public IActionResult CreateFileUpload(int id)
{
var courseDes = new FileModelViewModel
{
CourseId = id
};
return(View(courseDes));
}
public async Task <ActionResult> MergeFile([FromForm] FileModelViewModel fileModelViewModel)
{
var lastModified = Path.Combine($"{Directory.GetCurrentDirectory()}/wwwroot/", "Chunk" + fileModelViewModel.FileName);
var finalPath = Path.Combine($"{Directory.GetCurrentDirectory()}/wwwroot/", fileModelViewModel.FileName);//最终的文件名（demo中保存的是它上传时候的文件名，实际操作肯定不能这样）
var mergeOk = await FileHelper.MergeFileAsync(lastModified, finalPath);
if (mergeOk)
{
var newFile = _mapper.Map <FileModel>(fileModelViewModel);
newFile.FilePath = finalPath;
await _fileRepository.AddAsync(newFile);
}
return(Ok());
}
private string ProcessUploadedFile(FileModelViewModel model)
{
string uniqueFileName = null;
if (model.FileName != null)
{
string uploadsFolder = Path.Combine(_env.WebRootPath, "images");
uniqueFileName = Guid.NewGuid().ToString() + "_" + model.FileName.FileName;
string filePath = Path.Combine(uploadsFolder, uniqueFileName);
using (var fileStream = new FileStream(filePath, FileMode.Create))
{
model.FileName.CopyTo(fileStream);
}
}
return(uniqueFileName);
}
public async Task <IActionResult> CreateFileUpload(FileModelViewModel model, int id)
{
if (ModelState.IsValid)
{
string uniqueFileName = ProcessUploadedFile(model);
var course = _context.Courses.FirstOrDefault(x => x.Id == id);
var cd = new FileModel
{
Title = model.Title,
dateTime = model.dateTime,
FileName = uniqueFileName,
Course = course
};
_context.Add(cd);
await _context.SaveChangesAsync();
return(RedirectToAction(nameof(FileIndex)));
}
return(View(model));
}
