Django,COOKIES,SESSION完成用户登入
Posted ck85
tags:
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1.urls.py
"""Django_cookie_session URL Configuration
The `urlpatterns` list routes URLs to views. For more information please see:
https://docs.djangoproject.com/en/2.1/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 app01 import views
urlpatterns = [
path(‘admin/‘, admin.site.urls),
path(‘login/‘, views.login),
path(‘index/‘, views.index),
]
2.views.py
from django.shortcuts import render, redirect
# Create your views here.
def login(request):
print(‘COOKIES:-->‘, request.COOKIES)
print(‘SESSION:-->‘, request.session)
if request.method == ‘POST‘:
print(‘POST!!!‘)
name = request.POST.get(‘user‘)
pwd = request.POST.get(‘pwd‘)
print(name)
print(pwd)
if name == ‘ck‘ and pwd == ‘123‘:
# ret = redirect(‘/index/‘)
# ret.set_cookie(‘user‘, name)
# return ret
request.session[‘is_login‘] = True
request.session[‘user‘] = name
return redirect(‘/index/‘)
return render(request, ‘login.html‘)
def index(request):
# if request.COOKIES.get(‘username‘, None):
# name = request.COOKIES.get(‘username‘, None)
# return render(request, ‘index.html‘, locals())
if request.session[‘is_login‘] == True:
name = request.session.get(‘user‘, None)
return render(request, ‘index.html‘, locals())
else:
return redirect(‘/login/‘)
3.index.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<h1>{{ name }}</h1>
</body>
</html>
4.login.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<h1>{{ name }}</h1>
</body>
</html>
cookies和session是浏览器在访问服务器端口时与连接请求一起发送的内容。
目的是实现用户的登入操作，通过判断用户有没有对应的cookie或是session判断用户登入与否并从中获取用户的个人信息。
cookies与session的区别是session的用户信息是存在服务器端，浏览器提供自己的键，对应的是服务端的键值就是用户的信息。这样保证用户的信息安全。
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