将文件从 Asp.Net 写入 Azure 文件存储失败

Writing files from Asp.Net to Azure File Storage fails

我有一个带有 IIS 设置的 Azure VM,它托管我的 ASP.Net 网站。

我希望能够使用普通的 windows class 库 (System.IO) 从网络共享(Azure 文件存储)读取和写入 documents/files .我不想使用 Azure 存储客户端库和 Azure 存储 Rest API。

我已装载共享并保存我的凭据,如 this article 中所述。

安装驱动器并保留我的凭据后,我指向我的网站以使用我的共享驱动器来实现所有与文档管理相关的功能。下载文件完美无缺。但是,当我尝试创建文件夹或将文档写入网络共享时,我收到错误消息。

我收到的错误是:

Could not find a part of the path 'F:[RestOfThePathHere]'. Stack Trace:

[DirectoryNotFoundException: Could not find a part of the path 'F:\Test\MyThing\Clients\TheirStuff'.]
System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath) +338 System.IO.Directory.InternalCreateDirectory(String fullPath, String path, Object dirSecurityObj, Boolean checkHost) +1578
System.IO.Directory.InternalCreateDirectoryHelper(String path, Boolean checkHost) +213
MyStuff.FileHandling.FileExtenders.SaveToFile(Byte[] ByteArray, String Directory, String FileName) +116
MyStuff.TheirStuff.BLL.TheirStuffTestClient.RunEnquiry(ClientBase client, String resultType) +3776
MyStuff.MyThing.UI.Views.ClientController.CreditCheck(Int64 id) +42
lambda_method(Closure , ControllerBase , Object[] ) +114
System.Web.Mvc.ReflectedActionDescriptor.Execute(ControllerContext controllerContext, IDictionary2 parameters) +242<br> System.Web.Mvc.ControllerActionInvoker.InvokeActionMethod(ControllerContext controllerContext, ActionDescriptor actionDescriptor, IDictionary2 parameters) +39
System.Web.Mvc.Async.AsyncControllerActionInvoker.b__39(IAsyncResult asyncResult, ActionInvocation innerInvokeState) +12
System.Web.Mvc.Async.WrappedAsyncResult2.CallEndDelegate(IAsyncResult asyncResult) +139<br> System.Web.Mvc.Async.AsyncInvocationWithFilters.<InvokeActionMethodFilterAsynchronouslyRecursive>b__3d() +112 System.Web.Mvc.Async.<>c__DisplayClass46.<InvokeActionMethodFilterAsynchronouslyRecursive>b__3f() +452 System.Web.Mvc.Async.<>c__DisplayClass33.<BeginInvokeActionMethodWithFilters>b__32(IAsyncResult asyncResult) +15<br> System.Web.Mvc.Async.<>c__DisplayClass2b.<BeginInvokeAction>b__1c() +37 System.Web.Mvc.Async.<>c__DisplayClass21.<BeginInvokeAction>b__1e(IAsyncResult asyncResult) +241<br> System.Web.Mvc.Controller.<BeginExecuteCore>b__1d(IAsyncResult asyncResult, ExecuteCoreState innerState) +29<br> System.Web.Mvc.Async.WrappedAsyncVoid1.CallEndDelegate(IAsyncResult asyncResult) +111
System.Web.Mvc.Controller.EndExecuteCore(IAsyncResult asyncResult) +53 System.Web.Mvc.Async.WrappedAsyncVoid1.CallEndDelegate(IAsyncResult asyncResult) +19<br> System.Web.Mvc.MvcHandler.<BeginProcessRequest>b__5(IAsyncResult asyncResult, ProcessRequestState innerState) +51<br> System.Web.Mvc.Async.WrappedAsyncVoid1.CallEndDelegate(IAsyncResult asyncResult) +111
System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +606 System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +288

