有人可以帮我上传大文件(多个),将它们转换为字节数组吗?
我的代码当前没有字节数组,但如果文档很大,它当然会失败。
控制器:
[HttpPost] [ValidateAntiForgeryToken] 公共ActionResult创建(发票发票) { if(ModelState.IsValid) { 列表fileDetails = new List(); for(int i = 0; i< Request.Files.Count; i ++) { var file = Request.Files [i];
if (file != null && file.ContentLength > 0)
{
var fileName = Path.GetFileName(file.FileName);
FileDetail fileDetail = new FileDetail()
{
FileName = fileName,
Extension = Path.GetExtension(fileName),
Id = Guid.NewGuid()
};
fileDetails.Add(fileDetail);
var path = Path.Combine(Server.MapPath("~/App_Data/Upload/"),
fileDetail.Id + fileDetail.Extension);
file.SaveAs(path);
}
}
invoice.FileDetails = fileDetails;
db.Invoices.Add(invoice);
db.SaveChanges();
return RedirectToAction("Index");
}
return View(invoice);
}
和表单元素:
非常感谢任何帮助。
答案 0 :(得分:0)
排序!
[HttpPost] [ValidateAntiForgeryToken] 公共ActionResult创建(发票发票) { if(ModelState.IsValid) { 列表fileDetails = new List();
for (int i = 0; i < Request.Files.Count; i++)
{
HttpPostedFileBase httpPostedFileBase = Request.Files[i];
if (httpPostedFileBase != null)
{
Stream stream = httpPostedFileBase.InputStream;
BinaryReader bReader = new BinaryReader(stream);
byte[] bytes = bReader.ReadBytes((Int32)stream.Length);
}
HttpPostedFileBase postedFileBase = Request.Files[i];
if (postedFileBase != null)
{
var fileName = Path.GetFileName(postedFileBase.FileName);
FileDetail fileDetail = new FileDetail()
{
FileName = fileName,
Extension = Path.GetExtension(fileName),
Id = Guid.NewGuid()
};
fileDetails.Add(fileDetail);
//Save the Byte Array as File.
var path = Path.Combine(Server.MapPath("~/App_Data/Upload/"),
fileDetail.Id + fileDetail.Extension);
postedFileBase.SaveAs(path);
postedFileBase.InputStream.Flush();
}
}
invoice.FileDetails = fileDetails;
db.Invoices.Add(invoice);
db.SaveChanges();
return RedirectToAction("Index");
}
return View(invoice);
}