Django 表单:我无法从主页访问表单

Question

当我单击主页上的登录或注册按钮时，它会转到链接，但表单没有出现。页面是空的。控制台中未显示任何错误。当我从登录中删除部分 {% 扩展"base_generic.html"%} 时.html ，然后我成功访问登录页面。我找不到我在哪里犯了错误。感谢您的帮助。对不起，我的英语不好。

#models.py
class MyUser(AbstractUser):
is_student = models.BooleanField('student status', default=False)
is_teacher = models.BooleanField('teacher status', default=False)

class Student(models.Model):
user = models.OneToOneField(settings.AUTH_USER_MODEL, on_delete=models.CASCADE, primary_key=True)
student_no = models.CharField(unique=True, max_length=9, help_text="student number")
student_name = models.CharField(max_length=50, help_text="student name")
student_surname = models.CharField(max_length=50, help_text="student surname")
class Meta:
permissions = (("can_upload_photo", "Upload Photo Permission"),)
def __str__(self):
return self.student_no

# views.py
class StudentSignUpView(CreateView):
model = MyUser
form_class = StudentSignUpForm
template_name = 'registration/signup_form.html'
def get_context_data(self, **kwargs):
kwargs['user_type'] = 'student'
return super().get_context_data(**kwargs)
def form_valid(self, form):
user = form.save()
login(self.request, user)
return redirect('index.html')

#forms.py
class StudentSignUpForm(UserCreationForm):
class Meta(UserCreationForm.Meta):
model = MyUser
@transaction.atomic
def save(self):
user = super().save(commit=False)
user.is_student = True
user.save()
return user
#urls.py
urlpatterns += [
path('accounts/', include('django.contrib.auth.urls')),
path('accounts/signup/', views.SignUpView.as_view(), name='signup'),
path('accounts/signup/student/', views.StudentSignUpView.as_view(), name='student_signup'),
path('accounts/signup/teacher/', views.TeacherSignUpView.as_view(), name='teacher_signup'),
]

#base_generic.html
<div class="col-6 text-right">
{% if user.is_authenticated %}
<p class="pt-3">Logged in as <strong>{{ user.username }}</strong>. <a href="{% url 'logout' %}">Log out</a>.</p>
{% else %}
<a href="{% url 'login' %}" class="btn btn-light" role="button">Log in</a>
<a href="{% url 'signup' %}" class="btn btn-primary" role="button">Sign up</a>
{% endif %}
</div>

#login.html
{% extends 'base_generic.html' %}
{% block content %}
<div class="row">
<div class="col-lg-4 col-md-6 col-sm-8 col-12">
<h2>Log in</h2>
<form method="post" novalidate>
{% csrf_token %}
<input type="hidden" name="next" value="{{ next }}">
{{ form.username }}
{{ form.password }}
<button type="submit" class="btn btn-primary">Log in</button>
</form>
</div>
</div>
{% endblock %}

#signup.html
{% extends 'base_generic.html' %}
{% block content %}
<h2>Sign up for a free account</h2>
<p class="lead">Select below the type of account you want to create</p>
<a href="{% url 'student_signup' %}" class="btn btn-student btn-lg" role="button">I'm a student</a>
<a href="{% url 'teacher_signup' %}" class="btn btn-teacher btn-lg" role="button">I'm a teacher</a>
{% endblock %}

Answer 1

您需要在base_generic.html文件中包含{% block content %}和{% endblock %}标签。

当您"扩展"基本模板时，这些标记指示应插入额外内容的位置。

请参阅模板继承