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This article introduces the relevant knowledge of "Django entry project operation example". In the operation process of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

Pip install django

Python-m pip install-- upgrade pip

Default address:

C:\ users\ jack hu\ appdata\ local\ programs\ python\ python37

Create a project

Command: d:\ studt2\ python\ abc > django-admin

Create a project named "first"

D:\ studt2\ python\ abc > django-admin startproject first

Just open the project using PyCharm 2019.2

Introduction of project catalogue

Manage.py

Entry to the command line toolset that interacts with the project, project manager, execution

Python manage.py View all commands

Runserver: start the server (d comes with it)

D:\ studt2\ python\ abc\ first > python manage.py runserver

Http://localhost:8000

Change port to 9999

D:\ studt2\ python\ abc\ first > python manage.py runserver 9999

First directory

A container for a project that contains some of the most basic configurations of the project. The directory name is not recommended.

Wsgi.py

Python server network management interface, interface between application and web server

Basically won't change him.

Settings.py

The general configuration file of the project, which contains various configurations such as database, web application, time, etc.

Urls.py

Url profile

All the addresses (pages) of the django project need us to configure his url ourselves.

Create an application

Python manage.py startapp blog

Note: you cannot create an application with a keyword name

Introduction to application catalogue

Migrations

Data migration (migration) module

Admin.py

The background management system configuration of the application

Apps.py

Some configurations of the application, which will be generated later by Django-1.9

Models.py

Data module, using ORM framework, similar to Models (model) in MVC structure

Tests.py

Automated test module, Django provides automated testing function, where you write test scripts (statements)

Views.py

The module where the code that executes the response is located, and the main place where the code logic is processed

Most of the code in the project is written here.

CODING

Create the first page (response)

1. Edit the views.py file

As shown in the figure:

2. Edit the urls.py file

3. Start. Default port 8000

Command: python manage.py runserver

Browser input:

Http://localhost:8000/index/

Unified Management url

Http://127.0.0.1:8000/bolg/

If you don't add it, you will.

Preliminary use of dtl

Models

Create

D:\ studt2\ python\ myblob > python manage.py makemigrations

Transfer

D:\ studt2\ python\ myblob > python manage.py migrate

D:\ studt2\ python\ myblob > python manage.py sqlmigrate blog 0001

From booktest.models import BookInfo,HeroInfo from django.utils import timezone from datetime import *

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