Django learning diary 1

Create database

The database configuration in the project is in  bysms/settings.py  in , here

# Database
# https://docs.djangoproject.com/en/2.0/ref/settings/#databases
DATABASES = {
'default': {
'ENGINE': 'django.db.backends.sqlite3',
'NAME': os.path.join(BASE_DIR, 'db.sqlite3'),
}
}

python manage.py migrate # Create table , Each with models.py and migrations Of app Will create a table 

Connect to database

I use the   navicat  Connect to database

Create and modify your own database tables

1. Create an application

2. stay models.py in utilize   orm Create a table and add fields , for example 、

from django.db import models
class Customer(models.Model):
# Customer name
name = models.CharField(max_length=200)
# contact number
phonenumber = models.CharField(max_length=200)
# Address
address = models.CharField(max_length=200)

3. stay setting.py Lieutenant general app register , Make the project aware of app And pay attention to the addition, deletion, modification and query of its tables .

INSTALLED_APPS = [
'django.contrib.admin',
'django.contrib.auth',
'django.contrib.contenttypes',
'django.contrib.sessions',
'django.contrib.messages',
'django.contrib.staticfiles',
# Join the following line
'common.apps.CommonConfig',
]

4. Execute the command after adding

python manage.py makemigrations common      # Generate the command to update the table

python manage.py migrate      #  Update table  

  Create super admin （ developer ）

be used for , You can modify the table

 1.  Create super admin

python manage.py createsuperuser

2. stay   127.0.0.1/admin You can operate the project's own table in

3. Add self created table Code can be found in admin Show

from django.contrib import admin
from .models import Customer
admin.site.register(Customer)