{{ post.published_date }}
{{ post.title }}
{{ post.text|linebreaks }}
DjangoGirls Blog开发流程
1.安装Python,pip,virtualenv,Django
2.启动virtualenv
3.django-admin startproject mysite .
4.修改mysite/setting.
修改time_zone = 'Asia/Shanghai'
修改static_url = '/static'
数据库设置默认sqlite3
5.生成数据库:python manage.py migrate
6.启动Django:python manage.py runserver 0.0.0.0:8000
7.生成应用blog: python manage.py startapp blog
8.修改mysite/settings.py,INSTALLED_APPS添加blog.
INSTALLED_APPS = (
'django.contrib.admin',
'django.contrib.auth',
'django.contrib.contenttypes',
'django.contrib.sessions',
'django.contrib.messages',
'django.contrib.staticfiles',
'blog',
)
9.修改blog/models.py,添加blog的模型
from django.db import models
from django.utils import timezone
class Post(models.Model):
author = models.ForeignKey('auth.User')
title = models.CharField(max_length=200)
text = models.TextField()
created_date = models.DateTimeField(
default=timezone.now)
published_date = models.DateTimeField(
blank=True, null=True)
def publish(self):
self.published_date = timezone.now()
self.save()
def __str__(self):
return self.title
在数据库中为模型创建数据表:python manage.py makemigrations blog
迁移文件:python manage.py migrate blog
10.修改blog/admin.py
from django.contrib import admin
from .models import Post
admin.site.register(Post)
创建超级管理员
(myvenv) ~/djangogirls$ python manage.py createsuperuser
Username: admin
Email address: [email protected]
Password:
Password (again):
Superuser created successfully.
登录http://localhost:8000/admin/
在Posts一栏,点击Add,添加几篇文章
11.修改mysite/urls.py
from django.conf.urls import include, url
from django.contrib import admin
urlpatterns = [
url(r'^admin/', include(admin.site.urls)),
url(r'', include('blog.urls')),
]
12.添加blog/urls.py
from django.conf.urls import url
from . import views
urlpatterns = [
url(r'^$', views.post_list, name='post_list'),
]
13.创建blog/templates/blog目录.创建post_list.html文件
修改blog/views.py
from django.shortcuts import render
from django.utils import timezone
from .models import Post
def post_list(request):
posts = Post.objects.filter(published_date__lte=timezone.now()).order_by('published_date')
return render(request, 'blog/post_list.html', {'posts': posts})
14.创建base.html
{% load staticfiles %}
Django Girls blog
{% block content %}
{% endblock %}
创建post_list.html
{% extends 'blog/base.html' %}
{% block content %}
{% for post in posts %}
{% endfor %}
{% endblock content %}
15.创建文章详细页面
修改blog/urls.py
from django.conf.urls import include, url
from . import views
urlpatterns = [
url(r'^$', views.post_list, name='post_list'),
url(r'^post/(?P[0-9]+)/$', views.post_detail, name='post_detail'),
]
修改blog/view.py
def post_detail(request, pk):
post = get_object_or_404(Post, pk=pk)
return render(request, 'blog/post_detail.html', {'post': post})
添加blog/templates/blog/post_detail.html
{% extends 'blog/base.html' %}
{% block content %}
{% if post.published_date %}
{{ post.published_date }}
{% endif %}
{{ post.title }}
{{ post.text|linebreaks }}
{% endblock %}
16.添加新页面
创建blog/form.py
from django import forms
from .models import Post
class PostForm(forms.ModelForm):
class Meta:
model = Post
fields = ('title', 'text',)
修改blog/templates/blog/base.html
{% load staticfiles %}
Django Girls blog
{% block content %}
{% endblock %}
修改blog/urls.py
from django.conf.urls import include, url
from . import views
urlpatterns = [
url(r'^$', views.post_list, name='post_list'),
url(r'^post/(?P[0-9]+)/$', views.post_detail, name='post_detail'),
url(r'^post/new/$', views.post_new, name='post_new'),
]
修改blog/views.py,添加
from .forms import PostForm
from django.shortcuts import redirect
def post_new(request):
if request.method == "POST":
form = PostForm(request.POST)
if form.is_valid():
post = form.save(commit=False)
post.author = request.user
post.published_date = timezone.now()
post.save()
return redirect('blog.views.post_detail', pk=post.pk)
else:
form = PostForm()
return render(request, 'blog/post_edit.html', {'form': form})
添加blog/templates/post_edit.html
{% extends 'blog/base.html' %}
{% block content %}
New post
{% endblock %}
17.编辑博客内容
修改blog/templates/blog/post_detail.html
{% extends 'blog/base.html' %}
{% block content %}
{% endblock %}
在blog/urls.py中添加
url(r'^post/(?P[0-9]+)/edit/$', views.post_edit, name='post_edit'),
在blog/views.py中添加
def post_edit(request, pk):
post = get_object_or_404(Post, pk=pk)
if request.method == "POST":
form = PostForm(request.POST, instance=post)
if form.is_valid():
post = form.save(commit=False)
post.author = request.user
post.published_date = timezone.now()
post.save()
return redirect('blog.views.post_detail', pk=post.pk)
else:
form = PostForm(instance=post)
return render(request, 'blog/post_edit.html', {'form': form})
||>>END<<||