cookie-session

Posted 2020-10-10

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Django的cookie与session

通过示例来演示基于cookie的登录

from django.conf.urls import url
from django.contrib import admin
from app01 import views
urlpatterns = [
    url(r‘^admin/‘, admin.site.urls),
    url(r‘^index/‘, views.index),
    url(r‘^login/‘, views.login),
]

urls.py

from django.shortcuts import render, redirect


def login(request):
    if request.method == "POST":
        user = request.POST.get("user")
        pwd = request.POST.get(‘pwd‘)
        if user == "wang" and pwd == "666":
            red = redirect("/index/")  # 登陆成功，跳转到主页
            red.set_cookie("username", user)  # 将用户名插入到cookie
            return red
        else:
            return render(request, "login.html")
    else:
        return render(request, "login.html")


def index(request):
    user = request.COOKIES.get("username")
    if user:
        return render(request, "index.html", {"user": user})
    else:
        return redirect("/login/")

views.py

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="x-ua-compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <title>login</title>
</head>
<body>
<form action="/login/" method="post">
    {% csrf_token %}
    <input type="text" name="user" id="">
    <input type="password" name="pwd" id="">
    <input type="submit" id="确定">
</form>
</body>
</html>

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="x-ua-compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <title>index</title>
</head>
<body>
<h1>欢迎：{{ user }}</h1>
</body>
</html>

index.html

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