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Another week later, it's time to sum up.... After creating a new project and application, I can't understand the function of each file. I created a new project and application folder structure as follows: C:\Users\Administrator\Documents\jiaoben\DJIANGO_TEST\second>django-admin startapp second_app C:\Users\Administrator\Documents\jiaoben\ ...

1, Creation of Django project 1. Project creation and operation Install Django module Open pycharm and install the Django module in the Terminal interactive interface Note: different versions may be slightly different in the use of the framework. Select the version as needed. pip install django==2.0 Import the module in the python co ...

1, Create a Django project - Library 2, Complete basic configuration 1. Configuration database information In the configuration file settings Configure database information in py (note that the password should be changed to your own database password) 2. Data migration (1) Create database ----- Lirbrary (2) Set up database connect ...

Catalog Preface 1. What is Django? 2. Steps for use 1. Create a Django project (1)mkdir Django (2) cd MyDjango\dir   (3) Folder display (4) Enter pyCharm interface (5) Run the project after configuring (6) Click http://127.0.0.1:8000/ Check to see if the project ran successfully 2. Create application models and file migration (1) ...

django add cross domain header 1, Introduction 1. What is cross domain When a browser requests the resources of another domain name from the web page of one domain name, the domain name, port and protocol are all cross domain 2. Browser homology policy The same origin policy limits how documents or scripts loaded from the same source i ...

Define model classes Model classes are defined in the "application / models.py" file.The Model class must inherit from the Model class, located in the package Django db. In models 1 . definition Create the application booktest in models Py file. from django.db import models #Define book model class BookInfo class BookInfo(models ...

Problem background After binding the model with admin view in Django background, you can easily add, delete, query and modify the underlying data table through the web page. In practice, some data fields will store json or other text contents containing line breaks and spaces. These text contents can normally display line breaks and spaces on t ...

Class view 1. Class view import The view defined by function is called function view, which is easy to understand. However, when the path corresponding to a view provides support for many different HTTP request modes, you need to write different business logic in a function, and the code readability and reusability are poor. def register(req ...

Save picture data Before saving the data, we need to obtain the id of the sku associated with the picture 1. Get sku table id Interface analysis Request method: GET / meiduo_admin/skus/simple/ # -------Get the id of sku-------- url(r'skus/simple/$', images.ImageView.as_view({'get': 'simple'})), Request parameters: pass jwt token dat ...

Django's object relational mapper (ORM) provides rich data query interfaces, so that you can add, delete, modify and query the data in the database through simple operation of the model without using native SQL statements. The result of query is called queryset, so this interface is called QuerySet API. Today, we will take the blog as an exampl ...