Django入门笔记2-项目入手

Django==2.2
django-concurrency==1.4
Pillow==6.2.1
pytz==2019.3
six==1.13.0
sqlparse==0.3.0
psycopg2==2.7.1

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pip freeze > requirements.txt

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from django.contrib import admin
from django.urls import include, path

urlpatterns = [
    path('polls/', include('polls.urls')),
    path('admin/', admin.site.urls),
]

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path('articles/<slug:title>/<int:section>/', views.section, name='article-section')

<slug:title>/<int:section> 用于限定url中参数类型

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DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.postgresql_psycopg2',
        'NAME': 'demo',
        'USER': 'demo',
        'PASSWORD': 'demo@12345',
        'HOST': '127.0.0.1',
        'PORT': '5432',
    }
}

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from django.db import models

class Question(models.Model):
    question_text = models.CharField(max_length=200)
    pub_date = models.DateTimeField('date published')

class Choice(models.Model):
    question = models.ForeignKey(Question, on_delete=models.CASCADE)
    choice_text = models.CharField(max_length=200)
    votes = models.IntegerField(default=0)

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python [manage.py](<http://manage.py/>) migrate

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python [manage.py](<http://manage.py/>) makemigrations

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python manage.py createsuperuser

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Username: admin
Email address: admin@example.co
Password: **********
Password (again): *********
Superuser created successfully.

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python manage.py runserver

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Django入门笔记2-项目入手

Django入门笔记2-项目入手

# Django入门笔记2-项目入手

# 安装项目环境

# 项目路由编写

# 连接数据库与创建数据模型

# 内置后台管理页面