[HttpGet] //读取数据库数据 public IActionResult Edit(int id) //通过Edit操作方法找到Edit视图 { Student student = _studentRepository.GetStudent(id); //查询是否在数据库里 StudentEditVideModel studentEditVidew = new StudentEditVideModel { Id = student.Id, Name = student.Name, Email = student.Email, ClassName = student.ClassName, ExistingPhotoPath = student.PhotoPath }; return(View(studentEditVidew)); }
public IActionResult Edit(StudentEditVideModel model) //创建StudentEditVideModel用于接收post表单数据 { if (ModelState.IsValid) { Student student = _studentRepository.GetStudent(model.Id); student.Email = model.Email;//视图模型赋值给领域模型 student.Name = model.Name; student.ClassName = model.ClassName; if (model.Photos != null && model.Photos.Count > 0) //用户有无选择新头像 { if (model.ExistingPhotoPath != null) { string filePath = Path.Combine(hostingEnvironment.WebRootPath, "images", model.ExistingPhotoPath); System.IO.File.Delete(filePath);//删除数据库旧头像 //Delete没有继承所以不是这里的问题,问题在FileStream流处理 } student.PhotoPath = ProcessUploadedFile(model); } Student updataStudent = _studentRepository.Update(student); return(RedirectToAction("Index")); } return(View(model)); }