# views.py
from django.http import HttpResponse

def index(request):
 return HttpResponse("Hello， World!")

# blog/urls.py
from django.urls import path

from . import views

urlpatterns = [
 path('blog/', views.index, name='index'),
 path('blog/article/<int:id>/', views.article_detail, name='article_detail'),
]


# blog/views.py
from django.shortcuts import render, get_object_or_404
from .models import Article


# 展示所有文章
def index(request):
 latest_articles = Article.objects.all().order_by('-pub_date')
 return render(request, 'blog/article_list.html', {"latest_articles": latest_articles})


# 展示所有文章
def article_detail(request, id):
 article = get_object_or_404(Article, pk=id)
 return render(request, 'blog/article_detail.html', {"article": article})

# blog/article_list.html
{% block content %}
{% for article in latest_articles %}
  {{ article.title }}
  {{ article.pub_date }}
{% endfor %}
{% endblock %}

# blog/article_detail.html
{% block content %}
{{ article.title }}
{{ article.pub_date }}
{{ article.body }}
{% endblock %}