First, let’s introduce what attributes the django model has: Let’s look at an example first: The Meta of the Django model class is an internal class, which is used to define the behavior characteristics of some Django model classes. The following…
Method 1: Automatic creation Method 2: Purely manual creation Method 3: Semi-automatic creation
1. Preface DjangoProvides us with a built-in Usermodel, no need for us to define additional user models and establish a user system. Its full path is in django.contrib.auth.models.User. 2. User model source code analysis We can see that Userthis class itself does not do…
Django is a web development framework written in python. Its characteristics are: 1. Heavyweight framework, with many functional components encapsulated inside, making development easier and faster, 2.MVT mode: front-end and back-end separation, high cohesion and low coupling, m: model, the…
What is Django middleware Middleware is a framework-level hook for handling requests (Requests) and responses (Responses) in Django, a lightweight, low-level plugin system for changing Django’s input and output globally. When a user performs an action in a website, the…
Preface There are a lot of templating systems on the market today, and the best known and used are DTL and Jinja2. DTL is an abbreviation of the three words Django Template Language, which is the template language that comes…
1. HttpResponse After the Django server receives the request sent by the client, it will encapsulate the submitted data into an HttpRequest object and pass it to the view function. Then the view function also needs to return a response…
We all know the time zone, the standard time zone is UTC time zone, Django uses UTC time zone by default, so the time we store in the database is UTC time, but when we make a website only for…
The reverse function is used to reverse the URL, and then we introduce several uses of the reverse function. 1.Before, we used the URL to access the view function. Sometimes we know this view function, but want to reverse its…
