cookies和session

views.py文件

from django.shortcuts import render
from django.http import HttpResponse, HttpResponseRedirect

# Create your views here.


def add_cookie1_views(request):
    # 创建响应对象
    resp = HttpResponse("请求成功,将数据保存进cookie")
    # 通过响应对象,添加cookie进客户端
    resp.set_cookie('uname', 'zhangsanfeng@163.com', 60 * 60 * 24 * 2)
    return resp


def get_cookie1_views(request):
    # print(request.COOKIES)
    # 获取 COOKIES 中,键为 uname 的值
    if 'uname' in request.COOKIES:
        return HttpResponse(request.COOKIES['uname'])
    return HttpResponse('获取cookies成功')


def add_session_views(request):
    # 向session中存储用户名称
    request.session['uname'] = 'John Lennon'
    # 设置为关闭浏览器,session则失效
    request.session.set_expiry(0)
    return HttpResponse("Add Session OK")


def get_session_views(request):
    # 获取 session 的键为 uname 的值
    if 'uname' in request.session:
        uname = request.session.get('uname')
        return HttpResponse('欢迎:' + uname)
    return HttpResponse('对不起,未取到数据')


def login_views(request):
    if request.method == 'GET':
        uname = request.session.get('uname', '')
        return render(request, 'login.html', locals())
    else:
        uname = request.POST.get('uname', '')
        upwd = request.POST.get('upwd', '')
        if uname and upwd:
            if uname == 'zhangsanfeng' and upwd == 'yinsusu':
                request.session['uname'] = uname
                return HttpResponseRedirect('/index/')
            else:
                return HttpResponse("用户名或密码错误")
        else:
            return HttpResponse("用户名或密码不能为空")


def index_views(request):
    if 'uname' in request.session:
        uname = request.session.get('uname')
        return HttpResponse('欢迎' + uname + '来到首页!!')
    else:
        return HttpResponse('欢迎!!!')


def log_out_views(request):
    del request.session['uname']
return HttpResponseRedirect('/index/')

urls.py文件

from django.conf.urls import url
from .views import *

urlpatterns = [
    url(r'^add_cookie1/$', add_cookie1_views),
    url(r'^get_cookie1/$', get_cookie1_views),
    url(r'^add_session/$', add_session_views),
    url(r'^get_session/$', get_session_views),
]

urlpatterns += [
    url(r'^login/$', login_views),
    url(r'^index/$', index_views),
    url(r'^log_out/$', log_out_views),
]

settings.py文件配置session

"""
Django settings for day9 project.

Generated by 'django-admin startproject' using Django 1.11.8.

For more information on this file, see
https://docs.djangoproject.com/en/1.11/topics/settings/

For the full list of settings and their values, see
https://docs.djangoproject.com/en/1.11/ref/settings/
"""

import os

# Build paths inside the project like this: os.path.join(BASE_DIR, ...)
BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))


# Quick-start development settings - unsuitable for production
# See https://docs.djangoproject.com/en/1.11/howto/deployment/checklist/

# SECURITY WARNING: keep the secret key used in production secret!
SECRET_KEY = '@vg9$4miyy0@7o8l4p&i@e5$l+ct2^**a9t!@6x4rfvi9&1pgu'

# SECURITY WARNING: don't run with debug turned on in production!
DEBUG = True

ALLOWED_HOSTS = []


# Application definition

INSTALLED_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'index',
]

MIDDLEWARE = [
    'django.middleware.security.SecurityMiddleware',
    'django.contrib.sessions.middleware.SessionMiddleware',
    'django.middleware.common.CommonMiddleware',
    'django.middleware.csrf.CsrfViewMiddleware',
    'django.contrib.auth.middleware.AuthenticationMiddleware',
    'django.contrib.messages.middleware.MessageMiddleware',
    'django.middleware.clickjacking.XFrameOptionsMiddleware',
]

ROOT_URLCONF = 'day9.urls'

TEMPLATES = [
    {
        'BACKEND': 'django.template.backends.django.DjangoTemplates',
        'DIRS': [],
        'APP_DIRS': True,
        'OPTIONS': {
            'context_processors': [
                'django.template.context_processors.debug',
                'django.template.context_processors.request',
                'django.contrib.auth.context_processors.auth',
                'django.contrib.messages.context_processors.messages',
            ],
        },
    },
]

WSGI_APPLICATION = 'day9.wsgi.application'


# Database
# https://docs.djangoproject.com/en/1.11/ref/settings/#databases

DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.sqlite3',
        'NAME': os.path.join(BASE_DIR, 'db.sqlite3'),
    }
}


# Password validation
# https://docs.djangoproject.com/en/1.11/ref/settings/#auth-password-validators

AUTH_PASSWORD_VALIDATORS = [
    {
        'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
    },
    {
        'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
    },
    {
        'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
    },
    {
        'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
    },
]


# Internationalization
# https://docs.djangoproject.com/en/1.11/topics/i18n/

LANGUAGE_CODE = 'en-us'

TIME_ZONE = 'UTC'

USE_I18N = True

USE_L10N = True

USE_TZ = True


# Static files (CSS, JavaScript, Images)
# https://docs.djangoproject.com/en/1.11/howto/static-files/

STATIC_URL = '/static/'


# 与session相关的设置
SESSION_COOKIE_AGE = 60 * 10
SESSION_EXPIRE_AT_BROWSER_CLOSE = True