用户窗体未显示基于 django 类的视图

Question

我正在研究医院管理系统，有 5-6 种不同类型的用户，如患者、医生、护士、会计师、接待员等。我使用AbstractUser扩展了用户模型，该模型具有所有用户的通用字段，如 DoB、地址等。models.py

class User(AbstractUser):
# user_type       = models.CharField(choices=USER_TYPES, default='patient', max_length=20)
date_of_birth   = models.DateField(blank=True, null=True, validators=[validate_future_date])
phone_regex     = RegexValidator(regex=r'^+?1?d{9,15}$', message="Phone number must be entered in the format: '[phone]'. Up to 15 digits allowed.")
mobile_num      = models.CharField(max_length=15, validators=[phone_regex])
created         = models.DateTimeField(auto_now_add=True)
updated         = models.DateTimeField(auto_now=True)
date_joining    = models.DateTimeField(auto_now_add=True)
photo           = models.ImageField(default="default.png", upload_to="patients/%Y/%m/%d", blank=True)
# other fields
def __str__(self):
return f"{self.first_name} {self.last_name}({self.username})"

class Staff(models.Model):
aadhar_number   = models.BigIntegerField(verbose_name='Aadhar Number')
empCategory     = models.CharField(max_length=20, blank=True, verbose_name='Employee Category')
class Meta:
abstract = True
class Patient(models.Model):
user                = models.OneToOneField(settings.AUTH_USER_MODEL, on_delete=models.CASCADE)
date_of_discharge   = models.DateTimeField(auto_now=True)
allergies           = models.TextField(blank=True, null=True)
def __str__(self):
return f"{self.user.first_name} {self.user.last_name}({self.user.username})"
class Doctor(models.Model):
DEPARTMENTS = [('Cardiologist', 'Cardiologist'),
('Dermatologists', 'Dermatologists'),
('Emergency Medicine Specialists', 'Emergency Medicine Specialists'),
('Allergists/Immunologists', 'Allergists/Immunologists'),
('Anesthesiologists', 'Anesthesiologists'),
('Colon and Rectal Surgeons', 'Colon and Rectal Surgeons')
]
user        = models.OneToOneField(settings.AUTH_USER_MODEL, on_delete=models.CASCADE)    
languages   = models.CharField(max_length=20)
speciality  = models.CharField(max_length=20)
department  = models.CharField(max_length=50, choices=DEPARTMENTS)    
# patients    = models.ManyToManyField(Patient, related_name='doctors')
def __str__(self):
return f"{self.user.first_name} {self.user.last_name}({self.user.username})"

class Receptionist(Staff):
user    = models.OneToOneField(settings.AUTH_USER_MODEL, on_delete=models.CASCADE)
# patient = models.ManyToManyField(Patient, related_name='receptionists', blank=True)

def __str__(self):
return f"{self.user.first_name}"
class Nurse(Staff):
user  = models.OneToOneField(settings.AUTH_USER_MODEL, on_delete=models.CASCADE)

class Meta:
verbose_name_plural = 'Nurses'
class Accountant(Staff):
user  = models.OneToOneField(settings.AUTH_USER_MODEL, on_delete=models.CASCADE)

forms.py

class UserRegistrationForm(forms.ModelForm):
password = forms.CharField(label='Password', widget=forms.PasswordInput)
password2 = forms.CharField(label='Repeat Password', widget=forms.PasswordInput)
email = forms.EmailField(label='Email')
date_of_birth = forms.DateField(widget=forms.widgets.DateInput(attrs={'type': 'date'}))
class Meta:
# gives current active model either Custom User or default User model
model = get_user_model()
fields = ['username', 'first_name', 'last_name', 'email',
'date_of_birth', 'photo', 'mobile_num', 'gender',
'father_name', 'mother_name', 'blood_group', 'marital_status',
'address1', 'address2', 'city', 'zipcode', 'state'
]
exclude = ['groups', 'superuser_status',
'is_staff', 'is_superuser', ]
def clean_password2(self):
cd = self.cleaned_data
if cd['password'] != cd['password2']:
raise forms.ValidationError("Passwords don't match")
return cd['password2']

class PatientRegistrationForm(forms.ModelForm):
class Meta:
model = Patient
fields = ['allergies']
exclude = ['user', ]

views.py

class UserRegistrationMixin(TemplateResponseMixin, View):
form_class = UserRegistrationForm
template_name = 'accounts/register.html'
def get_context_data(self, **kwargs):
context = super().get_context_data(**kwargs)
context['user_form'] = self.form_class
return context
def get(self, request):
user_form = self.form_class
return self.render_to_response({'user_form':user_form})

def post(self, request):
user_form = self.form_class(data=request.POST, files=request.FILES)
if user_form.is_valid():
new_user = user_form.save(commit=False)
password = user_form.cleaned_data['password']
new_user.set_password(password)
new_user.save()
messages.success(request, f'New user "{new_user}" created!')
return self.render_to_response({'user_form':user_form})
class PatientRegistrationView(UserRegistrationMixin, CreateView):
profile_form_class = PatientRegistrationForm
def get_context_data(self, **kwargs):
context = super().get_context_data(**kwargs)
context['profile_form'] = self.profile_form_class
return context

def get(self, request):
profile_form = self.profile_form_class
return self.render_to_response({'profile_form':profile_form})

def post(self, request):
profile_form = self.profile_form_class(data=request.POST, files=request.FILES)
if profile_form.is_valid():
# Patient.objects.create()
profile = profile_form.save(commit=False)
profile.user = new_user
profile.save()
messages.success(request, f'Profile for user "{new_user}" created!')
return self.render_to_response({'profile_form':profile_form})

我正在尝试分离用于注册用户和为每个用户创建配置文件的通用逻辑，即UserRegistrationMixin具有创建用户的逻辑，PatientRegistrationView将创建患者的个人资料及其权限。但是当我从UserRegistrationMixin继承时，user_form没有显示。我对Django的GCBV没有太多经验。提前谢谢。

Answer 1

问题是你的get方法。get_context_data没有打电话。您可以检查View类的get方法：

def get(self, request, *args, **kwargs):
"""Handle GET requests: instantiate a blank version of the form."""
return self.render_to_response(self.get_context_data())

您可以拨打context = self.get_context_data()并将context传递给render_to_response。