Django17: built in user system

1、 Definition

        Django With a user authentication system . It handles user accounts 、 Group 、 Permission and based on cookie User session for . Users can directly use Django Self contained user table .

2、 Basic fields

         Model class location from django.contrib.contrib.auth.models import User

• username： user name
• password： password
• email： mailbox
• first_name： name
• last_name： surname
• is_superuser： Whether it is an administrator account （/admin）
• is_staff： Can I visit admin Management interface
• is_active： Is it an active user , Default True. Generally, users are not deleted , Instead, the user's is_active Set to False
• last_login： Last login time
• date_joined： User creation time

3、 Create user

（1） Create Putian user create_user

from django.contrib.auth.models import user
user = User.objcets.create_user(username=’ user name ’, password=’ password ’, email=’ mailbox ’, …)

（2） Create a superuser create_superuser

from django.contrib.auth.models import user
user = User.objcets.create_superuser(username=’ user name ’, password=’ password ’, email=’ mailbox ’, …)

After creation, you can auth_user See in the table ：

4、 Delete user

example ：

from django.contrib.auth.models import User
try:
user = User.objcects.get(username=’ user name ’)
user.is_active = False # The current user is invalid
user.save()
print(“ Delete failed ”)
except:
print(“ Delete failed ”)

5、 password

（1） Check the password

#  If the user name and password verification is successful, it returns for user object , Otherwise return to None
from django.contrib.auth import authenticate
user = authenticate(username=username, password=password)

（2） Change Password

from django.contrib.auth.models import User
try:
user = User.objects.get(username=’aaa’)
user.set_password(‘123’)
user.save()
return HttpResponse(‘ Password changed successfully ’)
except:
return HttpResponse(‘ Password change failed ’)

6、 Sign in

（1） Login status remains

from django.contrib.auth.models import login
def login_view(request):
user = authenticate(username=username, password=password)
login(request, user)

（2） Login status verification

from django.contrib.auth.decorators import login_required
@login_required
def index_view(request):
# This view can only be accessed when the user is logged in
# The currently logged in user can use rquest.user obtain
login_user = request.user
…

（3） Login status cancelled

from django.contrib.auth.models import logout
def login_view(request):
logout(request)

7、 Built in user table —— Extension field

Method 1 ： By creating a new table , Follow the built-in table 1 Yes 1

Method 2 ： Inherit the built-in abstraction user Model class

step ：

•          Add new apps
•          Define model classes , Inherit AbstractUser
•         settings.ps Named in the AUTH _USER_MODEL = ‘ Application name ; Class name ’’

Be careful ： This operation should be done for the first time migrate Go ahead