How to log in and register with Python Django
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1.modles layer and admin
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#-*-coding: utf-8-*-
From _ _ future__ import unicode_literals
From django.db import models
From django.contrib.auth.models import AbstractUser
From django.utils.encoding import python_2_unicode_compatible
# data model of ordinary users
@ python_2_unicode_compatible
Class NewUser (AbstractUser):
Profile = models.CharField ('profile', default='', max_length=256)
Def _ str__ (self):
Return self.username
# Create your models here.
# # admin
#-*-coding: utf-8-*-
From django.contrib import admin from .models import NewUser class NewUserAdmin (admin.ModelAdmin): list_display = ('username','date_joined',' profile') admin.site.register (NewUser,NewUserAdmin)
2.setting sets the account of newuser management system for verification
AUTH_USER_MODEL = "pric.NewUser"
3 views view layer
#-*-coding: utf-8-*-
From django.shortcuts import render
From .forms import *
From .models import *
From django.contrib.auth import authenticate, login, logout
From django.http import HttpResponse
From django.shortcuts import render, redirect,render_to_response
From django.core.exceptions import ObjectDoesNotExist
From django.contrib.auth.decorators import login_required
@ login_required
Def index (request):
Return render_to_response ('index.html', locals ())
# Login
Def log_in (request):
If request.method = 'GET':
Form = LoginForm ()
Return render (request, 'login.html', {' form': form})
If request.method = = 'POST': # when submitting the form
Form = LoginForm (request.POST) # form contains submitted data
If form.is_valid (): # if the submitted data is legal
Username = form.cleaned_data ['uid']
Password = form.cleaned_data ['pwd']
User = authenticate (username=username, password=password)
If user is not None: # if user authentication exists
Login (request, user) # start logging in
Return redirect ('index') # Jump home page
Else:
Return render (request, 'login.html', {' form': form, 'msg': "password or username is not ture!"})
Else: # if the submitted data is illegal, continue to login
Return render (request, 'login.html', {' form': form})
# Logout
@ login_required
Def log_out (request):
Logout (request)
Return redirect ('login')
# Create your views here.
# Registration
Def register (request):
Error1 = "this name is already exist"
Valid = "this name is valid"
If request.method = 'GET':
Form = RegisterForm ()
Return render (request, 'register.html', {' form': form})
If request.method = = 'POST': # submit
Form = RegisterForm (request.POST)
If form.is_valid ():
Username = form.cleaned_data ['username']
Email = form.cleaned_data ['email']
Password1 = form.cleaned_data ['password1']
Password2 = form.cleaned_data ['password2']
If password1! = password2:
Return render (request, 'register.html', {' form': form, 'msg': "two password is not equal"})
Else:
NewUser.objects.create_user (username=username,password=password1,email=email)
# user = NewUser (username=username, email=email, password=password1)
# user.save ()
# return render (request, 'login.html', {' success': "you have successfully registered!"})
Return redirect ('login')
Else:
Return render (request, 'register.html', {' form': form})
4 Home page to get the currently logged-in user
Method 1:
The front-end request.user.is_authenticated () determines whether the current user is logged in
Welcome! >
{% if request.user.is_authenticated%}
Hihi: {{request.user}}
Log out
{% endif%}
Method 2 writes the request.user.is_authenticated judgment into the views view and then passes it into the html
@ login_required
Def index (request):
If request.user.is_authenticated (): # determine whether the user is logged in
User = request.user
Return render_to_response ('index.html', locals ())
Welcome! >
Welcome to login! {{user}}
Log out
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