基于session和cookie的登录验证（CBV模式）
urls.py
"""cookie_session URL Configuration The `urlpatterns` list routes URLs to views. For more information please see: https://docs.djangoproject.com/en/2.0/topics/http/urls/ Examples: Function views 1. Add an import: from my_app import views 2. Add a URL to urlpatterns: path(‘‘, views.home, name=‘home‘) Class-based views 1. Add an import: from other_app.views import Home 2. Add a URL to urlpatterns: path(‘‘, Home.as_view(), name=‘home‘) Including another URLconf 1. Import the include() function: from django.urls import include, path 2. Add a URL to urlpatterns: path(‘blog/‘, include(‘blog.urls‘)) """ from django.contrib import admin from django.urls import path from cookie import views urlpatterns = [ path(‘admin/‘, admin.site.urls), path(‘login_CBV/‘,views.Login_CBV.as_view()), path(‘index_CBV/‘,views.Index_CBV.as_view()), ]
views.py
from django.shortcuts import render, redirect from .models import User from django import views class Login_CBV(views.View): def get(self, request, *args, **kwargs): msg = ‘‘ return render(request, ‘login.html‘, {‘msg‘: msg}) def post(self, request, *args, **kwargs): print(44444) name = request.POST.get("user") pwd = request.POST.get("pwd") c = User.objects.filter(user=name, pwd=pwd).count() if c: print(123123) request.session[‘is_log‘] = 333 request.session[‘username‘] = name return redirect(‘/index_CBV/‘) else: msg = ‘用户名或密码有误‘ return render(request, ‘login.html‘, {‘msg‘: msg}) class Index_CBV(views.View): def get(self, request, *args, **kwargs): if request.session.get(‘is_log‘, None): user = request.session.get(‘username‘) return render(request, ‘index.html‘, {‘user‘: user}) else: return redirect(‘/login_CBV/‘)
index.html
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>index</title> </head> <body> 欢迎 {{ user }}！ </body> </html>
login.html
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>login</title> </head> <body> <form action="/login_CBV/" method="post"> {% csrf_token %} <div> <laber for="user">用户名</laber> <input id="user" type="text" name="user"/> </div> <div> <laber for="pwd">密码</laber> <input id="pwd" type="password" name="pwd"> </div> <div> <input type="submit" value="登录"> </div> </form> </body> </html>
