m14", "application/x-msmediaview");
     MimeMapping.AddMimeMapping(".mpe", "video/mpeg");
     MimeMapping.AddMimeMapping(".mp2", "video/mpeg");
     MimeMapping.AddMimeMapping(".mov", "video/quicktime");
     MimeMapping.AddMimeMapping(".mp3", "audio/mpeg");
     MimeMapping.AddMimeMapping(".mpg", "video/mpeg");
     MimeMapping.AddMimeMapping(".ms", "application/x-troff-ms");
     MimeMapping.AddMimeMapping(".nc", "application/x-netcdf");
     MimeMapping.AddMimeMapping(".nws", "message/rfc822");
     MimeMapping.AddMimeMapping(".oda", "application/oda");
     MimeMapping.AddMimeMapping(".ods", "application/oleobject");
     MimeMapping.AddMimeMapping(".pmc", "application/x-perfmon");
     MimeMapping.AddMimeMapping(".p7r", "application/x-pkcs7-certreqresp");
     MimeMapping.AddMimeMapping(".p7b", "application/x-pkcs7-certificates");
     MimeMapping.AddMimeMapping(".p7s", "application/pkcs7-signature");
     MimeMapping.AddMimeMapping(".pmw", "application/x-perfmon");
     MimeMapping.AddMimeMapping(".ps", "application/postscript");
     MimeMapping.AddMimeMapping(".p7c", "application/pkcs7-mime");
     MimeMapping.AddMimeMapping(".pbm", "image/x-portable-bitmap");
     MimeMapping.AddMimeMapping(".ppm", "image/x-portable-pixmap");
     MimeMapping.AddMimeMapping(".pub", "application/x-mspublisher");
     MimeMapping.AddMimeMapping(".pnm", "image/x-portable-anymap");
     MimeMapping.AddMimeMapping(".png", "image/png");
     MimeMapping.AddMimeMapping(".pml", "application/x-perfmon");
     MimeMapping.AddMimeMapping(".p10", "application/pkcs10");
     MimeMapping.AddMimeMapping(".pfx", "application/x-pkcs12");
     MimeMapping.AddMimeMapping(".p12", "application/x-pkcs12");
     MimeMapping.AddMimeMapping(".pdf", "application/pdf");
     MimeMapping.AddMimeMapping(".pps", "application/vnd.ms-powerpoint");
     MimeMapping.AddMimeMapping(".p7m", "application/pkcs7-mime");
     MimeMapping.AddMimeMapping(".pko", "application/vndms-pkipko");
     MimeMapping.AddMimeMapping(".ppt", "application/vnd.ms-powerpoint");
     MimeMapping.AddMimeMapping(".pptx", "application/vnd.openxmlformats-officedocument.presentationml.presentation");
     MimeMapping.AddMimeMapping(".pmr", "application/x-perfmon");
     MimeMapping.AddMimeMapping(".pma", "application/x-perfmon");
     MimeMapping.AddMimeMapping(".pot", "application/vnd.ms-powerpoint");
     MimeMapping.AddMimeMapping(".prf", "application/pics-rules");
     MimeMapping.AddMimeMapping(".pgm", "image/x-portable-graymap");
     MimeMapping.AddMimeMapping(".qt", "video/quicktime");
     MimeMapping.AddMimeMapping(".ra", "audio/x-pn-realaudio");
     MimeMapping.AddMimeMapping(".rgb", "image/x-rgb");
     MimeMapping.AddMimeMapping(".ram", "audio/x-pn-realaudio");
     MimeMapping.AddMimeMapping(".rmi", "audio/mid");
     MimeMapping.AddMimeMapping(".ras", "image/x-cmu-raster");
     MimeMapping.AddMimeMapping(".roff", "application/x-troff");
     MimeMapping.AddMimeMapping(".rtf", "application/rtf");
     MimeMapping.AddMimeMapping(".rtx", "text/richtext");
     MimeMapping.AddMimeMapping(".sv4crc", "application/x-sv4crc");
     MimeMapping.AddMimeMapping(".spc", "application/x-pkcs7-certificates");
     MimeMapping.AddMimeMapping(".setreg", "application/set-registration-initiation");
     MimeMapping.AddMimeMapping(".snd", "audio/basic");
     MimeMapping.AddMimeMapping(".stl", "application/vndms-pkistl");
     MimeMapping.AddMimeMapping(".setpay", "application/set-payment-initiation");
     MimeMapping.AddMimeMapping(".stm", "text/html");
     MimeMapping.AddMimeMapping(".shar", "application/x-shar");
     MimeMapping.AddMimeMapping(".sh", "application/x-sh");
     MimeMapping.AddMimeMapping(".sit", "application/x-stuffit");
     MimeMapping.AddMimeMapping(".spl", "application/futuresplash");
     MimeMapping.AddMimeMapping(".sct", "text/scriptlet");
     MimeMapping.AddMimeMapping(".scd", "application/x-msschedule");
     MimeMapping.AddMimeMapping(".sst", "application/vndms-pkicertstore");
     MimeMapping.AddMimeMapping(".src", "application/x-wais-source");
     MimeMapping.AddMimeMapping(".sv4cpio", "application/x-sv4cpio");
     MimeMapping.AddMimeMapping(".tex", "application/x-tex");
     MimeMapping.AddMimeMapping(".tgz", "application/x-compressed");
     MimeMapping.AddMimeMapping(".t", "application/x-troff");
     MimeMapping.AddMimeMapping(".tar", "application/x-tar");
     MimeMapping.AddMimeMapping(".tr", "application/x-troff");
