我正在学习django框架,正在写博客。我在 django-admin 中添加了一些帖子,我想在网络上显示它们。
模型.PY
from django.db import models
from django.utils import timezone
from django.core.urlresolvers import reverse
class PublishedManager(models.Manager):
def get_queryset(self):
return super(PublishedManager,
self).get_queryset()\
.filter(status='published')
class Post(models.Model):
STATUS_CHOICES = (
('draft', 'Roboczy'),
('publish', 'Opublikowany')
)
title = models.CharField(max_length=300)
slug = models.SlugField(max_length=300, unique_for_date='publish')
body = models.TextField()
publish = models.DateTimeField(default=timezone.now)
created = models.DateTimeField(auto_now_add=True)
updated = models.DateTimeField(auto_now=True)
status = models.CharField(max_length=20,
choices=STATUS_CHOICES,
default='draft')
object = models.Manager()
published = PublishedManager()
class Meta:
ordering = ('-publish',)
def __str__(self):
return self.title
def get_absolute_url(self):
return reverse('blog:post_detail',
args=[self.publish.year,
self.publish.strftime('%m'),
self.publish.strftime('%d'),
self.slug])
VIEWS.PY
from django.shortcuts import render, get_object_or_404
from .models import Post
def post_list(request):
posts = Post.published.all()
return render(request,
'blog/post/list.html',
{'posts': posts})
def post_detail(request, year, month, day, post):
post = get_object_or_404(Post, slug=post,
status ='published',
publish_year=year,
publish_month=month,
publish_day=day)
return render(request,
'blog/post/detail.html',
{'post': post})
博客应用程序中的URLS.PY
from django.conf.urls import url
from . import views
urlpatterns = [
url(r'^$', views.post_list, name='post_list'),
url(r'^(?P<year>\d{4})/(?P<month>\d{2})/(?P<day>\d{2})/$'
r'(?P<post>[-\w]+)/$',
views.post_detail,
name='post_detail'),
]
URLS.PY(项目级别)
from django.conf.urls import include, url
from django.contrib import admin
urlpatterns = [
url(r'^admin/', include(admin.site.urls)),
url(r'^blog/', include('blog.urls',
namespace='blog',
app_name='blog')),
]
list.html
{% extends "blog/base.html" %}
{% block title %}My Blog {% endblock %}
{% block content %}
<h1>Mój BLOG</h1>
{% for post in posts %}
<h2>
<a href="{{ post.get_absolute_url }}">
{{ post.title }}
</a>
</h2>
<p>
Opublikowane {{ post.publish }} przez {{ post.author }}
</p>
{{ post.body|truncatewords:30|linebreaks}}
{% endfor %}
{% endblock %}
我不知道为什么这些帖子没有显示在 list.html 上。我认为错误出在 get_absolute_url 中。
最佳答案
而不是
posts = Post.published.all()
尝试
posts = Post.objects.all()
关于python - Django 1.10 不显示来自数据库的帖子,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/41246907/