关于Django auth注册登陆模块的具体使用

 1 from django.urls import path  2 from . import views  3   
 4 urlpatterns = [  5   #主页，用来显示类别等其余数据
 6   path('',views.index),  7   # 登陆
 8   path('tologin/',views.tologin),  9   # 注册
10   path('register/',views.register), 11   # 注销
12   path('lagout/',views.lagout), 13 ]

urls.py

 1 from django.shortcuts import render, redirect  2 from django.http import HttpResponseRedirect  3 from django.contrib.auth.models import User  4 from django.contrib.auth import authenticate,login,logout  5 from django.contrib.auth.models import AnonymousUser  6   
 7 # Create your views here.
 8 # 主页
 9 def index(request,): 10   username = request.user 11   return render(request,'Myapp/index.html',locals()) 12   
13 # 登陆
14 def tologin(request): 15   if request.method == 'POST' and request.POST: 16     data = request.POST 17     username = data.get('username') 18     password = data.get('password') 19     n = authenticate(username=username,password=password) 20     if n: 21       # 登录成功便可获取当前登陆用户，返回主页
22       login(request,user=n) 23       return redirect('/') 24   # 失败重定向到登陆页
25   return render(request, 'myApp/login.html') 26   
27 # 注册
28 def register(request): 29   if request.method == 'POST' and request.POST: 30     data = request.POST 31     username = data.get("username") 32     password = data.get("password") 33     # 校验注册，名字不可重复
34     u = User.objects.filter(username=username).first() 35     if u: 36       info = '该用户名已被注册'
37       return render(request,'Myapp/ERROR.html',{'info':info}) 38     else: 39       # 注册成功，建立用户
40  User.objects.create_user( 41         username=username, 42         password=password 43  ) 44       # 重定向到登陆页面
45       return HttpResponseRedirect('/tologin/') 46   # 注册失败，从新注册
47   return render(request,'Myapp/register.html') 48   
49 def lagout(request): 50  logout(request) 51   return redirect('/')

views.py