     MimeMapping.AddMimeMapping(".tif", "image/tiff");
     MimeMapping.AddMimeMapping(".txt", "text/plain");
     MimeMapping.AddMimeMapping(".texinfo", "application/x-texinfo");
     MimeMapping.AddMimeMapping(".trm", "application/x-msterminal");
     MimeMapping.AddMimeMapping(".tiff", "image/tiff");
     MimeMapping.AddMimeMapping(".tcl", "application/x-tcl");
     MimeMapping.AddMimeMapping(".texi", "application/x-texinfo");
     MimeMapping.AddMimeMapping(".tsv", "text/tab-separated-values");
     MimeMapping.AddMimeMapping(".ustar", "application/x-ustar");
     MimeMapping.AddMimeMapping(".uls", "text/iuls");
     MimeMapping.AddMimeMapping(".vcf", "text/x-vcard");
     MimeMapping.AddMimeMapping(".wps", "application/vnd.ms-works");
     MimeMapping.AddMimeMapping(".wav", "audio/wav");
     MimeMapping.AddMimeMapping(".wrz", "x-world/x-vrml");
     MimeMapping.AddMimeMapping(".wri", "application/x-mswrite");
     MimeMapping.AddMimeMapping(".wks", "application/vnd.ms-works");
     MimeMapping.AddMimeMapping(".wmf", "application/x-msmetafile");
     MimeMapping.AddMimeMapping(".wcm", "application/vnd.ms-works");
     MimeMapping.AddMimeMapping(".wrl", "x-world/x-vrml");
     MimeMapping.AddMimeMapping(".wdb", "application/vnd.ms-works");
     MimeMapping.AddMimeMapping(".wsdl", "text/xml");
     MimeMapping.AddMimeMapping(".xap", "application/x-silverlight-app");
     MimeMapping.AddMimeMapping(".xml", "text/xml");
     MimeMapping.AddMimeMapping(".xlm", "application/vnd.ms-excel");
     MimeMapping.AddMimeMapping(".xaf", "x-world/x-vrml");
     MimeMapping.AddMimeMapping(".xla", "application/vnd.ms-excel");
     MimeMapping.AddMimeMapping(".xls", "application/vnd.ms-excel");
     MimeMapping.AddMimeMapping(".xlsx", "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet");
     MimeMapping.AddMimeMapping(".xof", "x-world/x-vrml");
     MimeMapping.AddMimeMapping(".xlt", "application/vnd.ms-excel");
     MimeMapping.AddMimeMapping(".xlc", "application/vnd.ms-excel");
     MimeMapping.AddMimeMapping(".xsl", "text/xml");
     MimeMapping.AddMimeMapping(".xbm", "image/x-xbitmap");
     MimeMapping.AddMimeMapping(".xlw", "application/vnd.ms-excel");
     MimeMapping.AddMimeMapping(".xpm", "image/x-xpixmap");
     MimeMapping.AddMimeMapping(".xwd", "image/x-xwindowdump");
     MimeMapping.AddMimeMapping(".xsd", "text/xml");
     MimeMapping.AddMimeMapping(".z", "application/x-compress");
     MimeMapping.AddMimeMapping(".zip", "application/x-zip-compressed");
     MimeMapping.AddMimeMapping(".*", "application/octet-stream");
 }
Esempio n. 2
0
        /// <summary>
        /// 同步上传文件
        /// </summary>
        /// <param name="fileInfo">文件信息</param>
        /// <param name="toUserName">发送人UserName,其实没什么用,但是官方有这个参数</param>
        /// <returns></returns>
        public UploadMediaResponse UploadFile(FileInfo fileInfo, string toUserName)
        {
            string             postUrl            = uploadHost + "/cgi-bin/mmwebwx-bin/webwxuploadmedia?f=json";
            int                bufferLength       = 512 * 1024;
            string             datetime           = DateTime.Now.ToString("ddd MMM dd yyyy HH:mm:ss", CultureInfo.CreateSpecificCulture("en-US")) + " GMT+0800 (中国标准时间)";
            UploadMediaRequest uploadMediaRequest = new UploadMediaRequest()
            {
                UploadType    = 2,
                BaseRequest   = baseRequest,
                ClientMediaId = Utils.GetJavaTimeStamp(),
                TotalLen      = fileInfo.Length,
                StartPos      = 0,
                DataLen       = fileInfo.Length,
                MediaType     = 4,
                FromUserName  = user.UserName,
                ToUserName    = toUserName,
                FileMd5       = Utils.GetFileMD5Hash(fileInfo)
            };
            UploadMediaResponse response = null;

            //文件大小超过512Kb,分块上传。
            if (fileInfo.Length > bufferLength)
            {
                int    chunks     = (int)Math.Ceiling((double)fileInfo.Length / bufferLength);
                byte[] buffer     = new byte[bufferLength];
                Stream readStream = fileInfo.OpenRead();
                int    chunk      = 0;
                int    readLength = 0;
                while ((readLength = readStream.Read(buffer, 0, buffer.Length)) != 0)
                {
                    List <FormDataItem> dataList = new List <FormDataItem>()
                    {
                        new FormDataItem("id", "WU_FILE_" + uploadMedia.Count),
                        new FormDataItem("name", fileInfo.Name),
                        new FormDataItem("type", MimeMapping.GetMimeMapping(fileInfo.Name)),
                        new FormDataItem("lastModifiedDate", datetime),
                        new FormDataItem("size", fileInfo.Length.ToString()),
                        new FormDataItem("chunks", chunks.ToString()),
                        new FormDataItem("chunk", chunk.ToString()),
                        new FormDataItem("mediatype", GetMediaType(fileInfo.Extension)),
                        new FormDataItem("uploadmediarequest", JsonConvert.SerializeObject(uploadMediaRequest, Newtonsoft.Json.Formatting.None)),
                        new FormDataItem("webwx_data_ticket", httpClient.CookieContainer.GetCookies(new Uri(cookieRedirectUri))["webwx_data_ticket"].Value),
                        new FormDataItem("pass_ticket", passTicket),
                        new FormDataItem("filename", fileInfo.Name, buffer, readLength)
                    };
                    string result = httpClient.PostMutipart(postUrl, dataList);
                    response = JsonConvert.DeserializeObject <UploadMediaResponse>(result);
                    chunk++;
                }
            }
            else
            {
                byte[] buffer                = new byte[fileInfo.Length];
                Stream readStream            = fileInfo.OpenRead();
                int    readLength            = readStream.Read(buffer, 0, buffer.Length);
                List <FormDataItem> dataList = new List <FormDataItem>()
                {
                    new FormDataItem("id", "WU_FILE_" + uploadMedia.Count),
                    new FormDataItem("name", fileInfo.Name),
                    new FormDataItem("type", MimeMapping.GetMimeMapping(fileInfo.Name)),
                    new FormDataItem("lastModifiedDate", datetime),
                    new FormDataItem("size", fileInfo.Length.ToString()),
                    new FormDataItem("mediatype", GetMediaType(fileInfo.Extension)),
                    new FormDataItem("uploadmediarequest", JsonConvert.SerializeObject(uploadMediaRequest, Newtonsoft.Json.Formatting.None)),
                    new FormDataItem("webwx_data_ticket", httpClient.CookieContainer.GetCookies(new Uri(cookieRedirectUri))["webwx_data_ticket"].Value),
                    new FormDataItem("pass_ticket", passTicket),
                    new FormDataItem("filename", fileInfo.Name, buffer, readLength)
                };
                string result = httpClient.PostMutipart(postUrl, dataList);
                response = JsonConvert.DeserializeObject <UploadMediaResponse>(result);
            }
            uploadMedia.Add(fileInfo.Name, response.MediaId);
            return(response);
        }
Esempio n. 3
0
        public string PostMutipart(string url, List <FormDataItem> dataList)
        {
            string result   = string.Empty;
            var    boundary = "----WebKitFormBoundary" + Guid.NewGuid().ToString("N").Substring(0, 16);
            Stream stream   = Retry <Stream>(() =>
            {
                HttpWebRequest request = WebRequest.Create(url) as HttpWebRequest;
                request.Method         = "POST";
                request.Accept         = "*/*";
                request.KeepAlive      = true;
                request             = PretendWechat(request);
                request.ContentType = "multipart/form-data; boundary=" + boundary;
                var sw = new StreamWriter(request.GetRequestStream());
                foreach (var item in dataList)
                {
                    if (item.isFile)
                    {
                        sw.Write(string.Format("--{0}\r\nContent-Disposition: form-data; name=\"{1}\"; {2}=\"{3}\"\r\nContent-Type: {4}\r\n\r\n", boundary, item.Name, item.Name, item.FileName, MimeMapping.GetMimeMapping(item.FileName)));
                        sw.Flush();
                        sw.BaseStream.Write(item.Content, 0, item.ContentLength);
                        sw.Write("\r\n");
                    }
                    else
                    {
                        sw.Write(string.Format("--{0}\r\nContent-Disposition: form-data; name=\"{1}\"\r\n\r\n{2}\r\n", boundary, item.Name, item.Value));
                    }
                    sw.Flush();
                }
