Django_Learning Part1-创建

1. 创建 Django project

• start project

django-admin startproject name

2. 创建 Django App

• start app

python3 manage.py startapp firstapp

• setting 添加 app

INSTALLED_APPS在末尾添加创建的app的名字

3. 数据库

• 合并

python3 manage.py makemigrations
python3 manage.py migrate

• 运行服务器

python3 manage.py runserver

4.html&css文件

• 在app下创建templates&static

• 重置模板路径

'DIRS': [os.path.join(BASE_DIR, 'template').replace('\\','/')]

• html增加模板标签

{% staticfiles %}
herf = "{% static 'css/name.css' %}"
{% static 'images/name.png' %}

5.创建admin

python3 manage.py createsuperuser
http://127.0.0.1:8000/admin

• admin.py添加想要的数据项

from nameapp.modles import People
admin.site.register(People)

• models.py设置内容列表的标题

def __str__(self):
        return self.name

• models.py添加文章列表

class Article(models.Model):
    headline = models.CharField(null = True, blank = True, max_length=500)
    content = models.TextField(null = True, blank = True)

• admin.py添加文章数据项

from firstapp.models import People,Article

admin.site.register(Article)

python manage.py makemigrations
python manage.py migrate

6.Views.py

from firstapp.models import People, Article

def index(request):
    context = {}
    article_list = Article.objects.all()
    context['article_list'] = article_list
    index_page = render(request, 'first_web_2.html', context)
    return index_page

7. 向html文件中添加模板标签

{% for article in article_list %}
{{ article.headline }}
{{ article.content|truncatewords:20 }}
{% endfor %}

8. urls.py

from firstapp.views import index

urlpatterns = [
    url(r'^admin/', admin.site.urls),
    url(r'^index', index, name='isndex'),
]

python manage.py runserver
http://127.0.0.1:8000/index