Django中的cookie和session

def set_COOKIE(request):
  """设置COOKIE信息"""
  respOnse= HttpResponse("设置COOKIE")
  # 设置一个COOKIE信息，名字为num，值为1
  response.set_COOKIE('num', 1)  
  # 返回response
  return response

def get_COOKIE(request):
  """获取COOKIE信息"""
  # 取出COOKIE num的值
  num = request.COOKIES['num']
  return HttpResponse(num)

def set_COOKIE(request):
  """摄制COOKIE信息"""
  respOnse= HttpResponse("设置COOKIE")
  # 设置一个COOKIE信息，名字为num，值为1，并且设置 COOKIE的过期时间为2周，两种方式
  response.set_COOKIE('num', 1, max_age=14*24*3600)
  # response.set_COOKIE('num', 1, expires=datetime.now()+timedelta(days=14))
  return response

def set_COOKIE(request):
  """摄制COOKIE信息"""
  respOnse= HttpResponse("设置COOKIE")
   # 设置多个COOKIE
  response.set_COOKIE('num', 1)
  response.set_COOKIE('num2', 2)
  return response

  
  
  



  用户:
    
  
  

  密码:
    
  
  

  记住用户名
  

  

def login_check(request):
  # 1.获取用户名和密码
  username = request.POST.get("username")
  password = request.POST.get("password")
  remember = request.POST.get("remember")
  print(username, password)
  # 2.进行校验
  # 3.返回应答
  if username == "yifchan" and password == "yifchan":
    respOnse= redirect("/index")
    # 判断是否需要记住用户名
    if remember == 'on':
      # 设置COOKIE username-过期时间为1周
      response.set_COOKIE('username', username, max_age=7*24*3600)
    return response
  else:
    return HttpResponse("账号或密码错误")

def login(request):
  """登录处理函数"""
  # 获取COOKIE username
  if 'username' in request.COOKIES:
    username = request.COOKIES['username']
  else:
    username = ''
  return render(request, "booktest/login.html", {'usernam': username})

url(r'^login/$', views.login), 
url(r'^login_check/$', views.login_check),

# 设置session
def set_session(request):
  """设置session"""
  request.session['username'] = 'yifchan'
  request.session['age'] = 18
  request.session.set_expiry(10) # 设置session的有效时间为10s
  return HttpResponse('设置session成功')


# 获取session
def get_session(request):
  """获取session"""
  username = request.session['username']
  age = request.session['age']
  info = username + ":" + age
  return HttpResponse(info)


# 清除session
def clear_session(request):
  """清除session信息"""
  # request.session.clear() # 只会清除有用信息部分，但这整条信息不回被清除
  request.session.flush() # 清除整条session信息
  return HttpResponse("清除session成功")