从django.db导入模型
从django.urls导入反向
#在这里创建模型。
班级学校(模特、模特):
名称=models.charfield(最大长度=256)
from django.db import models
from django.urls import reverse
# Create your models here.
class School(models.Model):
name = models.CharField(max_length=256)
principal = models.CharField(max_length=256)
location = models.CharField(max_length=256)
def __str__(self): return self.name
def get_absolute_url(self):
return reverse('basic:detail', kwargs={'pk': self.pk})
class Student(models.Model):
name = models.CharField(max_length=256)
age = models.PositiveIntegerField()
school = models.ForeignKey(School, on_delete=models.CASCADE, related_name='students')
def __str__(self): return self.name
def get_absolute_url(self):
return reverse('basic:detail', kwargs={'pk': self.school.pk})
urlpatterns = [
path('', views.Index.as_view(), name='index'),
path('list/', views.SchoolListView.as_view(), name='list'),
path('<int:pk>/', views.SchoolDetailView.as_view(), name='detail'),
path('create/', views.SchoolCreateView.as_view(), name='create'),
path('update/<int:pk>/', views.SchoolUpdateView.as_view(), name='update'),
path('delete/<int:pk>/', views.SchoolDeleteView.as_view(), name='delete'),
path('student/create/', views.StudentCreateView.as_view(), name='creates'),
path('student/create/<int:pk>', views.StudentCreateView.as_view(), name='createspk'),
path('student/update/<int:pk>/', views.StudentUpdateView.as_view(), name='updates'),
path('student/delete/<int:pk>/', views.StudentDeleteView.as_view(), name='deletes'),
]
class StudentCreateView(CreateView):
try:
print("*******")
print(pk)
except:
pass
model = Student
fields = ["name", "age", 'school']
{% extends "basic/base.html" %}
{% block content %}
<h1>
{% if not form.instance.pk %}
Create Student:
{% else %}
Update Student:
{% endif %}
</h1>
<form method="post">
{% csrf_token %}
{{ form.as_p }}
<input type="submit" value="Submit" class="btn btn-primary">
</form>
{% endblock content %}
