Django-based Model operation: django-based model operationI. Database Operations1. Create a model table
Basic Structure:
1 # coding: Utf82 from django. db import models3 4 class userinfo (models. model): 5 # If no models. autoField. By default, an id auto-incrementing column 6 name = models is created. charField (max_length = 30) 7 email = models. emailField () 8
Python Django uses forms to implement comments and django comments
It seems that Django has abandoned the use of its own comments since version 1.6. The specific reason is not found. However, the comment function can be implemented by using the internal modules of Django, that is, using the forms module, below is a sma
Record Django development experiences and django development experiences
Concept
Summary
Django is a Web framework of MVC.
Model: responsible for dealing with databases
View: obtains or enhances data obtained from Models.
Controller: This is Django.
Differences between projects and apps
Project: provides a variety of c
How to Use django to develop a simple personal Blog, django blogHow to Use django to develop a simple personal Blog
Function Overview: (functions have been implemented currently)
Public display:
1. The homepage displays published blog records, including the name, summary, release date, reading volume, and comment count.
2. The articles on the home page can be fil
Django builds an environment configuration in one of the forums, and django builds a forum
Environment:
Description: Ubuntu 15.04
Python version: Python 2.7.9
Django version: 1.8.4
Install django:
Pip install django# Test after installation >>> import
The path to the admin interface is usually set in My_project, using django-admin.py startproject my_projectIn the urls.py file in the directory, you can seeFrom Django.conf.urls import include, urlfrom django.contrib import adminurlpatterns = [ # Examples: # URL (r ' ^$ ', ' My_project.views.home ', name= ' home '), # URL (r ' ^blog/', include (' Blog.urls ')), URL (r ' ^admin/', include ( Admin.site.urls)), URL (r ' ^$ ', ' my_project.
Django 3 Return JSON methodsfrom django.http import JsonResponse, HttpResponsefrom django.shortcuts import renderfrom app01.models import Book# Create your views here.def get_book(request): all_book = Book.objects.all() d = [] for i in all_book: d.append({'name': i.name}) return JsonResponse(d, safe=False)def get_book2(request): from django.forms.models import model_to_dict all_book = Book.objects.all() d = [] for i in a
1 Django Background implementation set input tag properties, set input label default display value, set input input box type#form generates HTML tagsA. Create input input box through form, form label, and submit tag to write on the front end, but the input tag inside the form tag can be implemented in the background; just follow the steps below-views definition Studentform (Form) class-The Views view function passes the form instantiation object to th
An error occurred while deploying django in apache2. Deploying django in apache2
The following error occurs in apache logs:
/Var/www/my_project/myproject/wsgi. py cannot be loaded as Python module
ImportError: cocould not import settings 'my _ project. settings'
In short, wsgi reports an error.
You have repeatedly confirmed that your wsgi. py and apache have no problems with wsgi configuration.
I ch
Django blog project ideas, django blog ideas
First of all, it is clear that I am studying Django to create a blog, so if I want to practice it with the goal of blog, followConsider the following things in the order of Django's MTV model: (Models)1. Various data models in the blog:A. Blog ModelAttributes include title, release time, body part, abstract, label, an
Get all the URLs of the Django project and the Django project url
When adding permissions to a project, you may encounter a problem: setting permissions for all the URLs of the project, but it is too troublesome to enter permissions manually one by one. Therefore, you need to use code to obtain all the URLs of a project.
First, take into account the urlpartterns of the outermost layer of the project, becaus
Example of Django method to implement fast paging, and django paging instance
Preface
This article mainly introduces Django's quick paging content for your reference and learning. I will not talk much about it below. Let's take a look at the detailed introduction.
Paging
In web development, it is a common requirement to display a large number of products by page. djang
Django learning notes Class-Based-View, django
Preface
As we all know, it is very easy to learn Django and you can get started without any effort. Configure a url, assign it to a function, and return response. There is almost nothing difficult to understand.
After writing too much, I gradually realized some problems. For example, a view is complex and many other
This post was reproduced from: http://blog.csdn.net/wklken/article/details/7234157The first Django program:1. Install the python2.x, it is recommended to install 2.6 or 2.7 www.Python.orgConfigure environment variables, properties--environment variables--System variablesAdd Python_home C:\Python27Modify path Join%python_home%2. Installing the Django https://www.djangoproject.com/Currently 1.3.1, unzip the d
When the browser requests a URL address from the Web server, the patterns method in the urls.py file responds, and the response is matched by a URL method, which requires 4 parameters to be passed in the matching process, and the function of the 4 parameters is as follows:URL (path, view, other, name)path: A path string match using the Regex methodview: is defined by the function in the views under the appOther: can pass any parameter to the target viewName: You can pass the parameters here to a
Django many-to-many relationships, django many-to-Relationship
Django 1, 1.7
Use ManyToManyFiled to define multiple-to-multiple relationships.
In this example, the Article can be published on multiple publications, and the Publication can have multiple Article objects.
from django.db import modelsclass Publication(models.Model): title = models.CharField(max
Django-admin.py startproject mysite
This command creates a mysite directory in the current directory.
Django-admin.py file in c: \ python27 \ Lib \ Site-packages \ Django \ bin folder, you can add this directory to the system path.
Django has a built-in lightweight Web server.
If you enter the mysite directory, enter t
Django --- media static file configuration global variables, django --- media staticMedia static file configuration
Static files are mostly used to store data used to render front-end pages, and media is used to store client uploads or other files.
Add path to setting. py
MEDIA_ROOT = (OS. path. join (BASE_DIR, 'blog01/media') MEDIA_URL = '/media/' # Alias, which can be written at will
Add Route Allocation
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