当我尝试上传多个文件时,我只能上传单个文本文件文件可以帮助我如何上传多个文本文件:
public DemoController(IConfiguration configuration)
{
_configuration = configuration;
}
我的创建方法:
public async Task<IActionResult> Create(IFormFile files)
{
string blobstorageconnection = _configuration.GetValue<string>("blobstorage");
byte[] dataFiles;
CloudStorageAccount cloudStorageAccount = CloudStorageAccount.Parse(blobstorageconnection);
CloudBlobClient cloudBlobClient = cloudStorageAccount.CreateCloudBlobClient();
CloudBlobContainer cloudBlobContainer = cloudBlobClient.GetContainerReference("demodata");
BlobContainerPermissions permissions = new BlobContainerPermissions
{
PublicAccess = BlobContainerPublicAccessType.Blob
};
string systemFileName = files.FileName;
await cloudBlobContainer.SetPermissionsAsync(permissions);
await using (var target = new MemoryStream())
{
files.CopyTo(target);
dataFiles = target.ToArray();
Console.WriteLine("upload files Successfully");
}
CloudBlockBlob cloudBlockBlob = cloudBlobContainer.GetBlockBlobReference(systemFileName);
await cloudBlockBlob.UploadFromByteArrayAsync(dataFiles, 0, dataFiles.Length);
return View();
}
我的视图:(Create.cs html)
@{
ViewData["Title"] = "Create";
}
<div class="row">
<div class="col-md-6">
<form method="post" enctype="multipart/form-data" asp-controller="Demo" asp-action="Create">
<div class="form-group">
<label> Select File </label>
<input class="form-control" name="files" multiple="multiple" type="file" />
</div>
<div class="form-group">
<input class="btn btn-success" type="submit" value="Submit" id="demo" text="Succcessfully Uploaded" />
</div>
</form>
</div>
请尝试类似以下内容(未经测试的代码):
public async Task<IActionResult> Create(List<IFormFile> files)
{
string blobstorageconnection = _configuration.GetValue<string>("blobstorage");
CloudStorageAccount cloudStorageAccount = CloudStorageAccount.Parse(blobstorageconnection);
CloudBlobClient cloudBlobClient = cloudStorageAccount.CreateCloudBlobClient();
CloudBlobContainer cloudBlobContainer = cloudBlobClient.GetContainerReference("demodata");
BlobContainerPermissions permissions = new BlobContainerPermissions
{
PublicAccess = BlobContainerPublicAccessType.Blob
};
await cloudBlobContainer.SetPermissionsAsync(permissions);
foreach (var formFile in files)
{
byte[] data;
string systemFileName = formFile.FileName;
await using (var target = new MemoryStream())
{
formFile.CopyTo(target);
data = target.ToArray();
CloudBlockBlob cloudBlockBlob = cloudBlobContainer.GetBlockBlobReference(systemFileName);
await cloudBlockBlob.UploadFromByteArrayAsync(data, 0, data.Length);
}
}
return View();
}
本质上,这个想法是传递文件的集合,然后在您的控制器操作中遍历此集合,并分别上传每个项目。