概述
{ "_id": { "$oid": "52221778633a610c58c131e6" },"text": "just","tags": [ "mongo","django" ],"comments": [],"title": "hello" }
我的urls.py看起来像:
from django.conf.urls.defaults import patterns,include,url from django.views.generic import ListView,DetailView from polls.models import Post urlpatterns = patterns('',url(r'^time/$','polls.views.current_datetime'),url(r'^events/$','polls.views.events'),)
我的views.py看起来像:
from django.http import HttpResponse import datetime def current_datetime(request): Now = datetime.datetime.Now() html = "<html><body>It is Now %s.</body></html>" % Now return HttpResponse(html) def events(request): html = "<html><body>title is:<h1></h1></body></html>" return HttpResponse(html)
那么,我们如何从数据库中获取文本,标题和注释,以便它可以在网页上显示?
from pymongo import Connection server="localhost" port = 27017 #Establish a connection with mongo instance. conn = Connection(server,port)
要从集合中获取单个文档,请使用find_one.
poll = conn.events.polls_post.find_one({},{"title" : 1}) #first parameter is the query,second one is the projection. print "Title : ",poll['title']
要从集合中获取所有文档,请使用find.
polls = conn.events.polls_post.find({},{"title" : 1})#first parameter is the query,second one is the projection. for poll in polls: print "Title : ",poll['title']
如果你想使用Django的非关系引擎,你可以写:
from models import Post posts = Post.objects.all() for post in posts: print post.title
这假设您已经在models.py中创建了一个模型类:这样的东西:
class Post(models.Model): created_on = models.DateTimeField(auto_Now_add=True,null=True) title = models.CharField() text = models.TextField() tags = ListField()
有关更实用的内容,请查看:pymongo和MognoDB.
使用Django的非关系引擎结帐:Django Non Relational Engine
谢谢!
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