或者,当我使用 UNC 寻址时

The network path was not found. StackTrace: [IOException: The network path was not found. ]
System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath) +14382132 System.IO.Directory.InternalCreateDirectory(String fullPath, String path, Object dirSecurityObj, Boolean checkHost) +1578 System.IO.Directory.InternalCreateDirectoryHelper(String path, Boolean checkHost) +213
MyStuff.FileHandling.FileExtenders.SaveToFile(Byte[] ByteArray, String Directory, String FileName) +116
MyStuff.TheirStuff.BLL.TheirStuffTestClient.RunEnquiry(ClientBase client, String resultType) +3776
MyStuff.MyThing.UI.Views.ClientController.CreditCheck(Int64 id) +42
lambda_method(Closure , ControllerBase , Object[] ) +114
System.Web.Mvc.ReflectedActionDescriptor.Execute(ControllerContext controllerContext, IDictionary2 parameters) +242<br> System.Web.Mvc.ControllerActionInvoker.InvokeActionMethod(ControllerContext controllerContext, ActionDescriptor actionDescriptor, IDictionary2 parameters) +39
System.Web.Mvc.Async.AsyncControllerActionInvoker.b__39(IAsyncResult asyncResult, ActionInvocation innerInvokeState) +12
System.Web.Mvc.Async.WrappedAsyncResult2.CallEndDelegate(IAsyncResult asyncResult) +139<br> System.Web.Mvc.Async.AsyncInvocationWithFilters.<InvokeActionMethodFilterAsynchronouslyRecursive>b__3d() +112 System.Web.Mvc.Async.<>c__DisplayClass46.<InvokeActionMethodFilterAsynchronouslyRecursive>b__3f() +452 System.Web.Mvc.Async.<>c__DisplayClass33.<BeginInvokeActionMethodWithFilters>b__32(IAsyncResult asyncResult) +15<br> System.Web.Mvc.Async.<>c__DisplayClass2b.<BeginInvokeAction>b__1c() +37 System.Web.Mvc.Async.<>c__DisplayClass21.<BeginInvokeAction>b__1e(IAsyncResult asyncResult) +241<br> System.Web.Mvc.Controller.<BeginExecuteCore>b__1d(IAsyncResult asyncResult, ExecuteCoreState innerState) +29<br> System.Web.Mvc.Async.WrappedAsyncVoid1.CallEndDelegate(IAsyncResult asyncResult) +111
System.Web.Mvc.Controller.EndExecuteCore(IAsyncResult asyncResult) +53 System.Web.Mvc.Async.WrappedAsyncVoid1.CallEndDelegate(IAsyncResult asyncResult) +19<br> System.Web.Mvc.MvcHandler.<BeginProcessRequest>b__5(IAsyncResult asyncResult, ProcessRequestState innerState) +51<br> System.Web.Mvc.Async.WrappedAsyncVoid1.CallEndDelegate(IAsyncResult asyncResult) +111
System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +606 System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +288

更新 - 我当前的代码

MVC 控制器方法

public ActionResult Upload(DocumentUploadVM VM, long ClientId, long ContextInstanceId, long DocumentClassId, long TaskId)
    {
            var documentClass = docMan.Get_DocumentClass(DocumentClassId);

            var errors = new List<string>();

            if (VM.File == null || VM.File.ContentLength == 0)
                errors.Add("You haven't selected a file to upload");
            else if (!documentClass.MimeTypeAllowed(VM.File.ContentType, docMan))
                errors.Add("The file type is forbidden");

            if (errors.Count == 0 && ModelState.IsValid)
            {
                var path = settings.GetSettingValueAsString("Document Management: Client Documents Root Path").TrimEnd('\') + "\Uploads\";
                var pvtFileName = new Random().Next().ToString() + "." + VM.File.FileName.Split('.').Last();
                var targetURI = Path.Combine(path, pvtFileName);

                MemoryStream ms = new MemoryStream();
                VM.File.InputStream.CopyTo(ms);

                IFileHandler fh = FileHandlingFactory.Create();
                fh.SaveFile(ms, targetURI);

                docMan.Add_Document(
                    new FileItem
                    {
                        FilePathOnServer = path,
                        PublicFileName = VM.File.FileName,
                        PrivateFileName = pvtFileName,
                        MimeType = VM.File.ContentType
                    },
                    docMan.Get_ContextInstance(ContextInstanceId),
                    new List<DocumentClass> { documentClass });
            }
            else
            {
                TempData["errors"] = errors;
            }

            //TODO: In case of model errors, this call will suppress the errors.  Look to TempData / PRG pattern to maintain model state over redirect.
            return
              RedirectToAction("ListClientDocuments", new { ClientId = ClientId, TaskId = TaskId });
        }

IFileHandler.SaveFile实施

public override void SaveFile(MemoryStream MemoryStream, string Fullpath)
    {
        var directory = Fullpath.Substring(0, Fullpath.LastIndexOf('\')).TrimEnd('\');
        var fileName = Fullpath.Replace(directory, "").Trim('\');
        MemoryStream.ToArray()
        .SaveToFile(directory, fileName);
    }

PS - 请原谅糟糕的代码和公然无视 C# 编码标准。当我写这篇文章时,我是一个菜鸟。但是,这段代码在用于解决本地文件存储时还没有给我带来任何问题。

我想您可能想尝试创建一个映射到存储帐户用户的本地用户,然后将此用户添加到 IIS_IUSRS 组。

详情请参考此博客 http://blogs.iis.net/davidso/azurefile

-贾森