A brief introduction to the Django Framework

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MVC framework and MTV framework

MVC, whose full name is Model View Controller, is a software architecture pattern in software engineering. It divides the software system into three basic parts: Model, View and Controller. It has the advantages of low coupling, high reusability and low life cycle cost.

The difference of the Django framework is that it is divided into three parts: Model (model), Template (template) and View (view), that is, the MTV framework.

MTV mode of Django

Model (model): objects responsible for business objects and databases (ORM)

Template (template): responsible for showing the page to the user

View (View): responsible for the business logic and invoking Model and Template when appropriate

In addition, Django also has a urls dispenser, which distributes URL page requests to different view processing, and view calls the corresponding Model and Template

Django frame diagram

APP

A Django project can be divided into many APP to isolate the code of different functional modules.

Command line creation APPpython manage.py startapp app name using PyCharm creation

Enter: startapp app name in the command window that pops up below

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