Azure Blob上传和下载
添加NuGet包：
<package id="Azure.Core" version="1.19.0" targetFramework="net472" />
<package id="Azure.Storage.Blobs" version="12.10.0" targetFramework="net472" />
<package id="Azure.Storage.Common" version="12.9.0" targetFramework="net472" />
1 public JsonResult PreApprovalDocFileUpLoadTest(FormCollection form) 2 { 3 try 4 { 5 if (Request.Files != null && Request.Files.Count > 0) 6 { 7 string asposePath = Server.MapPath(ConfigurationManager.AppSettings["AsposeLicensePath"]); 8 Aspose.Email.License emailicense = new Aspose.Email.License(); 9 emailicense.SetLicense(asposePath); 10 Aspose.Words.License wordLicense = new Aspose.Words.License(); 11 wordLicense.SetLicense(asposePath); 12 13 var accountName = ConfigurationManager.AppSettings["Azure_AccountName"]; 14 var accountKey = ConfigurationManager.AppSettings["Azure_AccountKey"]; 15 var containerName = ConfigurationManager.AppSettings["Azure_ContainerName"]; 16 17 var connectionString = $"DefaultEndpointsProtocol=https;AccountName={accountName};AccountKey={accountKey};EndpointSuffix=core.windows.net"; 18 19 20 for (int i = 0; i < Request.Files.Count; i++) 21 { 22 var file = Request.Files[i]; 23 var fileName = file.FileName; 24 var fileNameWithoutExtension = Path.GetFileNameWithoutExtension(fileName); 25 var extensionName = Path.GetExtension(fileName); 26 var mailMsg = Aspose.Email.MailMessage.Load(file.InputStream); 27 var ms = new MemoryStream(); 28 29 mailMsg.Save(ms, Aspose.Email.SaveOptions.DefaultMhtml); 30 31 // create an instance of LoadOptions and set the LoadFormat to Mhtml 32 var loadOptions = new Aspose.Words.Loading.LoadOptions(); 33 loadOptions.LoadFormat = Aspose.Words.LoadFormat.Mhtml; 34 35 // create an instance of Document and load the MTHML from MemoryStream 36 var document = new Aspose.Words.Document(ms, loadOptions); 37 38 // create an instance of HtmlSaveOptions and set the SaveFormat to Html 39 var saveOptions = new Aspose.Words.Saving.PdfSaveOptions(); 40 41 var filePath = $"C:\\GroupM\\Temp\\{fileNameWithoutExtension}_{DateTime.Now.ToString("yyyyMMddHHmmss")}.pdf"; 42 document.Save(filePath, saveOptions); 43 44 var blobName = $"{fileNameWithoutExtension.Replace(" ", "_")}_{ DateTime.Now.ToString("yyyyMMddHHmmss") }.pdf"; 45 46 // intialize BobClient 47 var blobClient = new BlobClient( 48 connectionString: connectionString, 49 blobContainerName: containerName, 50 blobName: blobName); 51 52 // upload the file 53 blobClient.Upload(filePath); 54 55 var storageSharedKeyCredential = new StorageSharedKeyCredential(accountName, accountKey); 56 var sasBuilder = new AccountSasBuilder() 57 { 58 Services = AccountSasServices.Blobs, 59 ResourceTypes = AccountSasResourceTypes.Object, 60 ExpiresOn = DateTimeOffset.UtcNow.AddHours(1), 61 Protocol = SasProtocol.Https 62 }; 63 64 sasBuilder.SetPermissions(AccountSasPermissions.Read | AccountSasPermissions.List); 65 66 // Use the key to get the SAS token. 67 var sasToken = sasBuilder.ToSasQueryParameters(storageSharedKeyCredential).ToString(); 68 var downloadUrl = $"https://{accountName}.blob.core.windows.net/{containerName}/{blobName}?{sasToken}"; 69 return Json(new { status = 0, result = downloadUrl }); 70 } 71 } 72 else 73 { 74 return Json(new { message = "Choose to upload a file.", returnValue = 0 }); 75 } 76 77 } 78 catch (Exception ex) 79 { 80 LogManager.Logger.Error(ex.ToString()); 81 return Json(new { status = -1, result = ex.Message }); 82 } 83 return Json(new { status = -1, result = "You don't have permission to upload this file!" }); 84 }
