Question

我一直只是尝试上传个人资料图片，这是我之前所做的。但是这次，即使代码相同，文件也没有上传。可以从request.data('image')访问图像名称，但是不能从request.FILES['image']

访问图像本身。

我也尝试了序列化程序，表格和直接方式，但仍然没有进展。

这是代码

models.py

class Profile(models.Model):
     user = models.OneToOneField(UserProfile, on_delete=models.CASCADE)
     image = models.ImageField(upload_to='profile_images', null=True)

     def __str__(self):

        return self.user.name

HTML代码

<form method="post" enctype="multipart/form-data">
                                {% csrf_token %}
                                <input type="file" name="myfile">
                                <button type="submit" name="upload-profile-photo">Upload</button>
</form>

Views.py

if 'upload-profile-photo' in request.POST:
    profile_instance = Profile.objects.get(user=token.user.id)
    profile_instance.image = request.FILES["myfile"]
    profile_instance.save()
    return HttpResponse("Success")

请求信息

GET: No Get Data
POST: csrfmiddlewaretoken: .....
      myfile: 'maxresdefault.jpg'
      upload-profile-photo: ''
FILES: No FILES data

追踪

    Traceback (most recent call last):
  File "/home/piyush/PycharmProjects/doel/doel/venv_doel/lib/python3.6/site-packages/django/core/handlers/exception.py", line 35, in inner
    response = get_response(request)
  File "/home/piyush/PycharmProjects/doel/doel/venv_doel/lib/python3.6/site-packages/django/core/handlers/base.py", line 128, in _get_response
    response = self.process_exception_by_middleware(e, request)
  File "/home/piyush/PycharmProjects/doel/doel/venv_doel/lib/python3.6/site-packages/django/core/handlers/base.py", line 126, in _get_response
    response = wrapped_callback(request, *callback_args, **callback_kwargs)
  File "/home/piyush/PycharmProjects/doel/doel/venv_doel/lib/python3.6/site-packages/django/views/decorators/csrf.py", line 54, in wrapped_view
    return view_func(*args, **kwargs)
  File "/home/piyush/PycharmProjects/doel/doel/venv_doel/lib/python3.6/site-packages/django/views/generic/base.py", line 69, in view
    return self.dispatch(request, *args, **kwargs)
  File "/home/piyush/PycharmProjects/doel/doel/venv_doel/lib/python3.6/site-packages/rest_framework/views.py", line 483, in dispatch
    response = self.handle_exception(exc)
  File "/home/piyush/PycharmProjects/doel/doel/venv_doel/lib/python3.6/site-packages/rest_framework/views.py", line 443, in handle_exception
    self.raise_uncaught_exception(exc)
  File "/home/piyush/PycharmProjects/doel/doel/venv_doel/lib/python3.6/site-packages/rest_framework/views.py", line 480, in dispatch
    response = handler(request, *args, **kwargs)
  File "/home/piyush/PycharmProjects/doel/doel/doel_registration_api/views.py", line 933, in post
    profile_instance.image = request.FILES["myfile"]
  File "/home/piyush/PycharmProjects/doel/doel/venv_doel/lib/python3.6/site-packages/django/utils/datastructures.py", line 79, in __getitem__
    raise MultiValueDictKeyError(key)
django.utils.datastructures.MultiValueDictKeyError: 'myfile'

Answer 1

我有同样的错误。我发现问题出在我的 HTML代码上。这里有一些建议，看看是否可行-

检查您的<form>代码。尝试添加<input type="submit">而不是<button>

查看向表单标签添加action属性是否有帮助。

Answer 2

我也面临着同样的问题，然后我发现了错误。该错误不是在视图文件或模型文件中，而是在HTML代码中。

enctype="multipart/form-data"

在<form>标记内请确保将其添加。

Django图像上传，request.FILES [''中无数据

2 个答案: