我正在遍历数据库中的文件名和Azure存储中的相同文件。我正在压缩这n个文件并从azure存储器下载。我将压缩文件保存到本地存储中。当我提取并想要查看文件时,它说已损坏/损坏。
public ActionResult Download(string productid, string YearActiveid)
{
HomePageModel homepagemodel = new HomePageModel();
homepagemodel.ProdHeaderDetail = GetProductHeaderDetail(productid, YearActiveid);
homepagemodel.PriorYearsActive = GetPriorYearActive(productid, YearActiveid);
CloudStorageAccount cloudStorageAccount = CloudStorageAccount.Parse("DefaultEndpointsProtocol=https;AccountName=<name>;AccountKey=<key>;EndpointSuffix=core.windows.net");
CloudBlobClient cloudBlobClient = cloudStorageAccount.CreateCloudBlobClient();
CloudBlobContainer cloudBlobContainer = cloudBlobClient.GetContainerReference("product");
var blobFileNames = new string[] { "file1.png", "file2.png", "file3.png", "file4.png" };
var outputMemStream = new MemoryStream();
var zipOutputStream = new ZipOutputStream(outputMemStream);
foreach (var ProdHeaderDetail in homepagemodel.ProdHeaderDetail)
{
zipOutputStream.SetLevel(5);
var blob = cloudBlobContainer.GetBlockBlobReference(ProdHeaderDetail.FileName);
var entry = new ZipEntry(ProdHeaderDetail.FileName);
zipOutputStream.PutNextEntry(entry);
blob.DownloadToStreamAsync(zipOutputStream);
}
zipOutputStream.Finish();
//zipOutputStream.Close();
//zipOutputStream.CloseEntry();
zipOutputStream.IsStreamOwner = false;
outputMemStream.Position = 0;
return File(outputMemStream, "application/zip", "filename.zip");
}
我通过添加异步和等待解决了该问题
公共异步任务下载(字符串productid,字符串YearActiveid)
等待blob.DownloadToStreamAsync(zipOutputStream);