public async Task <IActionResult> UpdataFile([Bind("FormFile")] UpFileInput input)
{
if (!ModelState.IsValid)
{
return(Content("<script>alert('Please correct the form.')</script>", "text/html"));
}
var formFileContent =
await FilesOptionHelper.ProcessFormFile <UpFileInput>(
input.FormFile, ModelState, _permittedExtensions,
_fileSizeLimit);
if (!ModelState.IsValid)
{
return(Content("<script>alert('Please correct the form.')</script>"));
}
// For the file name of the uploaded file stored
// server-side, use Path.GetRandomFileName to generate a safe
// random file name.
var trustedFileNameForFileStorage = Path.GetRandomFileName();
var filePath = Path.Combine(
_targetFilePath, trustedFileNameForFileStorage);
// **WARNING!**
// In the following example, the file is saved without
// scanning the file's contents. In most production
// scenarios, an anti-virus/anti-malware scanner API
// is used on the file before making the file available
// for download or for use by other systems.
// For more information, see the topic that accompanies
// this sample.
using (var fileStream = System.IO.File.Create(filePath))
{
await fileStream.WriteAsync(formFileContent);
// To work directly with a FormFile, use the following
// instead:
//await FileUpload.FormFile.CopyToAsync(fileStream);
}
return(RedirectToAction(nameof(Index)));
}
