Django,COOKIES,SESSION完成使用者登入
阿新 • • 發佈：2018-12-26
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是瀏覽器在訪問伺服器埠時與連線請求一起傳送的內容。
目的是實現使用者的登入操作，通過判斷使用者有沒有對應的cookie或是session判斷使用者登入與否並從中獲取使用者的個人資訊。
cookies與session的區別是session的使用者資訊是存在伺服器端，瀏覽器提供自己的鍵，對應的是服務端的鍵值就是使用者的資訊。這樣保證使用者的資訊保安。