public async Task <IActionResult> UploadFile(List <IFormFile> files) { string virtualPath = ""; foreach (var formFile in files) { if (formFile.Length > 0) { string guid = Guid.NewGuid().ToString("n"); string exten = Path.GetExtension(formFile.FileName); virtualPath = string.Format("/fileupload/{0}/", guid); string mapPth = _host.WebRootPath + virtualPath; string filePth = _host.WebRootPath + virtualPath + formFile.FileName; Directory.CreateDirectory(Path.GetDirectoryName(mapPth)); using (var stream = new FileStream(filePth, FileMode.Create)) { await formFile.CopyToAsync(stream); } //添加数据 FileMgmt entity = new FileMgmt(); entity.Name = formFile.Name; entity.Length = (int)formFile.Length; entity.Url = virtualPath; entity.Guid = guid; entity.CreateTime = DateTime.Now; try { _context.FileMgmt.Add(entity); await _context.SaveChangesAsync(); } catch (Exception ex) { throw ex; } } } return(Json(new { path = virtualPath })); }
public async Task <int> SaveChangesAsync() => await _context.SaveChangesAsync();