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好吧,看來我在這個小任務上超出了我的頭。我想問一個人如何提交表單,而不依賴URL值?提交表單不依賴於URL
在我的示例中,用戶必須先登錄才能看到他們的圖片庫圖片。確定這是通過「上下文」,它具有分配給它的活動用戶(登錄)。道具到@ chem1st & @丹尼爾羅斯曼在早些時候幫助我解釋昨天的幫助。現在它可以在登錄後在主頁中顯示自己的用戶圖庫。
我不喜歡用「blahblah.com/bobby/upload」上傳,因爲它看起來不太安全。我想讓登錄用戶通過「blahblah.com/upload/」上傳。這意味着view.py中的表單必須獲取以某種方式登錄的用戶的上下文,並將數據保存到該帳戶下的數據庫中。
我一直在四處尋找答案,但找不到任何東西。有人能幫助我指出正確的方向嗎?
這裏是我的models.py
class UserProfile(models.Model):
user = models.OneToOneField(User)
activation_key = models.CharField(max_length=40, blank=True)
key_expires = models.DateTimeField(default=datetime.date.today())
def __str__(self):
return self.user.username
class Meta:
verbose_name_plural='User profiles'
class ImageDoc(models.Model):
user = models.ForeignKey(UserProfile)
imgfile = models.ImageField(upload_to='images/')
forms.py:
class RegistrationForm(UserCreationForm):
email = forms.EmailField(required=True, widget=forms.TextInput(attrs={'placeholder': 'E-mail address'}))
first_name = forms.CharField(required=True)
last_name = forms.CharField(required=True)
class Meta:
model = User
fields = ('first_name', 'last_name', 'email', 'username', 'password1', 'password2')
class ImgDocForm(forms.Form):
user_file = forms.ImageField()
def clean_user_file(self, *args, **kwargs):
cleaned_data = super(ImgDocForm,self).clean()
user_file = cleaned_data.get("user_file")
if user_file:
if user_file.size > 5 * 1024 * 1024:
raise forms.ValidationError("Filesize is too big.")
if not os.path.splitext(user_file.name)[1].strip().lower() in ['.jpg','.png','.gif','.jpeg']:
raise forms.ValidationError("File does not look like as picture.")
return user_file
class UserForm(forms.Form):
class Meta:
model = User
fields = ['first_name', 'last_name', 'password', 'email', 'username']
我views.py文件(編輯:更改索引來顯示用戶的詳細信息,畫廊,和快速上傳功能):
def sign_in(request):
context = RequestContext(request)
if request.method == 'POST':
username = request.POST['username']
password = request.POST['password']
user = authenticate(username=username, password=password)
if user:
if user.is_active:
login(request, user)
return HttpResponseRedirect('/', context)
else:
return HttpResponse("Verify your account!")
else:
return HttpResponse("Invalid login details supplied.")
def populateContext(request, context):
context['authenticated'] = request.user.is_authenticated()
if context['authenticated'] == True:
context['username'] = request.user.username
def index(request):
user_details = UserProfile.objects.get(user=request.user)
gallery = ImageDoc.objects.filter(user_id=request.user.id)
if request.method == 'POST':
form = ImgDocForm(request.POST, request.FILES)
if form.is_valid():
origin_form = form.cleaned_data["user_file"]
origin_name = origin_form.name
original_name = ImageDoc(user_id=request.user.id, imgfile=origin_name)
original_name.save()
return HttpResponse('Saved!')
else:
form = ImgDocForm()
documents = ImageDoc.objects.all()
return render(request, 'test.html', {'documents': documents, 'form': form, 'user_details': user_details, 'gallery': gallery})
def upload(request):
data = {}
thumb_size = (100,100)
micro_thumb_size = (50,50)
if request.method == 'POST':
userform = ImgDocForm(request.POST, request.FILES)
if userform.is_valid():
origin_form = userform.cleaned_data["user_file"]
origin_name = origin_form.name
original_file = os.path.join(settings.MEDIA_ROOT, origin_name)
.
.
.
original_name = ImageDoc(imgfile=origin_name)
original_name.save()
.
.
.
userform = ImgDocForm()
else:
return HttpResponse('Nooo!')
else:
userform = ImgDocForm()
data.update(image_gallery = ImageDoc.objects.only('imgfile'))
data.update(userform=userform)
data.update(csrf(request))
return render(request, 'upload.html', data)
編輯:我敢肯定,人們可以清理索引文件顯着。另外,底部不是很優雅,但它的工作原理。
而且upload.html文件:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
</head>
<body>
<div>
<form method="post" action="" enctype="multipart/form-data">
{% csrf_token %}
{{ userform.as_p }}
<input type="submit">
</form>
<br><br>
<h2>{{ origin_name }} (original)</h2>
{% if origin_name %}
<img src="{{ MEDIA_URL }}{{ origin_name }}">
{% endif %}
<br><br>
{% if image_gallery %}
{% for image in image_gallery %}
<img src="/{{ image.thumbfile }}">
{% endfor %}
{% endif %}
</div>
</body>
</html>
謝謝!
感謝您的回覆! 所以我應該獲得使用該ID,並使用它作爲PK,對嗎?像這樣? userform = ImgDocForm(request.POST,request.FILES,pk = request.user.id) – Bob
@Bob你是否試圖從上傳的文件中創建ImgDoc?你可以將它分配給你的'ImgDoc.user'字段。如果你想將它分配給表單,請參閱http://stackoverflow.com/questions/18246326/in-django-how-do-i-set-user-field-in-form-to-the-currently-logged-在用戶 – serg
感謝您回覆@serg!是的,我試圖將文件存儲到ImgDoc中。你鏈接的例子似乎並不幸運,但也許我錯誤地實現了它?目前我正在嘗試使用formset來完成這項工作,這是推薦的嗎?或者那是錯誤的方式呢?我之所以用這個原因是因爲我之前有一個類似的項目,兩個相關的模型,我無法保存到子模型中。使用formsets允許我這樣做。 。 但是,在這種情況下,我沒有使用從URL中捕獲的ID。稍後,我會粘貼下面的當前代碼供您檢查。 – Bob