                sw.Write("--" + boundary + "--\r\n");
                sw.Flush();
                sw.Close();
                HttpWebResponse response = request.GetResponse() as HttpWebResponse;
                return(response.GetResponseStream());
            });

            using (stream)
            {
                StreamReader sr = new StreamReader(stream);
                result = sr.ReadToEnd();
            }
            return(result);
        }
Esempio n. 4
0
        /// <summary>
        /// 同步发送文件,自动分块上传,文件较大可能会卡住进程,建议异步发送
        /// </summary>
        /// <param name="fileInfo">文件信息</param>
        /// <param name="toUserName">发送人UserName</param>
        /// <returns></returns>
        public SendMsgResponse SendMsg(FileInfo fileInfo, string toUserName)
        {
            string mediaId = string.Empty;

            if (uploadMedia.Keys.Contains(fileInfo.Name))
            {
                mediaId = uploadMedia[fileInfo.Name];
            }
            else
            {
                UploadMediaResponse uploadMediaResponse = UploadFile(fileInfo, toUserName);
                mediaId = uploadMediaResponse.MediaId;
            }
            string          mime     = MimeMapping.GetMimeMapping(fileInfo.Name);
            string          time     = Utils.GetJavaTimeStamp().ToString();
            SendMsgResponse response = null;

            if (mime.StartsWith("image"))
            {
                string sendMsgUrl = string.Format(host + "/cgi-bin/mmwebwx-bin/webwxsendmsgimg?fun=async&f=json&lang=zh_CN&pass_ticket={0}", passTicket);
                SendMediaMsgRequest sendImgMsgRequest = new SendMediaMsgRequest()
                {
                    BaseRequest = baseRequest,
                    Msg         = new MediaMsg()
                    {
                        ClientMsgId  = time,
                        FromUserName = user.UserName,
                        LocalID      = time,
                        MediaId      = mediaId,
                        ToUserName   = toUserName,
                        Type         = MSGTYPE.MSGTYPE_IMAGE
                    },
                    Scene = 0
                };
                response = httpClient.PostJson <SendMsgResponse>(sendMsgUrl, sendImgMsgRequest);
            }
            else if (mime.StartsWith("video"))
            {
                string sendMsgUrl = string.Format(host + "/cgi-bin/mmwebwx-bin/webwxsendvideomsg?fun=async&f=json&lang=zh_CN&pass_ticket={0}", passTicket);
                SendMediaMsgRequest sendImgMsgRequest = new SendMediaMsgRequest()
                {
                    BaseRequest = baseRequest,
                    Msg         = new MediaMsg()
                    {
                        ClientMsgId  = time,
                        FromUserName = user.UserName,
                        LocalID      = time,
                        MediaId      = mediaId,
                        ToUserName   = toUserName,
                        Type         = MSGTYPE.MSGTYPE_IMAGE
                    },
                    Scene = 0
                };
                response = httpClient.PostJson <SendMsgResponse>(sendMsgUrl, sendImgMsgRequest);
            }
            else
            {
                string         sendMsgUrl        = string.Format(host + "/cgi-bin/mmwebwx-bin/webwxsendappmsg?fun=async&f=json&lang=zh_CN&pass_ticket={0}", passTicket);
                SendMsgRequest sendAppMsgRequest = new SendMsgRequest()
                {
                    BaseRequest = baseRequest,
                    Msg         = new Msg()
                    {
                        ClientMsgId  = time,
                        Content      = string.Format("<appmsg appid='wxeb7ec651dd0aefa9' sdkver=''><title>{0}</title><des></des><action></action><type>6</type><content></content><url></url><lowurl></lowurl><appattach><totallen>{1}</totallen><attachid>{2}</attachid><fileext>{3}</fileext></appattach><extinfo></extinfo></appmsg>", fileInfo.Name, fileInfo.Length, mediaId, fileInfo.Extension.Substring(1)),
                        FromUserName = user.UserName,
                        ToUserName   = toUserName,
                        LocalID      = time,
                        Type         = MSGTYPE.MSGTYPE_DOC
                    },
                    Scene = 0
                };
                response = httpClient.PostJson <SendMsgResponse>(sendMsgUrl, sendAppMsgRequest);
            }
            return(response);
        }