session小记

from django.shortcuts import render, redirect

#通过用户登录演示session
def session1(request):
    uname = request.session.get(‘myname‘, ‘未登录‘)  # 没有这个值默认None
    # uname = None
    context = {‘uname‘: uname}
    return render(request, ‘booktest/session1.html‘, context)


def session2(request):
    return render(request, ‘booktest/session2.html‘)


def session2_handel(request):
    uname = request.POST[‘uname‘]
    request.session[‘myname‘] = uname
    return redirect(‘/booktest/session1/‘)


def logout(request):
    # 删除session
    del request.session[‘myname‘]
    return redirect(‘/booktest/session1/‘)

from booktest import views
from django.urls import path


urlpatterns = [
    path(‘session1/‘, views.session1),
    path(‘session2/‘, views.session2),
    path(‘session2_handel/‘, views.session2_handel),
    path(‘logout/‘, views.logout)

]

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
你好：{{ uname }}<br>
<hr>
<a href="/booktest/session2/">登录</a>
<hr>
<a href="/booktest/logout/">退出</a>
</body>
</html>

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<form action="/booktest/session2_handel/" method="post">
    <input type="text" name="uname">
    <input type="submit" name="登录">
</form>
</body>
</html>