def cookie(request):
# 设置cookie
rep = HttpResponse("aaa")
rep = render(request, 'index.html')
rep.set_cookie(key, value)
rep.set_signed_cookie(key, value, salt='加密的字符') # 带签名的cookie,加密，加密字符或名字随意指定有意义即可
# 解密cookie
request.get_signed_cookie('key',salt='加密字符串')
# 设置cookie N秒后时效 秒为单位
rep.set_cookie('username11', 'value', max_age=10)
# 设置cookie 截止时间生效
import datetime
current_date = datetime.datetime.utcnow()
current_date = current_date + datetime.timedelta(second=5)
rep.set_cookie('username111', 'value', expires=current_date)
# 做一个checkbox,选中值，true，把选中值换算成时间，传入设置cookie，就可以实现多久时间免登陆
# 参数：
# key, 键
# value='', 值
# max_age=None, 超时时间
# expires=None, 超时时间(IE requires expires, so set it if hasn't been already.)
# path='/', Cookie生效的路径，/ 表示根路径，特殊的：跟路径的cookie可以被任何url的页面访问
# domain=None, Cookie生效的域名
# secure=False, https传输
# httponly=False 只能http协议传输，无法被JavaScript获取（不是绝对，底层抓包可以获取到也可以被覆盖
# document.cookie 获取不到cookie
#
def login(request):
"""
:param request:
request.POST.get('username')
request.POST.get('password')
:return:
HttpResponse(json.dumps(result))
"""
result = {
'status': '', # 'success' or 'failure'
'error_msg': '', # notes of failure
}
# handle wrong method
if not is_post(request, result):
return HttpResponse(json.dumps(result))
username = request.POST.get('username')
password = request.POST.get('password')
mgr = models.ManagerInfo.objects.filter(
username=username,
password=password,
)
if mgr.count() == 1:
result['status'] = 'success'
response = HttpResponse(json.dumps(result))
response.set_signed_cookie(key='username', value=username, salt=SALT)
return response
else:
result['status'] = 'failure'
result[
'error_msg'] = 'this user does not exist, or the password is wrong'
return HttpResponse(json.dumps(result))
def cookie(request):
#
# request.COOKIES
# request.COOKIES['username111']
request.COOKIES.get('username111')
response = render(request,'index.html')
response = redirect('/index/')
# 设置cookie，关闭浏览器失效
response.set_cookie('key',"value")
# 设置cookie, N秒只有失效
response.set_cookie('username111',"value",max_age=10)
# 设置cookie, 截止时间失效
import datetime
current_date = datetime.datetime.utcnow()
current_date = current_date + datetime.timedelta(seconds=5)
response.set_cookie('username111',"value",expires=current_date)
response.set_cookie('username111',"value",max_age=10)
# request.COOKIES.get('...')
# response.set_cookie(...)
obj = HttpResponse('s')
obj.set_signed_cookie('username',"kangbazi",salt="asdfasdf")
request.get_signed_cookie('username',salt="asdfasdf")
return response
def cookie(request):
request.COOKIES
request.COOKIES['username111']
request.COOKIES.get('username111')
response = render(request, 'index.html')
response = redirect('/index/')
# 设置cookie，关闭浏览器失效
response.set_cookie("key", 'value')
# 设置cookie，N秒之后失效
response.set_cookie("key", 'value', max_age=10)
# 设置cookie，截止时间失效
import datetime
current_time = datetime.datetime.utcnow()
current_time = current_time + datetime.timedelta(seconds=10)
response.set_cookie('key', 'value', expires=current_time)
# 带签名的cookie
obj = HttpResponse('ok')
obj.set_signed_cookie('username', 'kangbazi', salt='asdfasdf') # 加密
request.get_signed_cookie('username', salt="asdfasdf") # 解密
return response
def vote(request):
if request.method == "POST":
post_data = request.POST.get('vote_data', None)
print(post_data)
if post_data:
# 判断是否是浏览器发送过来的，而不是其他什么程序，这里我们假定只判定苹果电脑
if "Safari" in request.META["HTTP_USER_AGENT"]:
print("safari")
else:
# 如果不是浏览器打开的，就回复这句话
return HttpResponse("请适用正确的方式提交")
# 判断是否有cookie,有cookie
if request.COOKIES.get('k'):
# 有cookie,就不能投票
print("has_cookie")
return HttpResponse("已经提交过,请勿重复提交")
else:
# 没有cookie,种下cookie,并且完成投票
print("no_cookie")
rep = HttpResponse('OK')
rep.set_signed_cookie('k',
'123',
salt='123',
max_age=86400,
path='/vote/')
print("set_cookie")
# 将投票的内容添加入数据库
vote_number = models.Options.objects.filter(
name=post_data).values("vote")
vote_number = list(vote_number)[0]["vote"]
print("vote_number", vote_number)
models.Options.objects.filter(name=post_data).update(
vote=vote_number + 1)
# 返回正确信息
return rep
else:
# 返回错误信息
return HttpResponse("网络可能有点儿问题")
ret = models.Options.objects.all().values("name", "vote")
ret = list(ret)
return render(request, 'vote.html', {"ret": ret})
