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>

<!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>

巴特西

基于session和cookie的登录验证（CBV模式）

基于session和cookie的登录验证（CBV模式）

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