2
所以要麼沒有人試圖做到這一點,或者我只是沒有找到任何東西。你會上傳文件的舊的方式是這樣的:如何將IFormFile保存到SQLServer FileStream表
public class FileStorage
{
public string FileName { get; set; }
public byte[] FileStore { get; set; }
}
[HttpPost]
[ValidateAntiForgeryToken]
public async Task<ActionResult> Create(HttpPostedFileBase file)
{
FileStorage fileAttachment = new FileStorage();
using (Stream inputStream = file.InputStream)
{
MemoryStream memoryStream = inputStream as MemoryStream;
//Check to see if stream returned is already a MemoryStream
if(memoryStream == null)
{
memoryStream = new MemoryStream();
inputStream.CopyTo(memoryStream);
}
fileAttachment.FileStore = memoryStream.ToArray();
fileAttachment.FileName = file.FileName;
}
if (ModelState.IsValid)
{
db.FileAttachment.Add(fileAttachment);
await db.SaveChangesAsync();
return RedirectToAction("Index");
}
return RedirectToAction("Index");
}
我知道,對.NET核心採用IFormFile但所有的資源,我已經找到了保存它談論它保存到wwwroot文件夾在Web服務器上。我成功地將文件傳遞給我的控制器,但一直未能弄清楚如何將其轉換爲byte []以保存到DB FileStream表。
這裏是我當前的代碼:
[HttpPost]
public async Task<IActionResult> Upload(IFormFile uploadFile)
{
if (ModelState.IsValid)
{
var parsedContent = ContentDispositionHeaderValue.Parse(uploadFile.ContentDisposition);
var fileName = Path.Combine(_hostingEnvironment.WebRootPath, "Uploads", parsedContent.FileName.Trim('"'));
await uploadFile.SaveAsAsync(fileName);
}
return View("Index");
}
如何轉換它與DB的FileStream