示例#1
0
        public async Task <HttpResponseMessage> Upload(int fileType)
        {
            if (!Request.Content.IsMimeMultipartContent())
            {
                throw new HttpResponseException(HttpStatusCode.UnsupportedMediaType);
            }
            var provider = new MultipartMemoryStreamProvider();
            List <tbl_FileManager> fileList = new List <tbl_FileManager>();
            //开始上传文件
            await Request.Content.ReadAsMultipartAsync(provider);

            foreach (var file in provider.Contents)
            {
                var FileName          = file.Headers.ContentDisposition.FileName;
                var FileExtensionName = Path.GetExtension(FileName.Replace("\"", string.Empty)).Replace(".", "");
                var FileDirectory     = _fileService.Upload(await file.ReadAsByteArrayAsync(), FileExtensionName);
                if (null != file.Headers.ContentType)
                {
                    if (file.Headers.ContentType.MediaType.IndexOf("video") >= 0)
                    {
                        var              config     = CicadaFacade.Container.Resolve <IConfigurationDataRespository>();
                        string           basePath   = "c:\\MediaTool\\";
                        string           ffmpeg_exe = basePath + "ffmpeg.exe";
                        string           temp_files = basePath + Guid.NewGuid() + ".jpg";
                        string           arguments  = " -i " + config.Get("Cicada.FileSystem.LocalUrlPrefix") + "/fs/" + FileDirectory;
                        ProcessStartInfo startInfo  = new ProcessStartInfo(ffmpeg_exe);
                        startInfo.CreateNoWindow  = true;
                        startInfo.WindowStyle     = ProcessWindowStyle.Hidden;
                        startInfo.UseShellExecute = false;
                        startInfo.Arguments       = arguments + " -y -f image2 -ss 00:00:01 -t 0.001 -vf transpose=1 " + temp_files;
                        try
                        {
                            using (Process proc = Process.Start(startInfo))
                            {
                                proc.WaitForExit();
                                if (File.Exists(temp_files))
                                {
                                    var bytes = File.ReadAllBytes(temp_files);
                                    using (var fileStream = new MemoryStream(bytes))
                                    {
                                        FileDirectory += ";" + _fileService.Upload(fileStream.ToArray(), "jpg");
                                    }
                                    File.Delete(temp_files);
                                }
                            }
                        }
                        catch { }
                    }
                }
                var FileModel = new tbl_FileManager
                {
                    FileID        = Guid.NewGuid().ToString(),
                    FileDirectory = FileDirectory,
                    FileDate      = DateTime.Now.ToString("yyyyMMddHHmmss")
                };
                _mysqlService.FileInsert(JsonConvert.SerializeObject(FileModel));
                fileList.Add(FileModel);
            }
            var resp = new HttpResponseMessage(HttpStatusCode.OK)
            {
                Content = new StringContent(JsonConvert.SerializeObject(new
                {
                    Data    = fileList.Select(s => s.FileID).ToList(),
                    Status  = 200,
                    Message = "成功加载数据"
                }), Encoding.GetEncoding("UTF-8"))
            };

            return(resp);
        }