将最大400MB的文件上传到ASP.NET Core 3.1

问题描述

我正在使用ASP.NET Core 3.1，这是我从客户端上传文件（视频）的代码。我的问题是，最多10MB的上传花费了太多时间。是否可以通过流或其他任何最佳做法进行上传？

我所需的文件大小最大为400MB。

/// <response code="200">If all working fine</response>
/// <response code="403">If client made some mistake</response>  
/// <response code="500">If Server Error</response>  
[ProducesResponseType(200)]
[ProducesResponseType(403)]
[ProducesResponseType(500)]
[ProducesResponseType(typeof(Response<List<FileUrlResponce>>),200)]
[ProducesResponseType(typeof(Response<List<FileUrlResponce>>),403)]
[CustomAuthorize(false)]
[HttpPost]
[Route("uploadmedias3")]
public async Task<IActionResult> UploadMediaS3([FromForm]UploadDocuments param,IFormFile mediaFile)
{
    try
    {
        var response = new List<FileUrlResponce>();
        FileUrlResponce vedioFile = new FileUrlResponce();

        var fileName = mediaFile.FileName;
        if (param.Type == (int)EDocumentType.Image)
        {
            var file = await new SaveFiles().SendMyFiletoS3(mediaFile,configuration.GetValue<string>("Amazon:Bucket"),"ProfilePicture",false,configuration.GetValue<string>("Amazon:AccessKey"),configuration.GetValue<string>("Amazon:AccessSecret"),configuration.GetValue<string>("Amazon:BaseUrl"));

            if (!string.IsNullOrEmpty(file.URL))
            {
                file.URL = file.URL;
                response.Add(file);
            }
        }
        else if (param.Type == (int)EDocumentType.Video)
        {
            vedioFile = await new SaveFiles().SendMyFiletoS3(mediaFile,true,configuration.GetValue<string>("Amazon:BaseUrl"));

            if (!string.IsNullOrEmpty(vedioFile.URL) && !string.IsNullOrEmpty(vedioFile.ThumbUrl))
            {
                response.Add(vedioFile);
            }
        }
        else if (param.Type == (int)EDocumentType.Document)
        {
            var file = await new SaveFiles().SendMyFiletoS3(mediaFile,configuration.GetValue<string>("Amazon:BaseUrl"));

            if (!string.IsNullOrEmpty(file.URL))
            {
                file.URL = file.URL;
                response.Add(file);
            }
        }

        if (response.Any())
        {
            return StatusCode(StatusCodes.Status200OK,new Response<List<FileUrlResponce>>() { isError = false,messages = "",data = response });
        }
        else
        {
            return StatusCode(StatusCodes.Status403Forbidden,new Response<List<FileUrlResponce>>() { isError = true,messages = Error.FileNotFound,data = new List<FileUrlResponce>() });
        }
    }
    catch (Exception ex)
    {
        throw ex;
    }
}

SaveFile（）。SendMyFiletoS3（）=>方法代码总时间在服务器上载，然后s3是2-3分钟，84MB，宽带速度为10MB / s

      public async Task<FileUrlResponce> SendMyFiletoS3(IFormFile file,string bucketName,string subdirectoryInBucket,bool isvedio,string accessKey,string accessSecret,string baseUrl)
    {
        try
        {
            FileUrlResponce reponse = new FileUrlResponce();
            var FileName = DateTime.Now.ToString("yyyyMMddHHmmssfff") + "_" + Guid.NewGuid().ToString("N") + Path.GetExtension(file.FileName);
            using (var source = file.OpenReadStream())
            {
                source.Position = 0; Stream thumbStream = new MemoryStream(); source.copyTo(thumbStream); var client = new AmazonS3Client(accessKey,accessSecret,RegionEndpoint.USEast1); PutObjectRequest putRequest = new PutObjectRequest
                {
                    BucketName = bucketName,Key = subdirectoryInBucket + "/" + FileName,InputStream = source,ContentType = file.ContentType,CannedACL = S3CannedACL.PublicRead
                }; PutObjectResponse response = await client.PutObjectAsync(putRequest);

                reponse.URL = baseUrl + putRequest.Key;

                if (!isvedio)
                {
                    thumbStream.Seek(0,SeekOrigin.Begin);
                    thumbStream.Position = 0;

                    Bitmap srcBmp = new Bitmap(thumbStream);
                    float ratio = 1;
                    float minSize = Math.Min(256,256);

                    if (srcBmp.PropertyIdList.Contains(0x112)) //0x112 = Orientation
                    {
                        var prop = srcBmp.GetPropertyItem(0x112);
                        if (prop.Type == 3 && prop.Len == 2)
                        {
                            UInt16 orientationExif = BitConverter.ToUInt16(srcBmp.GetPropertyItem(0x112).Value,0);
                            if (orientationExif == 8)
                            {
                                srcBmp.RotateFlip(RotateFlipType.Rotate270FlipNone);
                            }
                            else if (orientationExif == 3)
                            {
                                srcBmp.RotateFlip(RotateFlipType.Rotate180FlipNone);
                            }
                            else if (orientationExif == 6)
                            {
                                srcBmp.RotateFlip(RotateFlipType.Rotate90FlipNone);
                            }
                        }
                    }

                    if (srcBmp.Width > srcBmp.Height)
                    {
                        ratio = minSize / (float)srcBmp.Width;
                    }
                    else
                    {
                        ratio = minSize / (float)srcBmp.Height;
                    }

                    Sizef newSize = new Sizef(srcBmp.Width * ratio,srcBmp.Height * ratio);
                    Bitmap target = new Bitmap((int)newSize.Width,(int)newSize.Height);


                    Stream saveableThumbStream = new MemoryStream();

                    using (Graphics graphics = Graphics.FromImage(target))
                    {
                        graphics.CompositingQuality = CompositingQuality.HighSpeed;
                        graphics.InterpolationMode = InterpolationMode.HighQualityBicubic;
                        graphics.CompositingMode = CompositingMode.sourcecopy;
                        graphics.DrawImage(srcBmp,newSize.Width,newSize.Height);
                        graphics.dispose();

                        target.Save(saveableThumbStream,ImageFormat.Jpeg);


                    }

                    PutObjectRequest putRequestThumb = new PutObjectRequest
                    {
                        BucketName = bucketName,Key = subdirectoryInBucket + "/thumb_" + FileName,InputStream = saveableThumbStream,CannedACL = S3CannedACL.PublicRead
                    };
                    PutObjectResponse responseThumb = await client.PutObjectAsync(putRequestThumb);

                    reponse.ThumbUrl = baseUrl + putRequestThumb.Key;
                }
                else
                {
                    reponse.ThumbUrl = baseUrl + putRequest.Key;
                }

            }
            return reponse;
        }
        catch (Exception ex) { throw ex; }
    }

解决方法

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