我正在尝试使用Django上传图像文件。我可以获取其他表单数据,但不能获取图像文件。 request.FILES为空白。下面是我的代码。
models.py
class Module(models.Model):
title = models.CharField(max_length = 50)
slug = models.CharField(max_length = 50)
description = models.TextField(max_length = 500)
Forms.py
class ModuleAddForm(forms.ModelForm):
title = forms.CharField(max_length = 50, widget = forms.TextInput(attrs = {'class': 'form-control', 'placeholder': 'Title'} ))
description = forms.CharField(max_length = 50, widget = forms.Textarea(attrs = {'class': 'form-control', 'placeholder': 'Description'} ))
image = forms.FileField(widget=forms.ClearableFileInput(attrs={'multiple': True}), required=False)
class Meta:
model = Module
fields = ['title', 'description', 'image']
Views.py
form = ModuleAddForm(request.POST, request.FILES or None)
if form.is_valid():
title = form.cleaned_data['title']
description = form.cleaned_data['description']
image = request.FILES['image]
HTML
<form class="kt-form" method = "POST" id="kt_form userform" enctype=”multipart/form-data” >{% csrf_token %}
<div class="form-group row">
<label class="col-3 col-form-label">Title</label>
<div class="col-9">
{{ form.title }}
</div>
</div>
<div class="form-group row">
<label class="col-3 col-form-label">Description</label>
<div class="col-9">
{{ form.description }}
</div>
</div>
<div class="form-group row">
<label class="col-3 col-form-label">Image</label>
<div class="col-9">
{{ form.image }}
</div>
</div>
<button type="submit" class="btn btn-brand">Save</button>
</form>
当我打印request.FILES时,它返回空白,当我尝试使用Key来获取它时,它也返回MultiValueDict错误。但是当我打印request.POST时,图像在那里。但这没有用,因为没有上传图像。
我正在使用另一个模型来存储此模型(模块)的图像文件,因为它可以包含多个图像。我在其他模型和功能中实现了相同的逻辑。它在这里正常工作,但在这里不工作。
我正在使用Django 2.2。
答案 0 :(得分:0)
就像Arjun所说,您的模型中没有图像场。您可以使用图像为模型创建另一个ModelForm,并在您的网页上显示其他表单。
以这个为例。用户表单和个人资料表单,其中个人资料包含图片。
Forms.py
class UserUpdateForm(forms.ModelForm):
email = forms.EmailField()
class Meta:
model = get_user_model()
fields = ['email']
class ProfileUpdateForm(forms.ModelForm):
class Meta:
model = get_user_model()
fields = ['image']
views.py
if request.method == 'POST':
user_form = UserUpdateForm(request.POST, instance=request.user)
profile_form = ProfileUpdateForm(request.POST, request.FILES, instance=request.user)
if user_form.is_valid() and profile_form.is_valid():
user_form.save()
profile_form.save()
messages.success(request, f"Your account has been updated")
return redirect('profile')
神社
<form method="POST" enctype="multipart/form-data">
{% csrf_token %}
<fieldset class="form-group">
<legend class="border-bottom mb-4">Profile Info</legend>
{{ user_form | crispy }}
{{ profile_form | crispy }}
</fieldset>
<div class="form-group">
<button class="btn btn-outline-info" type="submit">Update</button>
</div>
</form>