Django
- 1. Django
qingfeng@douban.com
2010 8 29
- 5. 过 Django web
东
5
2010 8 29
- 6. 达 这 Django Web 发
业
6
2010 8 29
- 9. Django &历
• M-T-V
•
• DRY
• Unix 艺术
2010 8 29
- 10. Django
• startproject [project_name]
• startapp [app_name]
• write urls,views
2010 8 29
- 11. •
• 统
• 发
• 跃
• ....
2010 8 29
- 21. def test_user_profile(self):
people = self.client.GetPeople('/people/qingfeng')
self.assertEqual(people.uid.text,'qingfeng')
purl = 'http://t.douban.com/icon/u1001560-12.jpg'
self.assertEqual(people.link[2].href,purl)
2010 8 29
- 24. urlpatterns += patterns('django.views.generic',
('^about/$', 'simple.direct_to_template',{'template':'about.html'}),
url(r'^page/(?P<object_id>d+)/$', 'list_detail.object_detail', info, name='detail_page'),
url(r'^page/$', 'list_detail.object_list',
{"queryset":Page.objects.all(),"paginate_by":3}, name='list_page'),
url(r'^page/create/$', 'create_update.create_object', model, name='create_page'),
url(r'^page/update/(?P<object_id>d+)/$', 'create_update.update_object', model,
name='update_page'),
url(r'^page/delete/(?P<object_id>d+)/$', 'create_update.delete_object',
{"model":Page,"post_delete_redirect":"/page/"}, name='delete_page'),
)
2010 8 29
- 27. V
def index(request):
news = News.objects.order_by('-pub_date')[:3]
c = TCorner.objects.order_by('-pub_date')[:3]
return render_to_response("index.html",locals())
T
{% for i in news %}
<div class="left_box">
{% url detail_page i.id as detail_page %}
<h2><a href="{{detail_page}}">{{ i.new_title }}</a></h2>
<p>{{ i.new_content|linebreaks }}</p>
</div><hr color="olive">
{% endfor %}
2010 8 29
- 34. {% for o in some_list %}
<tr class="{% cycle 'row1' 'row2' %}">
...
</tr>
{% endfor %}
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- 45. 页
http://docs.djangoproject.com/en/1.1/topics/pagination/
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- 47. from django.core.paginator import Paginator, InvalidPage,
EmptyPage
def listing(request):
contact_list = Contacts.objects.all()
paginator = Paginator(contact_list, 25) # Show 25
contacts per page
# Make sure page request is an int. If not, deliver first
page.
try:
page = int(request.GET.get('page', '1'))
except ValueError:
page = 1
# If page request (9999) is out of range, deliver last
page of results.
try:
contacts = paginator.page(page)
except (EmptyPage, InvalidPage):
contacts = paginator.page(paginator.num_pages)
return render_to_response('list.html', {"contacts":
contacts})
2010 8 29
- 48. {% for contact in contacts.object_list %}
{# Each "contact" is a Contact model object. #}
{{ contact.full_name|upper }}<br />
...
{% endfor %}
<div class="pagination">
<span class="step-links">
{% if contacts.has_previous %}
<a href="?
page={{ contacts.previous_page_number }}">previous</a>
{% endif %}
<span class="current">
Page {{ contacts.number }} of
{{ contacts.paginator.num_pages }}.
</span>
{% if contacts.has_next %}
<a href="?
page={{ contacts.next_page_number }}">next</a>
{% endif %}
</span>
</div>
2010 8 29
- 54. CACHE_BACKEND='redis_cache.cache://127.0.0.1:6379'
CACHE_BACKEND='memcached://127.0.0.1:6379'
from django.core.cache import cache
.....
songs=cache.get('songs')
if not songs:
songs=super(SongManager, self).all(*args, **kwargs)
cache.set('songs', songs, 3600*24*365)
......
2010 8 29
- 65. django extensions
http://github.com/django-extensions/django-extensions
2010 8 29
- 71. Django
• .....
•
• Django 发 业 统
2010 8 29
- 72. Django
• http://bitbucket.org/qingfeng/django_genericview_wiki/
• 4
• http://www.djangobook.com/
• The Definitive Guide to Django [1798896]
• Pro Django [3086812]
2010 8 29
