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>