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Celery introduction Cellery is a simple, flexible and reliable distributed system dealing with a large number of messages, and provides the necessary tools to maintain such a system. It is a task queue that focuses on real-time processing and supports task scheduling. What is task queue Task queue: a mechanism to distribute tasks between thread ...

Well, I've missed 10-11 before. No wonder I started to look confused when I saw 6.5 in the video   Continue class GoodsListViewset(mixins.ListModelMixin, viewsets.GenericViewSet): """ //Product list page """ serializer_class = GoodsSerializer pagination_class = GoodsPagination # Because GenericViewSet also ...

Catalog Flash Source code case middleware Custom local Middleware Custom global decorator Flash Flash() provides a very useful flash() function, which can be used to "flash" messages that need to be prompted to the user, such as "welcome back!" when ...

rbac is a role-based permission design, which consists of six tables. The specific table design is as follows: from django.db import models class Menu(models.Model): """ //Menu table """ title = models.CharField(verbose_name='Menu name',max_length=32,unique=True) icon = models.CharField(max_length=128, blank=True, ...

One backend code deployment 1 Django packaging 1 setup.py file creation The details are as follows #!/usr/bin/poython3.6 #conding:utf-8 from distutils.core import setup import glob setup(name='blog', version='1.0', description='demo blog', author='zhang', author_email='18829272841@163.com', url='https://www. ...

  I. create administrator Django provides admin background for unified management of users, permissions and permission groups, and super user initialization method. Initialize command line: python3 manage.py createsuperuser Follow the prompts to set the user name, mailbox, and password: User ...

First, the front end sends the token The location of token headers {'authorization': value of token ', content type': application / JSON} Write in ajax //Show only part of the headers code headers:{"authorization":this.$cookies.get("token")} //token value is usually put in cookies //The default is json format. You don't need to declare js forma ...

Basic analysis 1 Analysis For the blog system used by many people, the BS architecture is adopted here.Blog system needs user management and blog management User management: user registration, adding, deleting, modifying and querying users Blog management: add, delete, change and check blog The database is required. This time, Mysql5.7.17 is ...

ORM introduction An important part of MVC or MVC framework is ORM, which realizes the decoupling of data model and database, that is, the design of data model does not need to rely on specific database, and the database can be easily replaced through simple configuration, which greatly reduces the workload of developers and does not need to f ...

Catalog One: URLconf configuration (I): basic format (II): parameter description Two: regular expression usage analysis (I): basic configuration (II): precautions Three: group name matching (I): location of URLconf matching (2): the captured parameters are always strings (3): default value ...