本文介绍了在Django用户更改形式中更改图像的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
我正在制作一个django webapp，用户可以在其中上传个人资料图像。我还使用默认的 USERCHANGEFORM 创建了一个 EDIT PROFILE 页面。但是问题是，我无法从该表单更新个人资料图片。我可以删除它，但不能上传新的吗？需要帮助。
这是我的用户创建表格：
I am making a django webapp where users can upload profile image. I have also created an EDIT PROFILE page by using the default USERCHANGEFORM. But the problem is, that I cannot update the profile picture from that form. I can delete it but not upload new one? Help needed.This is my USER CREATION FORM:
class SignUpForm(UserCreationForm):
photo = forms.ImageField(required=False)
bio = forms.CharField(widget=forms.TextInput(attrs={'placeholder': 'Enter your bio'}))
designation = forms.CharField(widget=forms.TextInput(attrs={'placeholder': 'Enter your designation'}))
university = forms.CharField(widget=forms.TextInput(attrs={'placeholder': 'Enter your university'}))
company_name = forms.CharField(widget=forms.TextInput(attrs={'placeholder': "Enter your company's name"}))
grad_year = forms.IntegerField(widget=forms.TextInput(attrs={'placeholder': 'What year did you graduate in?'}))
phone = forms.CharField(widget=forms.TextInput(attrs={'placeholder': 'Enter your phone number'}))
address = forms.CharField(widget=forms.TextInput(attrs={'placeholder': 'Enter your present address'}))
city = forms.CharField(widget=forms.TextInput(attrs={'placeholder': 'Enter your city'}))
company_category = forms.CharField(widget=forms.TextInput(attrs={'placeholder': "Enter your company's category"}))
company_desc = forms.CharField(widget=forms.TextInput(attrs={'placeholder': "Enter your company's description"}))
company_site = forms.CharField()
no_employees = forms.IntegerField(widget=forms.TextInput(attrs={'placeholder': 'Enter no. of employees in your company'}))
technologies = forms.CharField(widget=forms.TextInput(attrs={'placeholder': 'What technologies are you interested in?'}))
markets = forms.CharField(widget=forms.TextInput(attrs={'placeholder': 'What markets are you interested in?'}))
linkedin = forms.CharField(widget=forms.TextInput(attrs={'placeholder': 'Enter your Linked In profile'}))
def __init__(self, *args, **kwargs):
super(UserCreationForm, self).__init__(*args, **kwargs)
del self.fields['password2']
for fieldname in ['password1']:
self.fields[fieldname].help_text = None
self.fields['password1'].widget.attrs.update({'placeholder': 'Enter your password'})
self.fields['first_name'].widget.attrs.update({'placeholder': 'Enter your first name'})
self.fields['last_name'].widget.attrs.update({'placeholder': 'Enter your last name'})
self.fields['company_site'].widget.attrs.update({'placeholder': "Enter company's website"})
for field in ['email',
'password1',
'first_name',
'last_name',
'bio',
'designation',
'university',
'company_name',
'grad_year',
'phone',
'photo',
'address',
'city',
'company_category',
'company_desc',
'company_site',
'no_employees',
'technologies',
'markets',
'linkedin']:
self.fields[field].widget.attrs['class'] = "col-lg-4 col-md-12 col-sm-12 col-xs-12 offset-lg-2 ml-6 form-control"
self.fields[field].widget.attrs['style'] = "padding:20px;"
self.fields['photo'].widget.attrs['class'] = "col-lg-8 col-md-12 col-sm-12 col-xs-12 offset-lg-1 "
class Meta:
model = User
widgets = {
"email": forms.fields.TextInput(attrs={'placeholder':'Enter your email'}),
}
fields = ('email',
'password1',
'first_name',
'last_name',
'photo',
'bio',
'designation',
'university',
'company_name',
'grad_year',
'phone',
'address',
'city',
'company_category',
'company_desc',
'company_site',
'no_employees',
'technologies',
'markets',
'linkedin')
这是我的用户更改表
class EditProfileForm(UserChangeForm):
def __init__(self, *args, **kwargs):
super(UserChangeForm, self).__init__(*args, **kwargs)
for field in [
'first_name',
'last_name',
'bio',
'designation',
'university',
'company_name',
'grad_year',
'phone',
'address',
'city',
'company_category',
'company_desc',
'company_site',
'no_employees',
'technologies',
'markets',
'linkedin']:
self.fields[field].widget.attrs['class'] = "col-lg-8 col-md-12 col-sm-12 col-xs-12 offset-lg-2 ml-6 form-control"
self.fields[field].widget.attrs['style'] = "padding:20px;"
self.fields['photo'].widget.attrs['class'] = "col-lg-8 col-md-12 col-sm-12 col-xs-12 offset-lg-2 ml-6"
self.fields['password'].widget.attrs['class'] = "hidden"
class Meta:
model = User
fields = ('first_name',
'last_name',
"photo",
"bio",
"designation",
"university",
"company_name",
"grad_year",
"phone",
"address",
"city",
"company_category",
"company_desc",
"company_site",
"no_employees",
"technologies",
"markets",
"linkedin"
)```
推荐答案
基本上，您是在获取实例，但不仅可以更新图片。
Basically you are getting the instance but you are not only able to update only the picture.
这篇关于在Django用户更改形式中更改图像的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持！