)
$ python manage.py shell
Because we weren't able to execute the Django code without first building a project, we created a Django demo project in the previous shell and then went into the Django Shell to test the ORM example we wrote.
# demo/models.py
>>> f
Python Web framework: Django Model basics, pythondjango
Model is a single, definite source of information about your data. It contains the basic fields and actions of the data you are storing. Django provides structured data processing and Operation Processing for your network applications through the abstract model layer (models). Database-related code is genera
class also corresponds with the field type of the database table, the name actually can also play the same, look more intuitive. So each class instance represents a single piece of data in the database.
Model example (defined in models.py):
From django.db import Models
class Poll (models. Model):
question = models. Charfield (max_length=200)
pub_date = models. Datetimefield (' date published ')
class Choice (models. Model):
poll = mo
the field type in the database table, and the name can also be the same, it looks more intuitive. In this way, each class instance represents a piece of data in the database.
Model example (defined in models. py ):
from django.db import modelsclass Poll(models.Model): question = models.CharField(max_length=200) pub_date = models.DateTimeField('date published')class Choice(models.Model): poll = models.ForeignKey(Poll)d choice_text = models
startproject demo$ cd demo$ python manage.py syncdbcreating tables ... Creating table django_admin_logcreating table auth_permissioncreating table auth_group_permissionscreating table Auth_ groupcreating table auth_user_groupscreating table auth_user_user_permissionscreating table auth_usercreating table django_content_typecreating table django_session You just installed Django's auth system, which means you don ' t has any s Uperusers defined. Would
Foreword: With the release of Django1.4 's second candidate, although Python3 is not yet supported, the Django team is already in the process of planning, and according to the official blog, Django1.5 will be experimenting with supporting python3.
Django, as an outstanding Python open source framework, may not get as much praise as other popular frameworks like
PYTHON framework-DJANGO Study Notes (4)Just like our first goal, it is very easy to create a webpage to output the famous example: Hello world. The first view Hello world. These are complete functions and import declarations. Input them to the views. py file: 1 from django. http import HttpResponse2 3 def hello (reques
Foreword: With the release of Django1.4 's second candidate, although Python3 is not yet supported, the Django team is already in the planning, according to the official blog, Django1.5 will be experimental support Python3.
Django, as an excellent open source framework for Python, may not be as much of a compliment as other popular frameworks such as rails, but
one property:
From django.db import Models
Class Character (models. Model):
Name = models. Charfield (max_length=200)
def __unicode__ (self):
Return Self.name
Class character defines the data model, which needs to inherit from models. Model. In MySQL, this class is actually a table. Table has only one column, which is name. As you can see, the Name property is a character type with a maximum length of 200. The class character has a __unicode__ () method that d
Python-Django-part 1, pythondjango-partPython manage. py syncdb has been replaced in django1.7; Use python manage. py migrate is used to move the library; Delete and uninstall django in cd/usr/local/lib/python2.7/dist-packages/delete and install the directory related to django
from:http://blog.csdn.net/u013088062/article/details/50158239
Create a new project1. ThemeThis section of the tutorial focuses on creating, managing, and running a Django project through Pycharm.Django is an open-source Web application framework written by Python. The MVC Software Design pattern is used, i.e. model M, view V and Controller C.2. Preparatory work(1) Pycharm is 3.0 or higher.(2) At least
This article mainly introduces how to configure Python + Django + Nginx + uWSGI + MySQL in Debian. Debian and Nginx servers are both high-performance options, if you need a new Debian system, you can refer to the latest attempt to migrate the project to the Python environment, I found some environment solutions for running Py
Django configuration file as the Python code to dynamically build the content of TEMPLATE_DIRS, such:
import os.pathTEMPLATE_DIRS = ( os.path.join(os.path.dirname(__file__), 'templates').replace('\\','/'),)
This example uses the magic Python Internal Variable _ file _, which is automatically set to the
Configuring this Python + Wsgi + Django is a twist. View***********************Installation Environment:Centos5.6Python2.7mod_wsgi:mod_wsgi-4.4.13apache:httpd2.2django:django-1.8.3***********************1. Install python:python2.7Originally the system has brought Python2.6, in order to my pursuit of the ultimate, loaded force perfectionism, I installed the Python3.4. and point the/usr/local/bin/
path, to invoke when executing django-admin.py ( Personal understanding )8. Create the project. The command is django-admin.py startproject ProjectName projectname is the project name (not executed on the Python command line). This article was built under the F-plateFor example:9. When the project is created successf
People do not see the ancient months, this month has been according to the ancients. Life is so beautiful and short!After two months of learning python, Python's syntax has a rudimentary understanding by doing simple grammar questions and looking at Python syntax. But to work or to do other things, so feel very slow to learn. There is a feeling of being in the way.Basic understanding of the grammar, the nex
Django by Example study notes, djangoexample
Purpose: I resigned in October 2017 and learned python web development for more than five months. Now, I have submitted my resume for my junior position and practiced projects. Django by example is a very good book. I plan to reco
This article mainly introduces the key points of deploying the Python Django project to the Apache server. This article focuses on the wsgi connection method. If you need it, you can refer to the time spent in the next few days, I will deploy the web project developed by django on Apache. It took a lot of time to refer to some official documents and documents on
user with Django and used some Django in the project. I call Django the "second generation" Python web framework. The first generation refers to Zope and twisted. Django was developed by two young people working at the Kansas news agency, it is not a very famous place.CHRIS
Practical Walkthrough: Developing a Django SiteDeveloping a Web site with Django follows a Django set of development processes. This section demonstrates the Django development process and related technologies by creating a message entry page.6.12.1 Building a ProjectBefore Django
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.