FBV装饰器：

def cook(request):    err_msg=""    if request.method == "GET":        return render(request,'cookie.html')    if request.method == "POST":        username = request.POST.get('username')        p = request.POST.get('password')        dic = user_info.get(username)        print(dic)        if not dic:            err_msg="用户不存在"            return render(request,'cookie.html',{
    'err_msg':err_msg})        if dic['pwd'] == int(p):            res = redirect('/xiaoqing/cookie1')            # res.set_cookie('username_cookie',username)   #设置cookie   关闭浏览器失效            # res.set_cookie('username_cookie',username,max_age=10)   设置cookie失效时间 10秒过期            import datetime            current_date=datetime.datetime.utcnow()            change_date=current_date+datetime.timedelta(seconds=5)            res.set_cookie('username_cookie',username,expires=change_date)   #到哪个时间失效            # res.set_signed_cookie('username_cookie',username,salt='sdasdas')            return res        else:            return render(request,'cookie.html')

def auth(func):  #装饰器 cookie认证    def inner(request,*args,**kwargs):        v = request.COOKIES.get('username_cookie')        print(v)        if not v:            return redirect('/xiaoqing/cookie')        return func(request,*args,**kwargs)    return inner@authdef cook1(request):    #获取当前已经登录的用户    v=request.COOKIES.get('username_cookie')   #获取cookie    # 或者 v=request.COOKIES['username_cookie']  #获取cookie    # v=request.get_signed_cookie('username_cookie',salt='sdasdas')   #获取加密cookie    return render(request,'cookie1.html',{
   'current_user':v,})

CBV装饰器

 

def auth(func): #装饰器    def inner(request,*args,**kwargs):        v = request.COOKIES.get('username_cookie')        print(v)        if not v:            return redirect('/xiaoqing/cookie')        return func(request,*args,**kwargs)    return innerfrom django import viewsfrom django.utils.decorators import method_decorator  #导入方法@method_decorator(auth,name='dispatch')  #类中全部方法做认证class Order(views.View):    # @method_decorator(auth)  #单独方法做认证    def get(self,request):        v=request.COOKIES.get('username_cookie')        return render(request,'cookie1.html',{
   'current_user':v,})    def post(self,request):        pass