关于Django auth注册登录模块的具体使用

from django.urls import path
from . import views
  
urlpatterns = [
  #主页，用来显示类别等其他数据
  path('',views.index),
  # 登录
  path('tologin/',views.tologin),
  # 注册
  path('register/',views.register),
  # 注销
  path('lagout/',views.lagout),
]

from django.shortcuts import render, redirect
from django.http import HttpResponseRedirect
from django.contrib.auth.models import User
from django.contrib.auth import authenticate,login,logout
from django.contrib.auth.models import AnonymousUser
  
# Create your views here.
# 主页
def index(request,):
  username = request.user
  return render(request,'Myapp/index.html',locals())
  
# 登录
def tologin(request):
  if request.method == 'POST' and request.POST:
    data = request.POST
    username = data.get('username')
    password = data.get('password')
    n = authenticate(username=username,password=password)
    if n:
      # 登陆成功即可获取当前登录用户，返回主页
      login(request,user=n)
      return redirect('/')
  # 失败重定向到登录页
  return render(request, 'myApp/login.html')
  
# 注册
def register(request):
  if request.method == 'POST' and request.POST:
    data = request.POST
    username = data.get("username")
    password = data.get("password")
    # 校验注册，名字不可重复
    u = User.objects.filter(username=username).first()
    if u:
      info = '该用户名已被注册'
      return render(request,'Myapp/ERROR.html',{'info':info})
    else:
      # 注册成功，创建用户
      User.objects.create_user(
        username=username,
        password=password
      )
      # 重定向到登录页面
      return HttpResponseRedirect('/tologin/')
  # 注册失败，重新注册
  return render(request,'Myapp/register.html')
  
def lagout(request):
  logout(request)
  return redirect('/')